Flow closed by inspection ASA 5525

[NIKHIL M K]

Hi Guys

Could you please find the attachment and advise, getting error like Flow closed by inspection ASA 5525. We are having 9.12(4)24 on our ASA 5525. Only have default service policies. 

[MHM Cisco World]

can you more elaborate and topology if you can ?

[NIKHIL M K]

Hi 

We have multiple VPN for multiple customer and connects via internet then customer will access our internal server. Only one customer reported this issue.

[Sheraz.Salim]

looking into your provide photo. its seem the TCP FIN is initiated could be an server or client.

[Sheraz.Salim]

This sounds like you have an inspect configured for this type of traffic. Check your inspection rules, in ASDM that's under configuration -> Firewall -> Service Policy Rules.