Mark W. Breneman wrote:
> IPSec policies do a good job of Packet Filtering, but they don't do packet
> inspection. (Unless I really missed something.)

Correct.


> I am looking for a firewall that will block stuff like SQL injection attacks
> and buffer overflows. 

Forget it. Stopping SQL injection attacks at that level is like 
playing 'I know more about SQL then you do'. It is a 
fundamentally wrong strategy, you should not look to filter out 
invalid input, but to allow valid input:
http://www-106.ibm.com/developerworks/linux/library/l-sp2.html

Jochem

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