IPS vs Firewall

["Benny Late" <lvmygop () hotmail com>]

List,

I am to give a presentation concerning IPS vs. IDS and why we have decided 
to implement an IPS solution.  I have stuff about each of those, but my big 
problem is going to come from my LAN/WAN group.  Because I've decided to 
place the IPS outside the firewall, they have already moaned about it and I 
know they're going to bring up why we need IPS vs. Firewall.  I have stuff 
about what firewalls don't look for or do compared to IPS.

My question is, how would you go about showing that firewalls or BigIP 
routers can be attacked directly?  For those of you concidering IPS, can you 
impart any of the knowledge gained by implementing your solutions?

Many thanks,
Benny

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