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IPTables and Securing SSH - Noob Woes
Hi all,
First LET post and i'm being a bit of a noob struggling with some SSH iptable rules on one of the Host1Free VPS's (running Debian 6 2.6.32; iptables 1.4.8); i know it's not great but it's ok to tinker with before i go with a decent provider.
I've started to use ilevkov's LEB script and haven't had any issues using it on my debian VM's up until now where it fails (on the first two lines below) on the SSH rules (port is just an example) under the Host1Free VPS -
-A INPUT -p tcp -m tcp --dport 1234 -m state --state NEW -m recent --set --name DEFAULT --rsource -A INPUT -p tcp -m tcp --dport 1234 -m state --state NEW -m recent --update --seconds 120 --hitcount 3 --name DEFAULT --rsource -j DROP -A INPUT -p tcp -m state --state NEW --dport 1234 -j ACCEPT
I've tried variations of the above rules but i'm getting no where. So can anyone shed some light or point in the right direction to what is wrong with the rules?
Cheers all!
Comments
I think you need to contact your provider to enable ipt_recent module to make this work.
Looks like you could be right! Checked the installed modules and RECENT wasn't listed so i assume that is the problem.
Cheers anyway.