Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

44 files changed, 1705 insertions, 0 deletions

diff --git a/bin/tests/system/legacy.run.sh.in b/bin/tests/system/legacy.run.sh.in
new file mode 100644
index 0000000..b523637
--- /dev/null
+++ b/bin/tests/system/legacy.run.sh.in
@@ -0,0 +1,311 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Run a system test.
+#
+
+top_builddir=@top_builddir@
+builddir=@abs_builddir@
+srcdir=@abs_srcdir@
+
+# shellcheck source=conf.sh
+. ${builddir}/conf.sh
+
+if [ "$CI_SERVER" != "yes" ] && [ "$(id -u)" -eq "0" ] && [ "@DEVELOPER_MODE@" != "yes" ]; then
+    echofail "Refusing to run test as root. Build with --enable-developer to override." >&2
+    exit 1
+fi
+
+export builddir
+export srcdir
+
+date_with_args() (
+    date "+%Y-%m-%dT%T%z"
+)
+
+stopservers=true
+# baseport == 0 means random
+baseport=0
+
+if [ "${SYSTEMTEST_NO_CLEAN:-0}" -eq 1 ]; then
+    clean=false
+else
+    clean=true
+fi
+
+do_run=false
+restart=false
+log_flags="-r"
+while getopts "sknp:r-:t" OPT; do
+    log_flags="$log_flags -$OPT$OPTARG"
+    if [ "$OPT" = "-" ] && [ -n "$OPTARG" ]; then
+        OPT="${OPTARG%%=*}"
+        OPTARG="${OPTARG#$OPT}"
+        OPTARG="${OPTARG#=}"
+    fi
+
+    # shellcheck disable=SC2214
+    case "$OPT" in
+        k | keep) stopservers=false ;;
+        n | noclean) clean=false ;;
+        p | port) baseport=$OPTARG ;;
+        r | run) do_run=true ;;
+        s | skip) exit 77 ;;
+        t | restart) restart=true ;;
+        -) break ;;
+        *) echo "invalid option" >&2; exit 1 ;;
+    esac
+done
+
+shift $((OPTIND-1))
+
+if ! $do_run; then
+    if [ "$baseport" -eq 0 ]; then
+        log_flags="$log_flags -p 5300"
+    fi
+    env - \
+	CYGWIN="$CYGWIN" \
+        SYSTEMTEST_FORCE_COLOR="$SYSTEMTEST_FORCE_COLOR" \
+        SYSTEMTEST_NO_CLEAN="$SYSTEMTEST_NO_CLEAN" \
+        SLOT="$SLOT" \
+        OPENSSL_CONF="$OPENSSL_CONF" \
+        SOFTHSM2_CONF="$SOFTHSM2_CONF" \
+        SOFTHSM2_MODULE="$SOFTHSM2_MODULE" \
+        PATH="$PATH" \
+        ${LD_LIBRARY_PATH:+"LD_LIBRARY_PATH=${LD_LIBRARY_PATH}"} \
+        TESTS="$*" \
+        TEST_SUITE_LOG=run.log \
+        LOG_DRIVER_FLAGS="--verbose yes --color-tests yes" \
+        LOG_FLAGS="$log_flags" \
+        TEST_LARGE_MAP="${TEST_LARGE_MAP}" \
+        CI_ENABLE_ALL_TESTS="${CI_ENABLE_ALL_TESTS}" \
+	${VIRTUAL_ENV:+"VIRTUAL_ENV=${VIRTUAL_ENV}"} \
+	${PERL5LIB:+"PERL5LIB=${PERL5LIB}"} \
+        make -e check
+    exit $?
+fi
+
+if [ $# -eq 0 ]; then
+    echofail "Usage: $0 [-k] [-n] [-p <PORT>] test-directory [test-options]" >&2;
+    exit 1
+fi
+
+systest=$(basename "${1%%/}")
+shift
+
+if [ ! -d "${srcdir}/$systest" ]; then
+    echofail "$0: $systest: no such test" >&2
+    exit 1
+fi
+
+if [ "${srcdir}" != "${builddir}" ]; then
+    if [ ! -d common ] || [ ! -r common/.prepared ]; then
+        cp -a "${srcdir}/common" "${builddir}"
+    fi
+    # Some tests require additional files to work for out-of-tree test runs.
+    for file in ckdnsrps.sh conftest.py digcomp.pl ditch.pl fromhex.pl get_core_dumps.sh kasp.sh packet.pl pytest_custom_markers.py start.pl stop.pl testcrypto.sh; do
+        if [ ! -r "${file}" ]; then
+            cp -a "${srcdir}/${file}" "${builddir}"
+        fi
+    done
+    if [ ! -d "$systest" ] || [ ! -r "$systest/.prepared" ]; then
+        mkdir -p "${builddir}/$systest"
+        cp -a "${srcdir}/$systest" "${builddir}/"
+        touch "$systest/.prepared"
+    fi
+fi
+
+if [ ! -d "${systest}" ]; then
+    echofail "$0: $systest: no such test" >&2
+    exit 1
+fi
+
+
+# Determine which ports to use for this system test.
+eval "$(cd "${srcdir}" && ./get_ports.sh -p "$baseport" -t "$systest")"
+
+# Start all servers used by the system test.  Ensure all log files written
+# during a system test (tests.sh + potentially multiple *.py scripts) are
+# retained for each run by calling start.pl with the --restart command-line
+# option for all invocations except the first one.
+start_servers() {
+    echoinfo "I:$systest:starting servers"
+    if $restart || [ "$run" -gt 0 ]; then
+        restart_opt="--restart"
+    fi
+    if ! $PERL start.pl ${restart_opt} --port "$PORT" "$systest"; then
+        echoinfo "I:$systest:starting servers failed"
+        return 1
+    fi
+}
+
+stop_servers() {
+    if $stopservers; then
+        echoinfo "I:$systest:stopping servers"
+        if ! $PERL stop.pl "$systest"; then
+            echoinfo "I:$systest:stopping servers failed"
+            return 1
+        fi
+    fi
+}
+
+echostart "S:$systest:$(date_with_args)"
+echoinfo  "T:$systest:1:A"
+echoinfo  "A:$systest:System test $systest"
+echoinfo  "I:$systest:PORTS:${PORT},${TLSPORT},${HTTPPORT},${HTTPSPORT},${EXTRAPORT1},${EXTRAPORT2},${EXTRAPORT3},${EXTRAPORT4},${EXTRAPORT5},${EXTRAPORT6},${EXTRAPORT7},${EXTRAPORT8},${CONTROLPORT}"
+
+$PERL ${srcdir}/testsock.pl -p "$PORT"  || {
+    echowarn "I:$systest:Network interface aliases not set up.  Skipping test."
+    echowarn "R:$systest:FAIL"
+    echoend  "E:$systest:$(date_with_args)"
+    exit 1;
+}
+
+# Check for test-specific prerequisites.
+test ! -f "$systest/prereq.sh" || ( cd "${systest}" && $SHELL prereq.sh "$@" )
+result=$?
+
+if [ $result -eq 0 ]; then
+    : prereqs ok
+else
+    echowarn "I:$systest:Prerequisites missing, skipping test."
+    echowarn "R:$systest:SKIPPED";
+    echoend "E:$systest:$(date_with_args)"
+    exit 77
+fi
+
+# Clean up files left from any potential previous runs except when
+# started with the --restart option.
+if ! $restart; then
+    if test -f "$systest/clean.sh"; then
+        if ! ( cd "${systest}" && $SHELL clean.sh "$@" ); then
+            echowarn "I:$systest:clean.sh script failed"
+            echofail "R:$systest:FAIL"
+            echoend  "E:$systest:$(date_with_args)"
+            exit 1
+        fi
+    fi
+fi
+
+# Set up any dynamically generated test data
+if test -f "$systest/setup.sh"
+then
+    if ! ( cd "${systest}" && $SHELL setup.sh "$@" ); then
+        echowarn "I:$systest:setup.sh script failed"
+        echofail "R:$systest:FAIL"
+        echoend  "E:$systest:$(date_with_args)"
+        exit 1
+    fi
+fi
+
+status=0
+run=0
+# Run the tests
+if [ -r "$systest/tests.sh" ]; then
+    if start_servers; then
+        ( cd "$systest" && $SHELL tests.sh "$@" )
+        status=$?
