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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [FW1] Tcp Reset from the firewall
Most likely your system is running into a port that is already in use/allocated. With that many files, the port setup for the data channel will invariably run into an 'existing' port. See the following for assistance. http://www.phoneboy.com/fw1/faq/0106.html Robert - - Robert P. MacDonald, Network Engineer Team Lead, e-Business Infrastructure G o r d o n F o o d S e r v i c e Voice:email: [email protected] >>> naps <[email protected]> 12/1/00 1:49:04 PM >>> > >i'm running fw 4.0 sp 5 on NT 4.0 sp 5 > >I'm having a problem where when two devices are seting up a connection >i'll see device 1 send a syn seq, device two will syn ack, but device >one fails to ack back ( the packet isn't being sent or is being lost). >Device one then resends its syn seq and device one will resend the syn >ack. But before device one can ack, the firewall sends a reset to device >two. The reset causes device two to close the connection. > >I'm seeing this problem as a result of sniffing out a failed ftp >connection. The client is trying to pull 1800 small files from an ftp >server and when the reset happens the control connection is properly >closed even though all of the files have not been retrieved. > >As I continue to look at this problem I'm relating it to possible >failures that happen once an awhile on other services accross diferent >firewalls in our enviroment. > >Any help or insite would be nice. > >Naps >Kung-Fu is very ineffective against machine gun fire. ================================================================================ To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================================================
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