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access-list permitted 99?

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solvesky

IS-IT--Management
Jul 7, 2006
2
US
My firewall is logging the following traffic:

access-list inbound denied 99 outside/y.y.y.y(0) -> inside/x.x.x.x(0) hit-cnt 1

The log looks similar to traffic coming across protocol 50 (esp), but I can't find any information on protocol 99.

Does this traffic look familiar to anyone?
 
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