Re: sshd port config and security
* Jean-Marc Boursot <email@example.com> [010406 21:09]:
> They allow telnet and not ssh? Nice!
yeah, afraid of the port-forwarding capabilities in ssh. i can see
their point but i'm just as leery of clear-text transmission. oh, well.
> So you can turn it off.
should of thought of that myself. :)
> What about portmap? You can turn it off either and filter port 25 if
> you have a mail daemon running. In fact, you can drop all external tcp
> connections to ports below 1024 (except 23), and drop all SYN
> connections to ports above 1024. You can also filter ICMP. Check
> gShield (http://linuxmafia.org/~godot/gshield.html): it has very
> restrictive rules.
i've already disabled portmap and mail demon too. i guess i should look
into setting up a firewall on my debian box. i already have iptables
installed. just need to recompile my kernel to support it. i just keep
thinking that it's overkill to have my hw firewall and then another
firewall set up in software on my box.
thanks for the advice,