Date: Wed, 7 Dec 2016 16:22:29 +0000 From: Arthur Chance <freebsd@qeng-ho.org> To: markham breitbach <markham@ssimicro.com>, freebsd-questions@freebsd.org Subject: Re: Closed port 22 in the jail redirects to the outer system Message-ID: <4af43340-9711-d303-e97c-ef6142395010@qeng-ho.org> In-Reply-To: <e28ad23b-1a55-c23a-de30-8738302cd9ca@ssimicro.com> References: <20161207002440.GA26711@becker.bs.l> <e28ad23b-1a55-c23a-de30-8738302cd9ca@ssimicro.com>
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On 07/12/2016 15:52, markham breitbach wrote: > On 2016-12-06 5:24 PM, Bertram Scharpf wrote: >> >> How can I make a port 22 request fail if an SSH server is >> running on the outer machine but not inside the jail? >> >> >> > By default sshd on the jail host (outer machine) will bind to all > available addresses. You can just set the listenAddress for sshd to be > the IP address that you want it to listen to in /etc/ssh/sshd_config and > restart sshd. This is all documented in the "Setting up the Host Environment" section of the jail(8) man page. It's worth looking at that because other daemons may be affected. -- Schrödinger's cat had 18 half lives.
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