I am interested in general discussion about how to do this and if it is possible with ASGs.
Some firewall products allow the use of specialty servers that are designed to manage/monitor/police one protocol and pass a message back to the main (controlling) firewall that the packet is safe to pass or should be blocked or dropped.
Could a small ASG running only packet filtering pass the HTTP management over to big ASG running only the HTTP proxy, same with the SMTP and the POP3 proxies etc etc.
The down side is each box would a need seperate licence, so I expect for a medium size company a bigger gruntier box is the answer.
But anyway just surmise.
Ian M
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