[wellylug] iptables - ssh
Mark Signal
mark at databackup.co.nz
Wed Sep 21 08:41:13 NZST 2005
Hi
Can anyone point me to some info for this please.
I have 2 debian servers which remote users connect to via ssh. They have no
shell and only do port forwarding. I can control the ports that they can
make connections to via their authorized keys file however this doesn't
prevent them from setting up listening connections - i.e. allowing them to
receive connections from other processes. While this represents a minor risk
I would ideally like to limit each user to be able to listen on just one
unique port each. Can iptables do this or is anyone aware of any other way
of doing this?
regards
Mark Signal
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