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Thread: Incoming network connections disabled?

  1. #1
    Join Date
    Aug 2012
    Beans
    6

    Incoming network connections disabled?

    Hi,

    I have a headless server running 10.04.2. I normally manage it from my desktop through ssh. For some days I've seen the restart required message but I ignored it until yesterday when suddenly I wasn't able to log in through ssh (Operation time out). Appletalk File Server wasn't working either. I thought it was probably hanged and I did a hard reset. Same problems. Finally I plugged in a monitor and was able to log in and have a look. Apparently everything is OK except the system seems to be ignoring all incoming connections. No ssh, no ping, no AFP, no Mediatomb web access, no transmission web access.

    I checked:
    - ping is allowed ( /proc/sys/net/ipv4/icmp_echo_ignore_all -> 0).
    - ufw status -> inactive
    - aparently the listeners are there but incoming requests are being ignored
    - output connections seem to be OK: I'm able to ping LAN & WAN hosts, even transmission keeps uploading stuff
    - syslog: there is an error regarding ssh: init: ssh main process (731) terminated with status 255, Don't think it can explain the other incoming connection problems
    - started tcpspy (tcpspy -d) and tried to ssh to the server. I could only see transmission outgoing connections being logged.

    Any help would be appreciated.

    Thanks,
    jj
    Last edited by jJackFlash; August 17th, 2012 at 03:54 PM. Reason: New info

  2. #2
    Join Date
    Aug 2012
    Beans
    6

    Talking Re: Incoming network connections disabled?

    Solved. The router was the problem. It needed a restart.

    Thanks anyway,
    jj

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