[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [FW1] ssh connections lost
The best explanation of this problem is: http://www.phoneboy.com/fw1/faq/0408.html What version of fw1 are you using? Cheers, Craig ----- Original Message ----- From: "corne" <[email protected]> To: <[email protected]> Sent: Tuesday, February 06, 2001 3:36 AM Subject: RE: [FW1] ssh connections lost > > it's not just ssh, also telnet, oracle, etc. > > cheers > corne > > > I have a situation where ssh connections from inside the fw dies some > > arbitrary time after they were started. > > > > Doing a sniff on the network (both sides of the fw) reveals > > the following: > > packets happily flow from the client to the server. At some > > stage the client > > sends another packet, at which point the server doesn't > > respond. This is the > > stage where the ssh connection is now dead. The client now > > sends a bunch of > > retransmits, thinking that the session is still up. > > > > After the session drops, I see dropped packets in the fw log, > > with the error > > "unknown established tcp packet". This would indicate that > > the fw no longer > > has an entry in its state table for that connection. > > > > But why would the connection disappear from the table? From a > > network sniff, > > there is no indication that a reset or fin is sent, or > > anything like that. > > It seems as if the fw is arbitrarily removing that connection. > > > > Any ideas? > > > > Regards > > Corne van Dyk > > Dimension Data: Network security engineer > > Tel: +27 21 659 2540 > > Fax: +27 21 659 2101 > > Helpdesk: +27 21 659 2112 > > > > > > > > ============================================================== > > ================== > > To unsubscribe from this mailing list, please see the > > instructions at > > http://www.checkpoint.com/services/mailing.html > > ============================================================== > > ================== > > > ============================================================================ ==== > To unsubscribe from this mailing list, please see the instructions at > http://www.checkpoint.com/services/mailing.html > ============================================================================ ==== > ================================================================================ To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================================================
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