+        run=$((run+1))
+        stop_servers || status=1
+    else
+        status=1
+    fi
+fi
+
+if [ $status -eq 0 ]; then
+    if [ -n "$PYTEST" ]; then
+        for test in $(cd "${systest}" && find . -name "tests*.py" ! -name "tests_sh_*.py"); do
+            rm -f "$systest/$test.status"
+            if start_servers; then
+                run=$((run+1))
+                test_status=0
+                (cd "$systest" && LEGACY_TEST_RUNNER=1 "$PYTEST" -rsxX -v "$test" "$@" || echo "$?" > "$test.status") | SYSTESTDIR="$systest" cat_d
+                if [ -f "$systest/$test.status" ]; then
+                    if [ "$(cat "$systest/$test.status")" = "5" ]; then
+                        echowarn "R:$systest:SKIPPED"
+                    else
+                        echo_i "FAILED"
+                        test_status=$(cat "$systest/$test.status")
+                    fi
+                fi
+                status=$((status+test_status))
+                stop_servers || status=1
+            else
+                status=1
+            fi
+            if [ $status -ne 0 ]; then
+                break
+            fi
+        done
+        rm -f "$systest/$test.status"
+    else
+        echoinfo "I:$systest:pytest not installed, skipping python tests"
+    fi
+fi
+
+if [ "$run" -eq "0" ]; then
+    echoinfo "I:$systest:No tests were found and run"
+    status=255
+fi
+
+if $stopservers
+then
+    :
+else
+    exit $status
+fi
+
+$SHELL get_core_dumps.sh "$systest" || status=1
+
+print_outstanding_files() {
+    if test -d ${srcdir}/../../../.git; then
+        git status -su --ignored "${systest}/" 2>/dev/null | \
+        sed -n -e 's|^?? \(.*\)|I:'"${systest}"':file \1 not removed|p' \
+            -e 's|^!! \(.*/named.run\)$|I:'"${systest}"':file \1 not removed|p' \
+            -e 's|^!! \(.*/named.memstats\)$|I:'"${systest}"':file \1 not removed|p'
+    fi
+}
+
+print_outstanding_files_oot() {
+    if test -d ${srcdir}/../../../.git; then
+        git -C "${srcdir}/${systest}" ls-files | sed "s|^|${systest}/|" > gitfiles.txt
+        find "${systest}/" -type f ! -name .prepared ! -name Makefile > testfiles.txt
+        grep -F -x -v -f gitfiles.txt testfiles.txt
+        rm -f gitfiles.txt testfiles.txt
+    fi
+}
+
+if [ $status -ne 0 ]; then
+    echofail "R:$systest:FAIL"
+else
+    echopass "R:$systest:PASS"
+    if $clean && ! $restart; then
+        ( cd "${systest}" && $SHELL clean.sh "$@" )
+        if [ "${srcdir}" = "${builddir}" ]; then
+            print_outstanding_files
+        else
+            print_outstanding_files_oot | xargs rm -f
+            find "${systest}/" \( -type d -empty \) -delete 2>/dev/null
+        fi
+    fi
+fi
+
+NAMED_RUN_LINES_THRESHOLD=200000
+find "${systest}" -type f -name "named.run" -exec wc -l {} \; | awk "\$1 > ${NAMED_RUN_LINES_THRESHOLD} { print \$2 }" | sort | while read -r LOG_FILE; do
+    echowarn "I:${systest}:${LOG_FILE} contains more than ${NAMED_RUN_LINES_THRESHOLD} lines, consider tweaking the test to limit disk I/O"
+done
+
+echoend "E:$systest:$(date_with_args)"
+
+exit $status
diff --git a/bin/tests/system/legacy/build.sh b/bin/tests/system/legacy/build.sh
new file mode 100644
index 0000000..fcde4e1
--- /dev/null
+++ b/bin/tests/system/legacy/build.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+(cd ns6 && $SHELL -e sign.sh)
+(cd ns7 && $SHELL -e sign.sh)
+
+$SHELL clean.sh
diff --git a/bin/tests/system/legacy/clean.sh b/bin/tests/system/legacy/clean.sh
new file mode 100644
index 0000000..4c65a2d
--- /dev/null
+++ b/bin/tests/system/legacy/clean.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f ns*/named.conf
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.lock
+
+# build.sh
+rm -f ns1/named_dump.db*
+rm -f ns6/K*
+rm -f ns6/dsset-*
+rm -f ns6/edns512.db
+rm -f ns6/signer.err
+rm -f ns7/K*
+rm -f ns7/dsset-*
+rm -f ns7/edns512-notcp.db
+rm -f ns7/signer.err
+rm -f ns7/trusted.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/legacy/ns1/named1.conf.in b/bin/tests/system/legacy/ns1/named1.conf.in
new file mode 100644
index 0000000..5c4b1c4
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/named1.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/legacy/ns1/named2.conf.in b/bin/tests/system/legacy/ns1/named2.conf.in
new file mode 100644
index 0000000..239e58f
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/named2.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/legacy/ns1/root.db b/bin/tests/system/legacy/ns1/root.db
new file mode 100644
index 0000000..175847a
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/root.db
@@ -0,0 +1,33 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+.			SOA	ns1.	marka.isc.org 1 0 0 0 0
+.			NS	ns1.
+ns1.			A	10.53.0.1
+dropedns.		NS	ns.dropedns.
+ns.dropedns.		A	10.53.0.2
+dropedns-notcp.		NS	ns.dropedns-notcp.
+ns.dropedns-notcp.	A	10.53.0.3
+plain.			NS	ns.plain.
+ns.plain.		A	10.53.0.4
+plain-notcp.		NS	ns.plain-notcp.
+ns.plain-notcp.		A	10.53.0.5
+edns512.		NS	ns.edns512.
+ns.edns512.		A	10.53.0.6
+edns512-notcp.		NS	ns.edns512-notcp.
+ns.edns512-notcp.	A	10.53.0.7
+ednsformerr.		NS	ns.ednsformerr.
+ns.ednsformerr.		A	10.53.0.8
+ednsnotimp.		NS	ns.ednsnotimp.
+ns.ednsnotimp.		A	10.53.0.9
+ednsrefused.		NS	ns.ednsrefused.
