04-18-2022 01:47 AM
User reported that access not working, traffic is hitting to correct rule , action is allow but application is showing incomplete and session end reason is aged-out . sent packet is 1 and received 0
Can anyone tell me what will be the resolution for this ?
04-18-2022 07:17 AM
Hi @p66976 ,
Thank you for the excellent screen shot. "Incomplete means that either the three-way TCP handshake did not complete OR the three-way TCP handshake did complete but there was no enough data after the handshake to identify the application." Most of the time, this is a routing issue where the return traffic does not make it back to the firewall. From your screen shot, you see that you are receiving no return packets.
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClibCAC
https://live.paloaltonetworks.com/t5/blogs/discussion-of-the-week-application-incomplete/ba-p/286965
Thanks,
Tom
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