> Every deny spawns my script, my script determines if it's a true attack and
> can take counter measures like email me and then shutdown the firewall
> etc.etc..

=> DOS

while true;do send_data_which_will_run_your_script;done;

should run _many_ scripts, if not, it could be parallelized.

> Other ways is to run snort or portsentry and others.. I'm happy with my
> script.. it's activated once only because I forgot to allow my VPN user to
> get through... ;) Oops.. Blocked him for a while..

portsentry, which blocks ips => DOS

for a in `seq 1 1000`;do
send_data_which_will_trigger_postsentry_from_spoofed_ips;done;

where spoofed ips are google.com etc, it may include ips from your
network.

-- 
Martin Tomasek, [EMAIL PROTECTED]
BOFH excuse #49:
Bogon emissions

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