On Thu, 2004-09-16 at 09:34, Dale Sykora wrote: > Do you know > of any SIPTO type program or script? SIPTO (which I just made up) means > Source IP Time Out (think child behavior deterant). It would watch the > logs for admin defined bad behavior from a connecting IP and then > temporarily ban that IP (time-out via iptables) for 15 minutes or so > after 3 occurances in a given time frame. For example, SME server adds > a denylog line to /var/log/messages when an external IP tries to connect > to a closed port. I would like something to watch this 'tail -f?' and > add an iptables rule to drop all connections from this IP address for a > short time frame (extendible if other attemps are made). I would like > this to be generic enough to shut down access to zombies that try and > send viruses thru my email server, or systems that think I run IIS and > look for cmd.com/etc... as well. Someone it the past mentioned an IDS, > but that seems CPU/network intensive. I simple want to watch the logs > and block the bad/zombie machines that tend to fill the logs. Wouldn't portsentry do that? Then again, portsentry would only determine if a port which is marked as "secure" shouldn't be touched by anyone except a allowed list, and will deny that IP dynamically. On the other hand, there's swatch which will watch the logs for you based on regex expressions and I guess you can write a script for it to parse when it detects malware -- Ow Mun Heng Fedora GNU/Linux Core 2 on D600 1.4Ghz CPU kernel 2.6.7-2.jul1-interactive Neuromancer 10:39:42 up 1 day, 1:23, 6 users, load average: 0.56, 0.52, 0.68
