diff options
Diffstat (limited to 'src/resolve/resolved-dns-packet.c')
| -rw-r--r-- | src/resolve/resolved-dns-packet.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index e626740..e446461 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -1804,9 +1804,9 @@ int dns_packet_read_rr( if (r < 0) return r; - /* RFC 2181, Section 8, suggests to - * treat a TTL with the MSB set as a zero TTL. */ - if (rr->ttl & UINT32_C(0x80000000)) + /* RFC 2181, Section 8, suggests to treat a TTL with the MSB set as a zero TTL. We avoid doing this + * for OPT records so that all 8 bits of the extended RCODE may be used .*/ + if (key->type != DNS_TYPE_OPT && rr->ttl & UINT32_C(0x80000000)) rr->ttl = 0; r = dns_packet_read_uint16(p, &rdlength, NULL); |