On Mon, June 26, 2006 13:02, tyche wrote: > over the last few days, my server has been attacked. i would like to limit > remote logon attempts by address so that if someone tries to logon from an ip > address and fails 3 times, my computer will ignore repeated attempts from that > ip address. any idea how to make a rule for this? What type of logon? SSH, telnet, ...? There is a Netfilter authentication project called NuFW. You can find it at: http://www.nufw.org/index.php3?lang=en. Maybe it can help you accomplish what you need. Gr, Rob