+ns.ednsrefused.		A	10.53.0.10
diff --git a/bin/tests/system/legacy/ns1/trusted.conf b/bin/tests/system/legacy/ns1/trusted.conf
new file mode 100644
index 0000000..a54b6aa
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/trusted.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	"edns512-notcp." static-ds 8161 10 2 "19147C5BF59BED075AC26CE73DDA875438FB5AC61BCF31F081AD5BDA1AA7C236";
+};
diff --git a/bin/tests/system/legacy/ns10/ednsrefused.db b/bin/tests/system/legacy/ns10/ednsrefused.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/ednsrefused.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns10/named.conf.in b/bin/tests/system/legacy/ns10/named.conf.in
new file mode 100644
index 0000000..628c51a
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.10; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsrefused" {
+	type primary;
+	file "ednsrefused.db";
+};
diff --git a/bin/tests/system/legacy/ns10/named.ednsrefused b/bin/tests/system/legacy/ns10/named.ednsrefused
new file mode 100644
index 0000000..6b43ac0
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/named.ednsrefused
@@ -0,0 +1 @@
+ednsrefused
diff --git a/bin/tests/system/legacy/ns2/dropedns.db b/bin/tests/system/legacy/ns2/dropedns.db
new file mode 100644
index 0000000..06c023c
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/dropedns.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.2
diff --git a/bin/tests/system/legacy/ns2/named.conf.in b/bin/tests/system/legacy/ns2/named.conf.in
new file mode 100644
index 0000000..e570ffe
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "dropedns" {
+	type primary;
+	file "dropedns.db";
+};
diff --git a/bin/tests/system/legacy/ns2/named.dropedns b/bin/tests/system/legacy/ns2/named.dropedns
new file mode 100644
index 0000000..37dd9cf
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/named.dropedns
@@ -0,0 +1 @@
+dropedns
diff --git a/bin/tests/system/legacy/ns3/dropedns-notcp.db b/bin/tests/system/legacy/ns3/dropedns-notcp.db
new file mode 100644
index 0000000..0ac44bc
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/dropedns-notcp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.3
diff --git a/bin/tests/system/legacy/ns3/named.conf.in b/bin/tests/system/legacy/ns3/named.conf.in
new file mode 100644
index 0000000..3d89554
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "dropedns-notcp" {
+	type primary;
+	file "dropedns-notcp.db";
+};
diff --git a/bin/tests/system/legacy/ns3/named.dropedns b/bin/tests/system/legacy/ns3/named.dropedns
new file mode 100644
index 0000000..37dd9cf
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.dropedns
@@ -0,0 +1 @@
+dropedns
diff --git a/bin/tests/system/legacy/ns3/named.notcp b/bin/tests/system/legacy/ns3/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns4/named.args b/bin/tests/system/legacy/ns4/named.args
new file mode 100644
index 0000000..4ccb648
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns4 -X named.lock -g -U 4 -T maxcachesize=2097152 -T noedns
diff --git a/bin/tests/system/legacy/ns4/named.conf.in b/bin/tests/system/legacy/ns4/named.conf.in
new file mode 100644
index 0000000..32bdb05
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "plain" {
+	type primary;
+	file "plain.db";
+};
diff --git a/bin/tests/system/legacy/ns4/plain.db b/bin/tests/system/legacy/ns4/plain.db
new file mode 100644
index 0000000..2c20a70
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/plain.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.4
diff --git a/bin/tests/system/legacy/ns5/named.args b/bin/tests/system/legacy/ns5/named.args
new file mode 100644
index 0000000..0c5e17a
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns5 -X named.lock -g -U 4 -T maxcachesize=2097152 -T noedns
diff --git a/bin/tests/system/legacy/ns5/named.conf.in b/bin/tests/system/legacy/ns5/named.conf.in
new file mode 100644
index 0000000..92e754f
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "plain-notcp" {
+	type primary;
+	file "plain-notcp.db";
+};
diff --git a/bin/tests/system/legacy/ns5/named.notcp b/bin/tests/system/legacy/ns5/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns5/plain-notcp.db b/bin/tests/system/legacy/ns5/plain-notcp.db
new file mode 100644
index 0000000..9c1a96b
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/plain-notcp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.5
diff --git a/bin/tests/system/legacy/ns6/edns512.db.in b/bin/tests/system/legacy/ns6/edns512.db.in
new file mode 100644
index 0000000..485ec8e
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/edns512.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+@	60	TXT	a txt record
+ns	60	A	10.53.0.6
diff --git a/bin/tests/system/legacy/ns6/edns512.db.signed b/bin/tests/system/legacy/ns6/edns512.db.signed
new file mode 100644
index 0000000..f193a09
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/edns512.db.signed
@@ -0,0 +1,226 @@
+; File written on Fri Oct 23 13:08:55 2020
+; dnssec_signzone version 9.17.6
+edns512.		60	IN SOA	ns.edns512. marka.isc.org. (
+					1          ; serial
+					0          ; refresh (0 seconds)
+					0          ; retry (0 seconds)
+					0          ; expire (0 seconds)
+					0          ; minimum (0 seconds)
+					)
+			60	RRSIG	SOA 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					De3f+wPXopHUPSD2z6Ak5oWhk7AOqqCGU/Z7
+					iCHR+9SCTaDRyGQarIGoCrlc2hhrkxOsYWB1
+					X01E0Zx+iKrzjbK8aJi1JoigvWvi+XogBfWR
+					g7P2LnRnriJfBtsFdKEQSHFo3dmVX4XCqyJX
+					xkJZG2+if+HedaYkrW2izH6PRUsXf3sQWdm4
+					+k1jy+4m4m6bVM/QeHbX/u6KwEZlNuWy64lL
+					2CXtRpjc2W0oX5Fqoz5GWKI6T038IEawLhP3
+					g/SnC021ub89U5sWRY3s3c1vNrZBjtdnGkOr
+					V5xqBkVwl9RVJwmrMZ4Sa4JaPbd6eV25d+R+
+					+yoCJu3mLwL3q7zBT/Du5N23sTeVeIQmmrj/
+					PxaaX8YIsGH8cCDaverEAJsveuzpYuZjy8G8
+					ZiZagWrA5DQwwy4t+XrhZkUYjxX51t6l367V
+					8stKcY/SGEmuEpOuYlaTV0/EikZyWQFoq/iv
+					2eyt/CS+vbD9Bz6v/EXI30rNIdSrYlA1/Vnb
+					hJmb/k13Nlf6ZeybSWLFDYYSXz//FObZ81Zi
+					7mUB8nZaMtadOnaf7cmsEDUeDbOd9JkiMsmY
+					XDnJPN04hOlCpnwVs8gfLPexD+iDwGLc8rkB
+					hGcAOQRXw22QI7OkBlyaXCHwPpniahmK2wtB
+					Pb7wmdlIVz2lcbtdNz1e2Jfp2rlxcz7e74w= )
+			60	NS	ns.edns512.
+			60	RRSIG	NS 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					n0ZPbouoYSPJO35aT4qUr9dwiHDwpf7tyCKn
+					18v9b2UXSGloo5ojUkyA7aJf16vuTrcRR3/b
+					NFHE+qdUsyquHAqjzfPg6O6wL/1CFtZM4Be9
+					SPoaMi1/qYJ51ixep07etIFeQamdSTdwFEFb
+					2mowRZ5/6TP2GlQZuO56kLTNZSPzUOSh/keN
+					W/sqMludYPJ4JUSI/tyXaadyu/oTLxHvqmFg
+					IHGIVsZs4QGyJax75YKL/tQgpMV8A5w56J5V
+					2N+8wcLArfwqSduDE0LCU9BfFt4FZf5Hxdqx
+					Vh30cQkNzvK+k2Em+dV7NyNUtyeQO+szkMdL
+					Rkwx9bLGaBExDQZZUvXaAmGcrFPGHgYxBEyN
+					YCpPETeTyvI/Hlt5ldKFLhBuy5h84VNpZ1et
+					T4YBoc/v+SLK+QygJTESvS86v3eSnKtTpr7Z
+					z6MaB0jU5rYc1GsVU/W/Hbw8N4EHtsA4PxP+
+					CVHBqRCNT3VZuASJuGRYo5g/JFeoA1MFfvIK
+					gPR7JEAL9TXxgeCWPpyeF0uLabgusPfbcSaH
+					H90smjebOP5aN5F31oDyJdT0dj4VJybjkIkq
+					/DKh4gMUTDLe7XSz7E0V56W5TMjnh6qvJCNr
+					Lrt3M3su6iCTogCXnGqIyqd0udDjryMr6RX8
+					QHdOfb8n9CE2cgbgB3lZ2yTo+wTElCK+QQ8= )
+			60	TXT	"a" "txt" "record"
+			60	RRSIG	TXT 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					MFRZbRqXwWAL5FivjxPsq02Zn6GGO+v0PKAe
+					2FCMrCzIFXqxAuiX3aUg3OXdtSgYKTsgS5X+
+					GfTPAGrdH3hsdanqJbnD/pSjSIOuyrwTR4p5
+					QS6nLReu6HgYqw38gJXzOL596s5N5PPIz0T2
+					6FmbUsVo0x+PNikUQe6rR68Wfs4T/C689aT7
+					ws5e/NHvG/EfyxyAENQHLWjuXG0iyU61xmB9
+					b8mzdUwT0TupyE75gBDEMLosbBOqSKp8Etjo
+					hVzjYkXkIRjp1+KceauOIIi8HnpJWkFDbgst
+					EFhEydCpf2cfCSooE/ddvjKCgsykL7H3iFBl
+					6b1mgQ91mouK+qrJTtF9Vjbtz49Q8x/aPyw5
+					YL37y7pXTcELJjE4QDk26OShxnUZYxV7rnp+
+					u7AHaGjPpRHG+Tv+/Ovp7LP33ZFK05jCr2jl
+					KMfi6lPpivY7wF8Eyg+gNlf4Je+7jARYQ6/n
+					Gk4dD0IHg1Q9f9f9Zuus6EqBY+Hw4tMDrhvq
+					MFNdgNArN6MgQKpTqcl3RPsW5UmDQh4cyqZm
+					OsxxCSzwKggTsDSAHCemJp2HhiagRMEE5Jk3
+					8kiBA9CUSgMHu2hh3MeC/+mUWXO7rBl6f+4v
+					IwlJ5Lc5W+F7acJqpbhVRIW7SsTxC3unJXEu
+					ZJoIy8/VRRK5sW3y3lPh+kY3M+ibAaweGIc= )
+			0	NSEC	ns.edns512. NS SOA TXT RRSIG NSEC DNSKEY
+			0	RRSIG	NSEC 10 1 0 (
+					20501016010855 20201023010855 53333 edns512.
