Linux is certainly safer than M$, but not immune. I have 2 Linux servers, and we are starting to see more exploits targeted at Linux. You may wish to look in to Clam AV. I believe it is available through the Ubuntu repository. We use a black list on most of our managed forums and it seems to help. Since we use phpBB and vbulletin, I am not that familiar with IPS, however http://community.invisionpower.com/resourc...html?record=185 may be a useful link Good luck with the Spammers