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Date: Mon, 9 Apr 2012 12:07:14 -0500
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From: Mark Felder <feld@feld.me>
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Subject: Re: Jail source address selection broken, patch for ping
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On Mon, 09 Apr 2012 11:50:35 -0500, Juan F. D=C3=ADaz y D=C3=ADaz =20
<jfd@mrecic.gov.ar> wrote:

> Mark, did you tried using the setfib utility?

No, and even if that could have helped I would probably have to modify =
our =20
monitoring software (Xymon/Hobbit/BigBrother) in undesirable ways to =
have =20
it launch every child process with setfib. This would certainly be a =
nasty =20
hack and honestly networking should "just work" from within a jail; =20
utilities shouldn't have to be tricked into working with a jail's =
network =20
stack.

Here's the results of trying setfib, though:

root@xymon:/# setfib 0 fping 192.168.xxx.1    (censored for our privacy)
setfib: setfib: Function not implemented

Do you have to set some sysctl to get setfib to work in a jail, or does =
it =20
just not work in jails period?