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Diffstat (limited to '')
| -rw-r--r-- | man5/hosts.equiv.5 | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/man5/hosts.equiv.5 b/man5/hosts.equiv.5 index a9521da..b8ff0f6 100644 --- a/man5/hosts.equiv.5 +++ b/man5/hosts.equiv.5 @@ -1,7 +1,7 @@ .\" Copyright (c) 1995 Peter Tobias <tobias@et-inf.fho-emden.de> .\" .\" SPDX-License-Identifier: GPL-1.0-or-later -.TH hosts.equiv 5 2023-02-05 "Linux man-pages 6.05.01" +.TH hosts.equiv 5 2023-10-31 "Linux man-pages 6.7" .SH NAME hosts.equiv \- list of hosts and users that are granted "trusted" .B r @@ -17,11 +17,11 @@ or .BR rcp ) without supplying a password. -.PP +.P The file uses the following format: .TP \fI+|[\-]hostname|+@netgroup|\-@netgroup\fP \fI[+|[\-]username|+@netgroup|\-@netgroup]\fP -.PP +.P The .I hostname is the name of a host which is logically equivalent @@ -39,7 +39,7 @@ Users from that host must always supply additional credentials, including possibly a password. For security reasons you should always use the FQDN of the hostname and not the short hostname. -.PP +.P The .I username entry grants a specific user access to all user @@ -57,9 +57,9 @@ with a minus (\-) sign. This says that the user is not trusted no matter what other entries for that host exist. -.PP +.P Netgroups can be specified by preceding the netgroup by an @ sign. -.PP +.P Be extremely careful when using the plus (+) sign. A simple typographical error could result in a standalone plus sign. @@ -72,7 +72,7 @@ Some systems will honor the contents of this file only when it has owner root and no write permission for anybody else. Some exceptionally paranoid systems even require that there be no other hard links to the file. -.PP +.P Modern systems use the Pluggable Authentication Modules library (PAM). With PAM a standalone plus sign is considered a wildcard character which means "any host" only when the word @@ -86,124 +86,124 @@ Below are some example or .I \[ti]/.rhosts files. -.PP +.P Allow any user to log in from any host: -.PP +.P .in +4n .EX + .EE .in -.PP +.P Allow any user from .I host with a matching local account to log in: -.PP +.P .in +4n .EX host .EE .in -.PP +.P Note: the use of .I +host is never a valid syntax, including attempting to specify that any user from the host is allowed. -.PP +.P Allow any user from .I host to log in: -.PP +.P .in +4n .EX host + .EE .in -.PP +.P Note: this is distinct from the previous example since it does not require a matching local account. -.PP +.P Allow .I user from .I host to log in as any non-root user: -.PP +.P .in +4n .EX host user .EE .in -.PP +.P Allow all users with matching local accounts from .I host to log in except for .IR baduser : -.PP +.P .in +4n .EX host \-baduser host .EE .in -.PP +.P Deny all users from .IR host : -.PP +.P .in +4n .EX \-host .EE .in -.PP +.P Note: the use of .I "\-host\ \-user" is never a valid syntax, including attempting to specify that a particular user from the host is not trusted. -.PP +.P Allow all users with matching local accounts on all hosts in a .IR netgroup : -.PP +.P .in +4n .EX +@netgroup .EE .in -.PP +.P Disallow all users on all hosts in a .IR netgroup : -.PP +.P .in +4n .EX \-@netgroup .EE .in -.PP +.P Allow all users in a .I netgroup to log in from .I host as any non-root user: -.PP +.P .in +4n .EX host +@netgroup .EE .in -.PP +.P Allow all users with matching local accounts on all hosts in a .I netgroup except .IR baduser : -.PP +.P .in +4n .EX +@netgroup \-baduser +@netgroup .EE .in -.PP +.P Note: the deny statements must always precede the allow statements because the file is processed sequentially until the first matching rule is found. .SH SEE ALSO |