Detecting brute force attacks

I wrote a script to detect brute force attacks by watching log files.

If you want to try it it is here: 
http://www.ducksfeet.com/nic2/secwatch/index.html

-- 
Rock is dead! Long live paper and scissors! 
Nic Stevens (nic dot stevens at gee mail daught com) -- http://www.ducksfeet.com/nic