Access-List 0x00000000 - 0x00000000 - 0x00000000

Scrutinizer is an enterprise/business class NetFlow and sFlow analysis tool. Scrutinizer provides historical trends of the company's critical network interfaces as well as the details on:

Who: The end system causing the traffic
What: The application/protocol that is being used
When: The time frame it has been occurring for
Where: The network connection that is affected

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Access-List 0x00000000 - 0x00000000 - 0x00000000

Post by jburton1103 » Mon Dec 11, 2017 3:47 pm

Hello All,

This is my first post so apologies if this has already been covered. I tried searching key words but wasn't able to identify previous threads.

My Scrutinizer is alerting me on denied flows reported by my ASA.
I've read how to identify and correlate the Hex representations of access lists.
However, the access-list that is being reported as doing the outbound blocking is 0x00000000 - 0x00000000 - 0x00000000.
At first I thought these may be the flows that my FirePower told the ASA to block, but the traffic that is being reported as denied by scrutinizer, isn't actually blocked, nor should it be.

Has anyone else experienced this? Can anyone tell me what ACL 0x0 is?

Thank you in advance!

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