+					uUXcf0YI0zxGIGCSoRCC5sY6PqaeiZMkMyEw
+					RaOmshO0ylGgjSdXDq8aYyfX0Yqk3cNlNws+
+					pxc93SHjS5y5AouUJyAmp/DcuWTbb6HI5rUu
+					Vl5MBU4SaQc2mfNDbJVvkPFSG8L5KddL8AOo
+					1C/n4xxtQXmBvxD26lm3Is4V8F0ka5s6Gsx6
+					wa+wk/x4tIUXjPs31i9Rm6INMJrjTr0KEpEE
+					N4NDsiCd8udcQhSDXYSfJ6mL2T4oLBkI2rTb
+					63YimpBl0tThlO852iXmGz42LiO4e/7OHEfi
+					qVbeLo66PAOW50dqxBchTydaUl1ODDbkaT06
+					YXrIyO5epPOZcHnKnU+WtXzVGhx1WFYamK+d
+					YeFxIFT9FH3Ka0CutimVjziMoYzPZZTSBCER
+					e2Lat4VY3tlKIREo21k83q86KuuEmJsnn3mO
+					E4h29sJAbqPlJ81/iOPBM6mZOJKQRUYkd3xo
+					9VdYMmLc0BPRH8YxbpqQ/2bZwE676/Z5TlzY
+					Zs4RgG7nxddzwrroD52MfKDvb7TelF0q1hwU
+					ay481qZkCRFEziRt0veUMTlp8u8tRJbSTOwn
+					KsgF2hadtzGwNPMcsx03cO6rkGlZXlJPvj2a
+					A8720jM+1xIKUH1ClDnIM3DLjwBAquJpstO0
+					6GccRya3pRDf/H+1kBodXMylIw7QF/1L91Q= )
+			60	DNSKEY	256 3 10 (
+					AwEAAb6wC1T1oWvZUHHTf5er1NKQRzGyu/Rb
+					r2HgRcnOwqUh4Bv8jCN8zXCKRZ0t2uFFvRrX
+					HE/NvhxJnZNtwGyfJNNVCQ4jkbPoD/lPYCCc
+					8LWeZ9ZLgN7XZpUk3F1EnGkHQCM7WoXe03UA
+					OCHo6hriB96pgFJV+tCSCIubB99Fyk+dN1gG
+					dfjbRRYSYi7fgQEEVicmbP1u8Bd/6HZQXE7o
+					aFdGs1gAkvNNVY+AkFQVdhv5gbDew1vFg9lY
+					C3wWWdRdJtOpHMYY4Q9LBPSKJe4/C/Qr9JJg
+					jl/OgfeMPPPw2O50W7j5DVqPAPJaeflJbpCp
+					EjBhIJAgp2nekWlN2WGqFuQLMfsm8HWftafY
+					WdGXQpGB+gG4yJTRC6aoAGLQ7Ah2xzwodRYx
+					6Hu3VMBOjmbiNeubFmZHtOjND6VAexbuGf4Y
+					CiRfGbxY2+nQtDU3DPF1s0k6TcIw3HuukFuv
+					yaK9zjx//YD/+AprMHhvrsXjZwLUYwERe6Ax
+					CTKtbhPFoYb/Sx9spjMG/yWTJw/cLCen0K3t
+					JHoDKzmRuCldnCk5ff9ZVoOUvZrOfBicuVW4
+					vy1eYdfugDf8Y0Gix00DpA6h0xEVh/pCd7VC
+					2N5mi0m9ZX5gaH3Rz8AZy9c3iFG+36kUu7By
+					kSCAwVUEryxS1uuR4a3a3FTPgIYZAOAEif6Y
+					0eFD
+					) ; ZSK; alg = RSASHA512 ; key id = 53333
+			60	DNSKEY	257 3 10 (
+					AwEAAZVmIZdDKaEpBYzRNZ8sCXLdPBkWvH1l
+					hRMwYtqQuwvKahA1+m0xHWczNV1m04e2MrI9
+					AR2yYFCKi+znm9MS3WPo6fShbKzbzCu04G16
+					334WcmxiFfiKWd71NJoM/Oe7pcWJPiGlm0+z
+					SE93DD1681/GCJxolquJizZH3N9c9erK4Fzv
+					v8jSbEiVen89bkdUw8ulAmX/Eeb9x39A7fs+
+					acO4BuTrL4vsKZ96D9+qbDnUkDn967jFeKGw
+					RCDUMa+UGABkkNjmic8WTVITwI84xEcaFEl5
+					GQBYLJ/qfou1tPicCQxup/EllF4xgFsTvtgG
+					BjN+uJXaE6rs171pzIbDcwZVuq0JZfWXCnrp
+					JZUQbtpwr1nFwT4prg4riDCzmiA3gnXCOLFR
+					pvqx7iOhS77+7miNqBEBthfu6kEdChOlNWpO
+					TX1Df77HbLyGHPWpExcg11j1jxH1PUB/ijpL
+					gUFRORuE6Y8NxUvN8ooQWHIYjd8AEIGlAssy
+					9dv91KlyOSfZfZftGelCvm5Hha4PoMXUF1of
+					4rqVy346UhVRKIu29ML+Os4+HPTPhXY1/wco
+					2q3fvKqix8sI997SOrjYeX39MJ2WImzWZVoc
+					U2X0sbZlYU0I6yq2zDh4oN98s2r1U4TJPf4G
+					Kc2A3107n5WHsavLF6DfV9bDU4/ozVE920/5
+					KocD
+					) ; KSK; alg = RSASHA512 ; key id = 21624
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					VFBtgMd79vb3EKirSuX5adFdCVMCQQrQ6ANM
+					iAMhKSxo9Ic8ICZGANm7jvpg+IEG13+2ehyt
+					3EpBIHQYp+Apa1j6lGUDbdmcqP0E34eVy8jJ
+					brP94Bpo0hP1E0P6pPuIqWrnWYG60bXNztc1
+					nJ0ACg7mbcbbnFKHwOcD+js74jGAQdCKpwo3
+					SCfjApUMQwLhHVa0MKcxKCtbCz0WJJwGoXOV
+					U4l0DY/wD/aXTXjguiycjrHEP1dT23JPICFl
+					ZsaVE/+ra999p8fCZ5Vqy3PRFGqUirrwj8hG
+					93dK4R5GxY0OLfIxYVX5Nt1w6qDmpXbVtryU
+					wgzdO3ZO6+Fz7hltPB19bfCQZQIkqypaPkXT
+					ltk23Jax9EU1nQ1CXLPgMDd3jjlF/46R/CD0
+					H/69/ftwCUdmfX2TZmIWEca4sdj5Za1U1AY4
+					pby4uPUncEw4T4WtRxKmrXjd9H2Ml8KRCIPe
+					Iz/21cUoxdLzlomjnP967H/TR6UFxayQziv/
+					LL2R7LIQwQlz9ZCHHhedptCaK+0FUicWHqW4
+					SW7Y/AKavvFGkMO3KXkXto2oZQLRL4m1Auv7
+					M8rlStuEFBJ5/K0JIp4NCDKTayhXwwvf9jtn
+					WrsCaLRBJH2nCIO2/1w16G3D5mQdvt0QskM2
+					FRtEhi3a7TpwRvCGKw9PuVilH7qXIYpHF54= )
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010855 20201023010855 21624 edns512.
