I recommend to read this: http://www.sans.org/ddos_roadmap.htm to understand
the problem

and follow the instructions on:

http://www.sans.org/dosstep/index.htm

I implemented the packet filter on our Cisco routers, but I suppose you can
apply the rules to the FW-1 in a similar fashion.

Regards
Andy



Von: Ophir Uzan > 
[mailto:[EMAIL PROTECTED]]
Gesendet am: Dienstag, 20. > 
M�rz 2001 17:19
An: Mailing List FW1 (E-mail)
Betreff: [FW1] 
ddos


how ca> n you prevent DOS and DDOS in your network ?
do you need 
rules in your f> w ?
         __^__
         /(o o)\
-oOO==(_)==OOo- 
Yours...

Ophir Uzan
PC & Network Support
IBM Gl> o> > > > > > > > bal Services
<http://i.am/ophir> 

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