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AJP and port / firewall problems

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  • AJP and port / firewall problems

    Hi,
    I had some serious trouble on a fresh installation of ox on debian. The server is a virtual server from hosteurope, running debian.

    I've started installing it two days ago as part of a standard exim / cyrus / saslauthd / ssl / ox-setup. And by the end of yesterday I almost was done and everything seemed to come together.

    All of a sudden I received the horrible "503 service temporary unavailable" message yesterday. After trying to find out what's going on I realized that the ajp was not listening on port 8009. But there were no helpful messages in the logfiles.

    Searched almost all night, no success. Searched the whole day until now, no success. Then took my chances and disabled the firewall on the server via the web frontend. And everything started to work again.

    After analyzing the used ports via "lsof -i | grep java" I generated the following rules:

    Incoming chain, destination ports:
    udp 6780-6800
    tcp 9999
    udp 9999
    tcp 8009
    udp 9982

    Outgoing chain, source ports:
    udp 9982

    For finding out who needs these ports do a "grep <port> -R /opt/open-xchange/etc"

    Now the stuff is working again.

    Yt,

    Gunnar
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