+					Nv7YHuTniNFoFtEeF53VG5ERUEBzKY6wTzUe
+					34+5hD/GwdxqKq0qQ8VflACrP/JYonCejgj7
+					6K4EWLBnZYk1K53NTetO19CCP9X7uQC5+av9
+					D5TMLZUC+nQKzHqvJvR6E9UsaH8/wTfOPf1y
+					Li0CzNUpIQ1dKiDu4nJV15Vb8maxjsSxSMwB
+					8bq6d7sNaa97KIqhhlQp1uJBtS26yp+vP7oJ
+					dYYuJJDeim3GyS/5SN1uMi0r+k9ZL5ajCcyh
+					IACupyTdGLmQKVR1QwF+UlLhY66TGuLKvvJB
+					ygg8W5nguqz8mu9uEmwnVta82itKTKWeXwDm
+					TvEsmW3otxkllRTnHUGDD5mYQBojblFvd27K
+					qf5ALNjAsDwqgrp3EkX7wSOjUNa14ndPLvlO
+					oaeI+ak914WeWrX4s3Pq14BOgeY2dkPX7+MN
+					J3cVkZF3UHsUzzI8vDu68Lnrr36Io5LLlbx6
+					ZzVceeOGvFDz3F949LjYdfBPmIRaC1sKlhEf
+					VrHILfDQFKd3XUK9aRehj3coARu7Aovve1qO
+					nBTQKwxBFamDaNLlJOaTSaXF8qolIaaEx5Nf
+					ymlTsUEkhkB2R1E4LOg1GYziysJSuTYNK5vJ
+					k4kNVn4H/I+sFcxphy2bpZeVHeyNW7JEzQLy
+					JibBoojBRlVtYCmxqYMtGggHsG+C/YYF0QA= )
+ns.edns512.		60	IN A	10.53.0.6
+			60	RRSIG	A 10 2 60 (
+					20501016010855 20201023010855 53333 edns512.
+					XL9RRX33pcjPE9x6705G/ztksGQbJ/y7tT+k
+					Ojr/hVxfm16IppAjqUnQawbpHTak9NQssa8w
+					0+edKW5DDMnU6Cnk7rnD2JRNNoXCsQ+HI1oe
+					I7DAgxPvloELwqKnRFmViTCued13oTbzYYOF
+					w28oRXC+elYoeK5ee953hm298WJjOwaVFzub
+					YUf5Tf3DlVLtDeylnokPGTOHMo55IS1h+xni
+					0V8+jPLXARA9L4fI590J83XPyDPwNgjt0Imv
+					ySZJ2WopQf16RLPJAHbqz+xQK/kO61TBzk6x
+					bqe2o5izwKmg46/5ekOvntjXebvxaC9PnSKw
+					e0fPlXBs5gwbSRFitRHxFzVS2m9eWLMtcYXP
+					XW7cVKLiBmlci0gzWkhOlGUSCAF5ZaUX/6EK
+					4nHsDthtHa2Y4TGkCOeRZNDLGeO4fdfLSS+o
+					qR70HuhxYp+FqwYxJFtePx7PeJpSwc6FaWTs
+					Ol41GBSDVFNomOcUawMdstqj2QRWoi4o8Q4m
+					SwTdyIBd0gekzkyKheVzfFJxUlE524idgNL2
+					fCF/y8G/GGwU8DZ2mXLRTbE+7eZV/BG0m9ih
+					hs/wqqY6o7ClTDWgWJOQ7bbzZBvy3QEmkMZc
+					TcuWRhVzbS64QlWlFOVD5EpQO5YM3UNKBgVX
+					ynqTaHEjDZ8P43szTvel8Og2LLdw13qNBYA= )
+			0	NSEC	edns512. A RRSIG NSEC
+			0	RRSIG	NSEC 10 2 0 (
+					20501016010855 20201023010855 53333 edns512.
+					FuLjgUgFvqjd7KVC5Qli4TueVtHpJlWul+VT
+					fSWFW8V+730HaPqo2TvZr9pbU7TKFqNWm1mK
+					cqlxTg9iYviabIZO7cq5tDvX++CiVBaqbjnC
+					UM7PHl36mj/+WPkQHxSo+TpOC3zd1uSGoF4h
+					sg8HjMUuQ9dRpsYWPwGM9dwkcgzfHSrCs/zQ
+					kW4Ari8JgBLAQ7mqRzAEzZPWG90lFgsElvXu
+					YeSyeP8nSwRvzxjzfgg9YnWOY/zSqUup2HUm
+					jf4CSFqyOzJm+o0BhVs7qumFl6Z6DRibWece
+					0cV7xdLqeBvHZdmBW1uWNio/7YnK1uF2UCBC
+					bwtzZKrwmCRWaj5HuhJ4DaftFje/7nPz0Kxl
+					VXWYqTDW+OFO9yJLc3+NPrZdNxuADnrW0MrR
+					OgJwd1vTpHAwf14ipOitzf4PyBWE5EyL2VIV
+					QM8oB3+xgZqG2QwAaGe4ZOrrDXQotQ5BmS1d
+					Y8SebfcylVUWKJK4kJzAvGjLddZ/1pq2bO2w
+					awj2UarfydJvH+JnX44cykGZeT3x7Y26jEzn
+					DL5/2NNPVU3jTl/HKdeyMG2INPxWr6z/+PXs
+					Wn0IjTRpVrKjoTIl2/hUctsldNgZ/kjKhP+U
+					VrI3O0cBhUM4BPV01mAU8Cq0nhrkRt0ESgo3
+					Bulleb0NLQlhBgo0aiZYQLIA8cDLeAi/dIE= )
diff --git a/bin/tests/system/legacy/ns6/named.args b/bin/tests/system/legacy/ns6/named.args
new file mode 100644
index 0000000..3475121
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns6 -X named.lock -g -U 4 -T maxcachesize=2097152 -T maxudp512
diff --git a/bin/tests/system/legacy/ns6/named.conf.in b/bin/tests/system/legacy/ns6/named.conf.in
new file mode 100644
index 0000000..17f19d9
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "edns512" {
+	type primary;
+	file "edns512.db.signed";
+};
diff --git a/bin/tests/system/legacy/ns6/sign.sh b/bin/tests/system/legacy/ns6/sign.sh
new file mode 100755
index 0000000..f76b3c2
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/sign.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=legacy
+
+echo_i "sign edns512"
+
+zone=edns512
+infile=edns512.db.in
+zonefile=edns512.db
+outfile=edns512.db.signed
+
+keyname1=$($KEYGEN -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -g -o $zone -f $outfile -e +30y $zonefile > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/legacy/ns7/edns512-notcp.db.in b/bin/tests/system/legacy/ns7/edns512-notcp.db.in
new file mode 100644
index 0000000..e181ca4
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/edns512-notcp.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+@	60	TXT	a txt record
+ns	60	A	10.53.0.7
diff --git a/bin/tests/system/legacy/ns7/edns512-notcp.db.signed b/bin/tests/system/legacy/ns7/edns512-notcp.db.signed
new file mode 100644
index 0000000..495d098
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/edns512-notcp.db.signed
@@ -0,0 +1,226 @@
+; File written on Fri Oct 23 13:08:56 2020
+; dnssec_signzone version 9.17.6
+edns512-notcp.		60	IN SOA	ns.edns512-notcp. marka.isc.org. (
+					1          ; serial
+					0          ; refresh (0 seconds)
+					0          ; retry (0 seconds)
+					0          ; expire (0 seconds)
+					0          ; minimum (0 seconds)
+					)
+			60	RRSIG	SOA 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					oLYJAlTUS8D9FSdgdL+wQVNbWZamSxv+vTx1
+					3zAfTgMV/n3RclAtFfFENe+bNxW5vkt4ADEg
+					j5ys/MFnLA0pgw3fjziIzR2OwEQpuw76A8S/
+					ecLVvon5VcEOvKRhUbDJoAS2PatPPqnGxVyE
+					bs+fBCqeorUl/noU/6TfiISIeVcOmEgZX9I7
+					9LN//CmDpGeZGMm3q6S3LlmsXnBoaMb6g1SN
+					xH/aA/xstiHXvwRLy1YwtImJa92WIZPaA9tb
+					zCX9vVXaVtnLxUVz7PyJOAW/+jsg4IfVmpbz
+					GboD0FdgENC4KuIHjjA93opAOI3iOuREmGEw
+					7kBPAgaVB8EzypYxgKoEuargmw+3TymHipZE
+					e0/0JeXFdRbaiUQWXtKtYfPcmHcnrY5JO1eo
+					KjNbAakpDkd1wt5EtMc16TO7+00cY4VtUZNJ
+					IOLtzXByCy2a5FRWzar1InYhicUIvM6VoP5b
+					tj9QcYLWT3e1E0aXeBia2Qy+hS/Ut4X+vYvp
+					gedVySBjk8tSDyAkm7ALDiI1gPjdZfCWO+E3
+					8XI4RbCvaGNlZ4rRH17SKyjxJrgiAPN562bg
+					NAA2F/S5dzLOQn3wwXgHEwu77WisvMV5yrG+
+					3ef8eVEapJgNGzz1YlPTolpYn9EbAtRMxBcK
+					6/CFz0Qf6cfBrHS3lxHj78Dcj53O0+zKenY= )
+			60	NS	ns.edns512-notcp.
