https://community.cisco.com/t5/network-security/sourcefire-to-block-application-protocol-mark-as-unknown/m-p/2973464#M1029163 <P>Hi all</P> <P></P> <P>Checking from the event log, how do i block the traffic application protocol mark as Unknown?</P> <P></P> <P>Is it create a access control policies or stop by Intrusion policy?</P> <P></P> <P>Thanks</P> <P></P> <P>Noel</P> Tue, 12 Mar 2019 13:11:48 GMT yong khang NG 2019-03-12T13:11:48Z https://community.cisco.com/t5/network-security/sourcefire-to-block-application-protocol-mark-as-unknown/m-p/2973464#M1029163 <P>Hi all</P> <P></P> <P>Checking from the event log, how do i block the traffic application protocol mark as Unknown?</P> <P></P> <P>Is it create a access control policies or stop by Intrusion policy?</P> <P></P> <P>Thanks</P> <P></P> <P>Noel</P> Tue, 12 Mar 2019 13:11:48 GMT https://community.cisco.com/t5/network-security/sourcefire-to-block-application-protocol-mark-as-unknown/m-p/2973464#M1029163 yong khang NG 2019-03-12T13:11:48Z