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Question 301 - PCNSE discussion

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Why would a traffic log list an application as "not-applicable"?

A.
The firewall denied the traffic before the application match could be performed.
Answers
A.
The firewall denied the traffic before the application match could be performed.
B.
The TCP connection terminated without identifying any application data
Answers
B.
The TCP connection terminated without identifying any application data
C.
There was not enough application data after the TCP connection was established
Answers
C.
There was not enough application data after the TCP connection was established
D.
The application is not a known Palo Alto Networks App-ID.
Answers
D.
The application is not a known Palo Alto Networks App-ID.
Suggested answer: A

Explanation:

According to the documentation, not-applicable means that the Palo Alto device has received data that will be discarded because the port or service that the traffic is coming in on is not allowed, or there is no rule or policy allowing that port or service. This occurs because the traffic was dropped or denied before the application match could be performed. Reference: 1 Not-applicable in Traffic Logs Palo Alto Networks 2 Not-Applicable, Incomplete, Insufficient Data in the Application Field - Palo Alto Networks

https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClspCAC

asked 23/09/2024
Jesse Serrano
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