+			60	RRSIG	NS 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					r+WNvwHqzInk8Q/8bDkT4gUbgtc/ArysbpOC
+					Cw7LGnAREt4W6sZ3okkeXb8fnN/t8bsgE9IU
+					Hy7/IuhFu9eMzBYYuc4tzELXVswlCRpUvlVA
+					0zUJpNmyAcUuCyesy/pu67X0H7mUJX6Z1MKc
+					/o9F21lGkbXxSPSEgRYp6Kmr0s6oGxUqfPL8
+					KDM6yuLBn9YtXzZl5W95aHFGHSlJrCmOeW8P
+					8Y+5PAWN3fqA8Djgxy1EOMswFVZqmdM0K9oE
+					+oDjTKtj87YmrwdPsUlJLUQTJuoGIpAZxSj8
+					4Vgs0sdfdo0w0ZyqljYnlrNUlj214FdbXBec
+					CCTSgGcacg7GTW/0yWWeP/cvvVh0MkXWVO37
+					SUecD9jeMwyjFLfVFpzxkgbHO3AiBG8Y9rTk
+					ma18D/hAagbTLGlDhnjz0B/2loVCkRmvWyQp
+					4Kgpt807cX5w/mR4a/M+//OUTm4xtdq/Ym6f
+					VXLK+JOX8Z+RsDfMWBNodT+JgefnfvdfMaiK
+					FA65Sgq2TIhe75v7ttoN0FaPmIv/g1lgKSxA
+					sLg9syXSUp6Z08wWy3V0jYhs89s4ZJmjezYc
+					bZKvszSqmoCm3KXAkrRUyYooPpNVaMK8taQ1
+					v9vIiC7bFCap8eAogMrfjz1MImIQ/lsH0SC4
+					T+OLiqKK0/uXrqO13FW9EKj5NyBeioURx/k= )
+			60	TXT	"a" "txt" "record"
+			60	RRSIG	TXT 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					06INKYbKaphZUY5Nyc/FuiZolDsQBWnkMB0+
+					pwW/nUhCfXbZR+6wFuvmZHwDRUVvBGsLgPMs
+					WvUw313CsRB35vCb0ncGtFxaKdUahbf/9N2w
+					600wINuoRSTdxkuGlFbF2Rm0IjuATXkK0QFJ
+					/eSuATu2PfmMyy2MVtjTWCNIEcCJNXm6HjKj
+					KokuKB5YJWdR7pI/ofJD0v8L9Y1uM6uOMSEm
+					MW3jnrqnItg0CzpdAoJNDKCdv0lVz2SYAMIm
+					fbbYGbfhjGJnHvU+PZmgX4OI0F0QKXT+AAe1
+					fJaMBPFU5vvQo+Q/UYcWW+tc9jUiSMTwCOjW
+					j+cPJypLx7U3Hx3knUscYsikohQv9gqMTQsB
+					ylqpwJVbofgR62DWqlUUbgoEnILM18SvZ54A
+					nOcjfz6wLw3/jG/ONsXqLuyYiqetXGhhQLz3
+					DxzQrCts1vXWGCnjWdqHeDGZoPWK9RMcsK46
+					nGd+jHlOBvCgpgb0KEwKYBIdwnYgoLXqldVM
+					VEjJ4yJa0Lt9FDFEjdJmI9pcDkE/zAZSfKHF
+					cf0U/hHy303QpiL9c+2zzEeYpZzDltZfv1/g
+					oyVFPFxPxp8iNj2W4B1hYTYCgS3M/S75ylgQ
+					np/QyDv4PX6nIsVPvZUhslm62LfkRnANpqBe
+					y/VfZDrEHxsd6/4kpqFVhlCgmnCfvwT1PgU= )
+			0	NSEC	ns.edns512-notcp. NS SOA TXT RRSIG NSEC DNSKEY
+			0	RRSIG	NSEC 10 1 0 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					ZuI5yl2PzNehPw4HKsR3G/mN2LWtAr+7xWkE
+					2pm/Zr8LhnecYz0wbZkve5EDjLe7/93TH7y6
+					n7RD4N4W/jtK80J82Xpjy7xOZ3UX4PVoX/0s
+					IvJFHCPEmlzuzHiVZglMZS9HQl9aY6J5KIde
+					T4xRnY8YzhvraHi2E2T7HPIGZLZVccWU1dFe
+					qAxaIhmVYAbLNixd2TbKr6SeWfLQRvn4aM3H
+					90k5kSMwePOieyMtvfapmCsOIOxjG2KpibIX
+					VWnQrXGig5IQ0nOPkamKde5eTYH+cxkx2AHA
+					gjHutcrbrvwtW4HomW65BNZzyyknX8kC5eo9
+					RdAOWTpEXhDDxoU9QxsI6U8zRIwDEuet63N8
+					oESfik7AXDST1kJjLeY9QyX8FYKOQoCjxfIA
+					o06MTKN5OjtRquQUiCHNyOo3ySwaabEHVsbG
+					a28Laelo8oaPxEFZpVC02N9c2TW6H4gHijzm
+					WuyrlTV5T2FEQiWLlizVrDDKfNSbbF5DMw1A
+					AqYIiWUHTa5FAXT+DwBQaN1rd0FJXXMM4Uk+
+					a9Mquw9whK5TOe0BSHOsctPz3rAXVmQ/C6Tk
+					U0tZAmxEsPQDPiM29VdTx2CfTiTqYDsLVCl5
+					HUwHMYj9z5uVTZ8pD5zqI3NFH6KrqPlTB/je
+					ksrzOGaJrtnyj5oGExNWriYVsZx8FoyPNv0= )
+			60	DNSKEY	256 3 10 (
+					AwEAAdnQArhgG2vUoiAvs8zH8Z/+RTBxYUnv
+					/J3Vd9ierGFvvWonU1Ao/WWspZggXe3I6ZmK
+					+NCSuVlWb1HmemTobib6jdKWpNOMn8OcJHSE
+					4TsbOB0+sOknDdU/C8akwegHG2zgQG5dSKRC
+					oLVqlsnV27lFQrmpVm+cm0IruorTWJRC2W5t
+					iXnblVQ0ouR54SYG8+k18UqJDVfg1YBfDkzM
+					eMvz/wJjFy156yPul982VaRHT/xU+Ol5S/+c
+					yy91W22Q9ktlIjiIu5NLeH6TTwwfGu0YY+h7
+					rMFImDkwPeTX+K28BRdjYY2htH8O+ZfbmYE7
+					Ft8+qF9P7Df7YUPBiREs350NVuDMeqcJmbsi
+					yOFBZ+J/QJU7nM5VHCFeUIDZ873/o2bJN0W2
+					MaI+v+WsTmHN+W42EmejonGZqlC4ct9j8KO5
+					Z73y1+jdzqDOJfIctxRyqK6cF6PBz0Y1QoLI
+					Z3fmX4IsdIaiFH7h73R4s3uXYTx8BUzY369p
+					95jxpMBqMPeFvOaYzeHc4hSqcXIehGwIIUj2
+					XQxZU1wf8ijaDXOBM+Ccei147Njd/VOjhJ0F
+					MG/5EjCkrVLC2IVUO8VMuvpBtji5RNSal6b8
+					0pIZTgEposeT8dbNP8ojzAG15HclFgzjY/Q8
+					90DErfB8UsCtcOz060UKMYKx+zcoYU9KRo2u
+					77b9
+					) ; ZSK; alg = RSASHA512 ; key id = 22916
+			60	DNSKEY	257 3 10 (
+					AwEAAZ4bc3CnvoIGDpDOW2+afYCU7pSIFNzW
+					ueXVOjPRolnxUaJYwLyCIHngpm+9/9stMh+E
+					LBFozA785zPhfqnRaZz1xWMP1D5bHu6SXmpF
+					V88BOnSznEbam/kqzQTrowH2hs3SClFI2wFD
+					QsKytzgnRDFEkysgfbjx8rOQZLRV3HN56z39
+					DgWWC4kz++0FQtp4rZRr0TKgpIXDYJbBxgWn
+					em43xdlCv8qErE2jRfE+gto6bS3Uw71qfFTn
+					XBuvoI2Tfy/cxCa4oeamWYwrfFKbSC0fEykG
+					3YnTrYIqJCEnD8h5191h6GZ0OZ0XGWKD14N3
+					NjXYSjjorqbqUSU01vDxS/8UvCKknmLCTTpN
+					Jm3RvpWM9EIghF3qDDgMgFd/hFlJsBGg1MxQ
+					vGskBg+PdsPDLQZRbpWy+5umLCZ//3Djmok4
+					YnvnaFLeMnRlu0x4vTFtpuEdkwTrGUacOkJu
+					53vH1pofl3WqC4PrPVwsQXNHTJcZTiHnyAN5
+					wM4h6kD47+VKS2888SP49Bi36ypSnZp5bfM9
+					wW3zOgh1oFUKTyknQWOX8Saxr+g3sVBZot7V
+					EpTEeJOWOwdSSRj/K/2UiXI5QJEX4+4aJYxA
+					ak8OJCmixLmcSVsY4MYsK2m9I0Sl6brGn0xG
+					qUa0SBTVw+X3zyybLlsqJV8LX9W7sLeM3OgY
+					st7t
+					) ; KSK; alg = RSASHA512 ; key id = 8161
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					klMRNVbs52XfLa1AZNHlAiQWqzjNjNQ7yuVG
+					9o8sxcAqzrxvdcnISC9CNz867Sw2JKs9dMZi
+					Vv07Jm/f85wN/B9OO63NbxQHgtMAv3lT5isN
+					4xC7NJtDQCPIEKrgPjnznJG1/XiWZudPemv0
+					dpTIMR9fiQHC5Z0I+xqUsRJjlBc4x1tPrPNC
+					9r+YEaQlwKT59pWHTLPpBYZE+0jjNY9wMrhX
+					1uP7gS8z0s0iyldhIgIicccjdRrCCc6EoNnc
+					ToEfWsLMN2HTNCtAAxCHSNTPrC2wriKl4CHi
+					Pqy2AsztfLLkyT+dR/gBLFbjHasp/5O1Y5M+
+					60WywgNr/tbsNzzuSSfcIZ4RM3JhS7cgoZpP
+					MEsumXOyJdTLF9oIZK3QKVjT07eai/KA+Vjt
+					bbkVBvagosE+uCCXhpM4nn0oTfZCZiIoUADr
+					wQ2PuvujEzPbky2BuX7iQGV90G1bcidpS1B8
+					Hm7zrpOjO0mwNyF29YTcJkgelvVOmEaAH3X4
+					+Enmji13kQmWkkc0sUYq9tyX0gTiXjZtz/4I
+					Yl/JOng3/CKS7/In20p1Oea4Sa0GDqtlmK+f
+					YsgaAkCaN1RbZslNDpphgEIKUF8M9YZVaAlE
+					XNqj5HFeqzOAoGNN/rUKKgNWcRynJdHP13gd
+					AoUxJa5FxdxZB4AAk6vfojOFjU7kQyeJlh8= )
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010856 20201023010856 8161 edns512-notcp.
+					Y27v9t6VkOZzuEdGZIr33RTGJ+L4QfWkoCvj
+					9VGdOsj3dWVATqwYoGmlfRqlm6m2L7yhJVTC
+					pI8ihj/Tl7aoROTBnJGO9CkuvXKeGt16LIpi
+					ZBz9FbZ6MPwwjn7uPlm4RR51mscTWdu1Y45e
+					zs/uPxc2qpafl3NnBwcAw9l1VM9f11Ah7+tu
+					WA58niT+GMwKVSB2B0+cDQoP5covZmU3DjgE
+					8CmqwBUF4cElQ4DcGGy6LkWdO2+Yj8ANCsUS
+					DTeE8j7XLVGGurwgwL0TNPA1yntibvl+U+ti
+					vznWlvsV7Mww16j83BrJvEeTVOGthINdtL4P
+					7Pm6U6NUSMJNK2lGB3VucJyLDuuUN3CNNfsb
+					IO+6vBrA/T6UtXaRfv5c5Xnq9dcrbiYW1ar3
+					Ysw6cpGi2Ti2YO5EfG8OfGmHeZXK+OqrTNEn
