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Pix 515 running OS7.04 connection problems

jercollins
Level 1
Level 1

I am getting Denys with a no connection error listed. The error lines are (the IPs have been changed to protect the innocent):

Apr 04 2006 11:47:19 nybetbpc001-p01 : %PIX-6-106015: Deny TCP (no connection) from 110.x.x.36/9488 to 110.x.x.114/2381 flags SYN ACK on

interface outside

Apr 04 2006 11:47:22 nybetbpc001-p01 : %PIX-6-106015: Deny TCP (no connection) from 110.x.x.36/9488 to 110.x.x.114/2381 flags ACK on inte

rface outside

Apr 04 2006 11:47:22 nybetbpc001-p01 : %PIX-6-106015: Deny TCP (no connection) from 110.x1.x.36/9488 to 110.x.x.114/2381 flags SYN ACK on

interface outside

Apr 04 2006 11:47:28 nybetbpc001-p01 : %PIX-6-106015: Deny TCP (no connection) from 110.x.x.36/9488 to 110.x.x.114/2381 flags ACK on inte

rface outside

Apr 04 2006 11:47:28 nybetbpc001-p01 : %PIX-6-106015: Deny TCP (no connection) from 110.x.x.36/9488 to 110.x.x.114/2381 flags SYN ACK on

interface outside

I have added static statements and done all I can think of to clear this and allow the connects. I have opened up the acls to permit IP since this is an internal development device. Can anyone give me a line to follow?

Thanks,

Jerry

2 Replies 2

a-vazquez
Level 6
Level 6

This message is logged when the firewall discards a TCP packet that has no associated connection in the firewall unit's connection table. The firewall looks for a SYN flag in the packet, which indicates a request to establish a new connection. If the SYN flag is not set, and there is not an existing connection, the firewall discards the packet.

In some instances if the connection timesout after a little bit but the application still thinks that its up then we can change the Default connection timeout through the PIX to something higher then the default of One hour.

I believe there is a bug on this. Check out some earlier posts on similar issues.

I believe the bug ID is CSCef38784.

DC

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