[CentOS] Make sshd log IP addresses, not hostnames
Filipe Brandenburger
filbranden at gmail.com
Wed Jun 24 03:23:17 UTC 2009
On Tue, Jun 23, 2009 at 19:02, Scott Moseman<scmoseman at gmail.com> wrote:
> While I did change the config entry and it is logging IP addresses,
> apparently that's not my problem. Even when using legit IP addresses my
> iptables rejects aren't working? I guess that means its not a
> forward/reverse DNS problem causing my issue. I have to use /etc/hosts.deny
> to stop some of the ssh attacks. Very weird.
If you want some help to diagnose your iptables config, please give
some details on what the config is (output of "iptables -nvL" is a
good start) and which specific case makes you think it is not working.
If you want good tips on how to secure SSH, please do also check this wiki page:
http://wiki.centos.org/HowTos/Network/SecuringSSH
HTH,
Filipe
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