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From: jon (jonsteelrat.dyndns.org)
Date: Thu Oct 11 2001 - 18:44:33 CDT
On Thu, Oct 11, 2001 at 07:21:01PM -0400, Leif Madsen wrote:
> I'm in the process of learning how to secure up my linux system. If I do a
> port scan, it says that the ports are closed, but are sending back replies.
> I want to setup a firewall which will not send back any replies so that it
> looks like my computer is a black hole (including not returning "ping"
> requests). I'm wondering what a good firewall to do this is, and what a good
> port scanner is so that I can scan to make sure nothing is returned.
> I currently have LogSentry and PortSentry installed, as well as Tiny
> Firewall. Any and all idea's appreciated.
> Thanks in advance.
Host based IDS:
Port scanner, network multi-tool:
Linux is a great firewall...
Check out 'iptables':
Or stick with 'ipchains':
Just a few of my favorites... sorry it seems it ran long.... ;)
> Leif Madsen - Project Manager
> Registered Linux User #209104
> Current Linux Uptime for chmod.petrolia.net
> 7:05pm up 1 day, 2:13, 2 users, load average: 0.01, 0.00, 0.05