Alexandru E. Ungur spake the following on 3/20/2006 3:33 AM: > Hi all, > > I appologise in advance if this is a little OT, but I am building > a box that will serve as firewall and router for a small 'internet > cafe / netcafe' and am using CentOS... > > So here it is: > What are the best tools to be used for keeping the potential > script kiddies from 'harming the Internet' :) ? I specifically want > to be able to detect and prevent portscans from LAN to Internet, and > any other malware activity the clients might think of. > > I am particularily interested in 'the CentOS way'. For example I > know there is psd module in patch-o-matic for iptables to be able > to do the portscan detection in firewall... but, that doesen't > feel like 'CentOS way' (because I have to build a cusom kernel) > unless there is some kernel (even 3rd part, unsuported/etc.) that > already has this in... > > Also I know of the portsentry tool, but the project seems pretty much > dead after Cisco bought Psyonic... and again is not on up2date's list... > > I intend to use Snort, though I hope that it won't share portsentry's > fate and become extinct after Check Point's acquisition of Sourcefire > will be completed. No FUD intended on this, optimistic views are always > highly welcomed :) > > Luckily denyhosts has no plans of selling itself to anyone so that's > one project I can safely use :) > > So, Open Source portscaner for CentOS... anyone... ? :) > > > Thank you for your time and help, > > With respect, > Alex Why not use a firewall distro? You could even use ClarkConnect, which is based on CentOS 4. I use it at home and I love it! You can even bandwidth limit ip ranges, and add anything CentOS.