Can't ping in jail

Matthew Seaman matthew at
Sun Dec 4 11:29:22 UTC 2016

On 04/12/2016 01:59, Ernie Luzar wrote:
> This post sheds a lot light on your problem. ezjail uses the legacy
> method with definition statements in /etc/rc.conf and qjail uses the
> modern way using /etc/jail.conf. qjail is a fork of ezjail so many
> things will feel the same moving to qjail. The ezjail and qjail
> directory tree is named differently and use different internal control
> files so you would have to build your qjail jails anew. qjail and ezjail
> can both run on the same host at the same time just using different jail
> ip addresses.
> Both methods have statements for enabling  allow_raw_sockets on a jail
> by jail basis which is the way it should be done. The sysctl nib has to
> be issued on the host were the jails are, not the gateway host connected
> to the public network.
> ezjail requires manual starting and stopping of ip alias for the jail.
> qjail does all that for you without you having to take any actions.
> there is a qjail version for 9.x systems, but its out dated and at EOL.

The jail management system that has been attracting a lot of attention
and favourable comment recently is iocage.  The original version was
written in /bin/sh and this is what is in ports as sysutils/iocage or
sysutils/iocage-devel.  The authors are intending to rewrite it in a
different language though.

It does, however, require you to use ZFS, since it stores all the
configuration into it needs as ZFS properties.



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