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Thread: UDP Failure, only first packet comes through

  1. #1
    Join Date
    Jan 2009
    Beans
    8

    UDP Failure, only first packet comes through

    Hi all!

    I have a bit of a problem with my server at the moment,
    First of all its running Ubuntu 8.04 (Server edition) and it works perfect just like you would expect.

    Only when i want to toss UDP to it its a total pain in the {BEEP},
    I was trying to set up a CS 1.6 Server but that was failing big time, so i've went through some testing:

    I test using 2 ubuntu boxes.

    on the first server (the one with the problem) i run:
    Code:
    nc -lup 2000
    then on the second server:
    Code:
     nc -u hostname.server.com
    i can send exactly ONE package from my Second server to the other one, also i cant send anypackets the other-way arround (from the problem-server to the other one)

    Also there is no firewall, the 'problem-server' is directly connected to the internet, so i guess i cant be a LAN Problem ?

    Also when i switch roles (Second server listening,problem-server connecting to it it all works like a charm).

    Long-post-short:

    - My server cant receive UDP Packets
    - My server cant send UDP Packets in some case's
    - I dont know what the &#)( is going on.

    Any suggestions ?
    I can really use some help on this one!

  2. #2
    Join Date
    Jan 2009
    Beans
    8

    Re: UDP Failure, only first packet comes through

    I've been testing arround with other ports and also TCP-Dump (Name doesnt imply but it seems to be able to dump UDP to)

    There is just one packet incoming, even when i toss a whole bunch of them to the server.

    Still dont have a clue what could be causing this,
    and i'm kind of getting crazy over this.

    Anyone has any clue how this could happen?

  3. #3
    Join Date
    Jan 2009
    Beans
    8

    Re: UDP Failure, only first packet comes through

    Anyone ? C'mon... there bust me somebody who knows this ?

  4. #4
    Join Date
    Jan 2009
    Beans
    8

    Re: UDP Failure, only first packet comes through

    Nevermind already fixed it, Thanks for all the great support!!

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