+					T14ELewVKVEWv4lGiVbddDUq7YmltoYog2Zp
+					DsyahxOgfFLYj32pYIdNRr5HE9c1FwOZXmnz
+					wPp/rB1baf5eNddRxJtDaEo/ek5v+CtWC6Y+
+					eRwBKWN/ozmc5JnNpoJtKSvRlTuGYlKElct0
+					1cS9BmZsu/zAt4kGuNC71758XnVSd1CcwhwA
+					WYEAvrJV2+wr7jpjHvq1tGrCEPppBaelrwut
+					CGfenY08YE/dDMmbFPXMFUHbhtz1qvFiMjU= )
+ns.edns512-notcp.	60	IN A	10.53.0.7
+			60	RRSIG	A 10 2 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					tFjfl9DvT60ko1h9p55T2s5hU4CmmHEYrMUg
+					9Iv+tvW9YoCiHESBC7TkDmdVT8YwzaLDjlTf
+					YxgA5KLhV+04M9m7vUgxK5T4vjiE43VnTq7x
+					L+hM9cvjQ4sKTBJLHmTrKjrcE5fyd0/F3jvF
+					MiomX/8p7PLq2fzZWwygjiOrkd0s7ypFEuoX
+					AjRoxo60q2oV9/8jiKkgiD4+UEIqU/fxURP+
+					1MpNVqks/PXSFVQcyGrQKddiRpp53yYlgcDv
+					/0ulXnxK53dQ3CqymOflJrf7B5H0rq8LQHjK
+					ZO3ys54sWq80jxtxRWNMBvygmHl+LFCes5mL
+					GuB1pFYJq7z026GC6QHbVmOQu5P2pLOr13jW
+					KBwRisr0/BN/no3goGVAP7hJD47r2fr0E8WL
+					K1GJZI2McrHgQW12NnZm43AI2z7xjapbRquB
+					HMeJR8bPfjxEhy555AE0B1AXZobiuZHtycox
+					XBS+A9URAYx78OWAgAENF94rnkKIoSAmMENJ
+					KX29TEHrNLG3MCWxX9mRnMzON+5oTZjOxV8R
+					KIc6Qw/hE93Bho1+3Vdlq8X2Gwu8RswwLBgH
+					e3AnKRHWGTbv6uUwKCVrTyZOQft+yiKxooBr
+					Wz0AgEosnuwenxjw4Tim/Z5NhLnzrJBaSyjo
+					Pt+wguhDW1boaCf/4RYOAZtSNNalGnJNV4k= )
+			0	NSEC	edns512-notcp. A RRSIG NSEC
+			0	RRSIG	NSEC 10 2 0 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					hwvmKC/yVOUavH1cty6pg1EyTNBo+MAz+KjY
+					UmodFwGPv2EuRY/6TcujLTMHdeSbi71e+JQU
+					+ij6TXcXNZl7CpZbBEfVZd8xvTPYykhO3rr8
+					cckPre1p8pGx56x7nVjRA1P/+oyjjr6j1nVZ
+					RewWOrSo/LPah4WY2iyEJH0JF5H/SVrF2Z86
+					XT4YrLqe+1vpeRw0C8VNAJGZbd6H90Qu/Cnd
+					Xdyj1OOl+RQbvJCVpcw6/fFmcNRy5zbQJFA6
+					nsGyCL62OfptdByQKJhSU6gQcaWcMnYeqSgT
+					I3yBye1whQ/2fdgyKUFAESbPRp7WpzXzNabf
+					ZNeLRZT8RGsjHD4i0OqCL+R6axXl53wUn7sa
+					pXWTRBWIKshnTJrzntIkdXLq1qQtxnw7zA6h
+					kUCVzf1FzjP64cHh928CQBbnfT1MSdJuQe1G
+					/RGCn0RwOcn+n06O2uiCBmwkGnrZB/+Yytzp
+					apdULCyUmvByozvKYp73GOK4eTAqNF6igEAc
+					pSz8oXZy+wmVG1l72yli1Eyunm010Skb3oxe
+					23htSPq1MIqETzAWtMJM082F9vAEjTJNSnSo
+					RFpPnlq6LDjtr7Z6/mRcqVXx5OC1nj4Svaxo
+					JOebR0igOJcAKG9gCGz6ffDy/1VeUHCnzvKR
+					vgJZjbvXDuHkOzNB6KYc3N2BglMIxajwVcQ= )
diff --git a/bin/tests/system/legacy/ns7/named.args b/bin/tests/system/legacy/ns7/named.args
new file mode 100644
index 0000000..1da4980
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns7 -X named.lock -g -U 4 -T maxcachesize=2097152 -T maxudp512
diff --git a/bin/tests/system/legacy/ns7/named.conf.in b/bin/tests/system/legacy/ns7/named.conf.in
new file mode 100644
index 0000000..30f3ea2
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "edns512-notcp" {
+	type primary;
+	file "edns512-notcp.db.signed";
+};
diff --git a/bin/tests/system/legacy/ns7/named.notcp b/bin/tests/system/legacy/ns7/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns7/sign.sh b/bin/tests/system/legacy/ns7/sign.sh
new file mode 100755
index 0000000..c2153f9
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/sign.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=legacy
+
+echo_i "sign edns512-notcp"
+
+zone=edns512-notcp
+infile=edns512-notcp.db.in
+zonefile=edns512-notcp.db
+outfile=edns512-notcp.db.signed
+
+keyname1=$($KEYGEN -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -g -o $zone -f $outfile -e +30y $zonefile > /dev/null 2> signer.err || cat signer.err
+
+keyfile_to_static_ds $keyname2 > trusted.conf
+cp trusted.conf ../ns1
diff --git a/bin/tests/system/legacy/ns8/ednsformerr.db b/bin/tests/system/legacy/ns8/ednsformerr.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/ednsformerr.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns8/named.conf.in b/bin/tests/system/legacy/ns8/named.conf.in
new file mode 100644
index 0000000..7431cf8
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsformerr" {
+	type primary;
+	file "ednsformerr.db";
+};
diff --git a/bin/tests/system/legacy/ns8/named.ednsformerr b/bin/tests/system/legacy/ns8/named.ednsformerr
new file mode 100644
index 0000000..e35cb02
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/named.ednsformerr
@@ -0,0 +1 @@
+ednsformerr
diff --git a/bin/tests/system/legacy/ns9/ednsnotimp.db b/bin/tests/system/legacy/ns9/ednsnotimp.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/ednsnotimp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns9/named.conf.in b/bin/tests/system/legacy/ns9/named.conf.in
new file mode 100644
index 0000000..385fbfd
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsnotimp" {
+	type primary;
+	file "ednsnotimp.db";
+};
diff --git a/bin/tests/system/legacy/ns9/named.ednsnotimp b/bin/tests/system/legacy/ns9/named.ednsnotimp
new file mode 100644
index 0000000..4e6424d
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/named.ednsnotimp
@@ -0,0 +1 @@
+ednsnotimp
diff --git a/bin/tests/system/legacy/setup.sh b/bin/tests/system/legacy/setup.sh
new file mode 100644
index 0000000..d2a53bb
--- /dev/null
+++ b/bin/tests/system/legacy/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+copy_setports ns9/named.conf.in ns9/named.conf
+copy_setports ns10/named.conf.in ns10/named.conf
diff --git a/bin/tests/system/legacy/tests.sh b/bin/tests/system/legacy/tests.sh
new file mode 100755
index 0000000..44d3b11
--- /dev/null
+++ b/bin/tests/system/legacy/tests.sh
@@ -0,0 +1,269 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT} +tries=1 +time=2"
+
+# Check whether the SOA record for the name provided in $1 can be resolved by
+# ns1.  Return 0 if resolution succeeds as expected; return 1 otherwise.
+resolution_succeeds() {
+	_ret=0
+	$DIG $DIGOPTS +tcp +tries=3 +time=5 @10.53.0.1 ${1} SOA > dig.out.test$n || _ret=1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || _ret=1
+	return $_ret
+}
+
+# Check whether the SOA record for the name provided in $1 can be resolved by
+# ns1.  Return 0 if resolution fails as expected; return 1 otherwise.  Note that
+# both a SERVFAIL response and timing out mean resolution failed, so the exit
+# code of dig does not influence the result (the exit code for a SERVFAIL
