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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Tue, 6 Jan 2009 18:10:17 +0000 (UTC)
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Subject: svn commit: r186834 - head/lib/libc/sys
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Author: bz
Date: Tue Jan  6 18:10:17 2009
New Revision: 186834
URL: http://svn.freebsd.org/changeset/base/186834

Log:
  Document the special loopback address behaviour of jails.
  
  PR:		kern/103464
  Submitted by:	brueffer (correct markup)
  Reviewed by:	brueffer
  MFC after:	2 weeks

Modified:
  head/lib/libc/sys/jail.2

Modified: head/lib/libc/sys/jail.2
==============================================================================
--- head/lib/libc/sys/jail.2	Tue Jan  6 17:23:37 2009	(r186833)
+++ head/lib/libc/sys/jail.2	Tue Jan  6 18:10:17 2009	(r186834)
@@ -8,7 +8,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 29, 2008
+.Dd January 6, 2009
 .Dt JAIL 2
 .Os
 .Sh NAME
@@ -118,6 +118,12 @@ or, if present, the per-jail
 .Pp
 All IP activity will be forced to happen to/from the IP number specified,
 which should be an alias on one of the network interfaces.
+All connections to/from the loopback address
+.Pf ( Li 127.0.0.1
+for IPv4,
+.Li ::1
+for IPv6) will be changed to be to/from the primary address
+of the jail for the given address family.
 .Pp
 It is possible to identify a process as jailed by examining
 .Dq Li /proc/<pid>/status :