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Session reset for appilcation

Hi there i have an application in my DMZ wich connects the my server in on the local lan. We use a pix 515E. The thing is that from time to time the connection to the server on the lan is reset. the from the application i have to try 3 times before the connects gets up again. het is what is see in the log of the pix

Any suggestions how to fix this?

Jan 28 14:25:41 SRT: %PIX-6-302013: Built inbound TCP connection 776121 for outside:10.100.10.92/4058 (10.100.10.92/4058) to inside:10.10.10.1/8476 (10.100.10.100/8476)

Jan 28 14:25:41 SRT: %PIX-6-302014: Teardown TCP connection 776121 for outside:10.100.10.92/4058 to inside:10.10.10.1/8476 duration 0:00:01 bytes 326 TCP FINs

2 REPLIES
New Member

Re: Session reset for appilcation

Hi,

Connection is being torn down because one of the ends is setting FIN flag on the TCP packet. This is not, however, an issue w/ the firewall.

You may run some traffic captures in order to determine which end is sending the FIN packet. Here's a good link for captures example:

http://www.computernetworkinghelp.com/content/view/40/1/

New Member

Re: Session reset for appilcation

Hi juarez,

Thanks for your reply. Do you know by any chance what can cause on of the ends to send a FIN flag in the packet. Are there some reasons to that?

Thanks

Greg

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