+# response is 0 while the exit code for not getting a response at all is not 0).
+resolution_fails() {
+	_servfail=0
+	_timeout=0
+	$DIG $DIGOPTS +tcp +time=5 @10.53.0.1 ${1} TXT > dig.out.test$n
+	grep -F "status: SERVFAIL" dig.out.test$n > /dev/null && _servfail=1
+	grep -F "timed out" dig.out.test$n > /dev/null && _timeout=1
+	if [ $_servfail -eq 1 ] || [ $_timeout -eq 1 ]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "checking formerr edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.8 ednsformerr soa > dig.out.1.test$n || ret=1
+grep "status: FORMERR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.8 ednsformerr soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to formerr edns server succeeds ($n)"
+ret=0
+resolution_succeeds ednsformerr. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking notimp edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.9 ednsnotimp soa > dig.out.1.test$n || ret=1
+grep "status: NOTIMP" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.9 ednsnotimp soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to notimp edns server fails ($n)"
+ret=0
+resolution_fails ednsnotimp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking refused edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.10 ednsrefused soa > dig.out.1.test$n || ret=1
+grep "status: REFUSED" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.10 ednsrefused soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to refused edns server fails ($n)"
+ret=0
+resolution_fails ednsrefused. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking drop edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.2 dropedns soa > dig.out.1.test$n && ret=1
+grep "timed out" dig.out.1.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns @10.53.0.2 dropedns soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns +tcp @10.53.0.2 dropedns soa > dig.out.3.test$n || ret=1
+grep "status: NOERROR" dig.out.3.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.3.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.2 dropedns soa > dig.out.4.test$n && ret=1
+grep "timed out" dig.out.4.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to drop edns server fails ($n)"
+ret=0
+resolution_fails dropedns. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking drop edns + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.3 dropedns-notcp soa > dig.out.1.test$n && ret=1
+grep "timed out" dig.out.1.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns +tcp @10.53.0.3 dropedns-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns @10.53.0.3 dropedns-notcp soa > dig.out.3.test$n || ret=1
+grep "status: NOERROR" dig.out.3.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to drop edns + no tcp server fails ($n)"
+ret=0
+resolution_fails dropedns-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking plain dns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.4 plain soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.4 plain soa > dig.out.2.test$n
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to plain dns server succeeds ($n)"
+ret=0
+resolution_succeeds plain. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking plain dns + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.5 plain-notcp soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.5 plain-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to plain dns + no tcp server succeeds ($n)"
+ret=0
+resolution_succeeds plain-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking edns 512 server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.6 edns512 txt > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.6 edns512 txt > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec @10.53.0.6 edns512 txt > dig.out.3.test$n && ret=1
+grep "timed out" dig.out.3.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.3.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.6 edns512 soa > dig.out.4.test$n || ret=1
+grep "status: NOERROR" dig.out.4.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.4.test$n > /dev/null || ret=1
+grep "flags:.* tc[ ;]" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 server succeeds ($n)"
+ret=0
+retry_quiet 3 resolution_succeeds edns512. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking edns 512 + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.7 edns512-notcp soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.7 edns512-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec @10.53.0.7 edns512-notcp soa > dig.out.3.test$n && ret=1
+grep "timed out" dig.out.3.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.3.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.7 edns512-notcp soa > dig.out.4.test$n || ret=1
+grep "status: NOERROR" dig.out.4.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.4.test$n > /dev/null || ret=1
+grep "flags:.* tc[ ;]" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp server fails ($n)"
+ret=0
+resolution_fails edns512-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp server does not cause query loops ($n)"
+ret=0
+sent=$(grep -c -F "sending packet to 10.53.0.7" ns1/named.run)
+if [ $sent -ge 10 ]; then
+	echo_i "ns1 sent $sent queries to ns7, expected less than 10"
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+stop_server --use-rndc --port ${CONTROLPORT} ns1
+copy_setports ns1/named2.conf.in ns1/named.conf
+start_server --noclean --restart --port ${PORT} ns1
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp + trust anchor fails ($n)"
+# retry loop in case the server restart above causes transient failure
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    resolution_fails edns512-notcp. || ret=1
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/legacy/tests_sh_legacy.py b/bin/tests/system/legacy/tests_sh_legacy.py
new file mode 100644
index 0000000..ded36f0
--- /dev/null
+++ b/bin/tests/system/legacy/tests_sh_legacy.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_legacy(run_tests_sh):
+    run_tests_sh()