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Document the special loopback address behaviour of jails.

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PR:		kern/103464
Submitted by:	brueffer (correct markup)
Reviewed by:	brueffer
MFC after:	2 weeks
This commit is contained in:
bz 2009-01-06 18:10:17 +00:00
parent 4d7a485a52
commit 70a6427140
1 changed files with 7 additions and 1 deletions
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8
lib/libc/sys/jail.2
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@ -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 :