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Date: Fri, 23 Mar 2007 13:49:12 +0100
From: Karol Kwiatkowski <karol.kwiat@gmail.com>
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To: Robin Becker <robin@reportlab.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: ezjail ip conflicts
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Robin Becker wrote:
> I'm getting these ip conflicts whilst trying to create a jail
>=20
> ezjail-admin create ....xxx.xxx.xxx.27
>=20
> Warning: IP xxx.xxx.xxx.27 not configured on a local interface.
> Warning: Some services already seem to be listening on all IP,
> (including xxx.xxx.xxx.27)
>   This may cause some confusion, here they are:
> mysql    mysqld     505   10 tcp4   *:3306                *:*
> root     syslogd    291   6  udp4   *:514                 *:*
>=20
>=20
> my rc.conf has
>=20
> ifconfig_fxp0=3D"inet xxx.xxx.xxx.26  netmask 255.255.255.248"
> defaultrouter=3D"xxx.xxx.xxx.25"
> inetd_flags=3D"-wW -a xxx.xxx.xxx.26"
>=20
>=20
> so I believe the xxx.xxx.xxx.27 address is OK, but I guess I need to
> make mysqld and syslogd listen only on xxx.xxx.xxx.26. I don't actually=

> understand what's preventing sshd from listening on all the addresses i=
n
> range unless it's the inetd flags, but I thought sshd is started by ini=
t
> nowadays.

If you're using sshd as a daemon have a look at "ListenAddress"
directive in /etc/ssh/sshd_config. You can have multiple of those.


> Anyhow I think I can fix the mysqld problem by having
>=20
> mysql_args=3D"--bind-address=3Dxxx.xxx.xxx.26"
>=20
> in the rc.conf, but I don't see any easy way to configure syslogd to
> start with a -b xxx.xxx.xxx.26

How about adding 'syslogd_flags' in /etc/rc.conf? Those are the defaults:=


# grep syslogd /etc/defaults/rc.conf
syslogd_enable=3D"YES"            # Run syslog daemon (or NO).
syslogd_program=3D"/usr/sbin/syslogd" # path to syslogd
syslogd_flags=3D"-s"              # Flags to syslogd (if enabled).

Also, if you don't need it to bind at all it's better to use '-ss'.


> how do I fix this or perhaps I don't need to?

You could filter traffic at firewall but it's always better to have a
simpler setup.

HTH,

Karol

--=20
Karol Kwiatkowski   <karol.kwiat at gmail dot com>
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