security: March 2004 Archives

SecurityFocus has posted a nice survey of anti-spam technologies by spam expert Neal Krawetz, in which he delves deeply into the specifics and pitfalls of the numerous proposed solutions. Krawetz makes it obvious that securing the email infrastructure is a very complex problem that many of the current (simple) solutions can't solve alone.

David Barroso Berrueta has put together a list of rules and tools you can use to defeat Nmap OS fingerprinting. He's found several mechanisms on various OS flavors, and even shows simple rules to use in PF to defeat fingerprinting attempts.