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ASA 5510 HTTPS Filtering Bog Down

I am running a Cisco ASA 5510 with Trend Micro Interscan. We have it set up to filter https except for a handful of sites. It is filtering the ones we don't want ie: facebook, and youtube. Though it is causing all other https to slow to a crawl. Therefore some sites it times out on us. What should we be looking for to change so it isn't slowing the allowed sites down?

Version numbers

ASA - 8.4(3)

ASDM - 6.4(3)

Trend - 6.6.1125

Cisco Employee

ASA 5510 HTTPS Filtering Bog Down

Hi Ron,

A couple of basic things to check:

1. The ASA's inspection policy should not be configured to match traffic from the CSC module's management IP address

2. The policy should also not match any traffic other than the protocols you want to filter

3. None of the CSC module's debug logs should be enabled

4. The ASA should not send more traffic to the CSC module than it can handle:

If the above suggestions don't help, I would suggest opening a TAC case to have this investigated further.


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