[CentOS] filtering ssh regardless of the port

Bazy bazy at goofy.celuloza.ro
Tue Sep 18 20:22:54 UTC 2007


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Hello gentlemen and lady's,


I am trying to filter ssh traffic regardless of the port the connection
is opened on. I want to do the same for rlogin and telnet. I know it
would be easier to use a proxy server and only allow users to access the
web... but it's more complicated... they also need other ports open...
and they use public IP addresses.

Is there any way that I can do it with iptables without having to patch
the kernel and iptables with l7-filter.sourceforge.net?

Thank you for your time.
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