IPtables help? (noob)

[LTeeple]

Hi all, thanks for taking the time to read this.

I am becoming more and more concerned with security on my test development web server, and would like some advice.

I am a linux noobie, but have learned enough to set up my own server, which seems pretty secure. I have been going over the access and error logs and have found many many attempts at gaining unauthorized access originating from consistent IP addresses. Although these attacks have failed, I would like to find out if there is a way of completely banning those IP addresses from any sort of connection with my server. Can iptables do the job?

If yes, can someone point me towards a dummied down version that might talk me through the process of enhancing my security?

Thanks again for your time folks!



Cheers!
Laura

 

[marsd]

Hey Laura.

There are plenty of good, canned, FW scripts for iptables
out there. I always suggest learning the basics first.
Read through the iptables man pages and look at this:

http://www.fifi.org/doc/iptables/html/packet-filtering-HOWTO-1.html

 

[ericbrunson]

I would recommend taking a look at fwbuilder on sourceforge. I'm a very experienced admin and I like the convenience and flexibility of having a gui that can handle configs for inter-related firewalls.