On Tue, 2004-10-12 at 19:57, Mike Burger wrote: > On Tue, 12 Oct 2004, Rick Lim wrote: > > > I have a friend that has a few boxes directly on the internet, which he > > thinks are being access by unwanted "visitors". > iptables, on the system in question, should be sufficient. And if he suspects the systems have been accessed by unknown visitors he needs to take the machines off the network and rebuild them from scratch. There is no good way to be 100% sure the systems do not contain a back door installed by those same users. -- Scot L. Harris webid@xxxxxxxxxx Lack of skill dictates economy of style. - Joey Ramone