what is jabberd/c2s[301]

Discussion in 'Mac OS X Server, Xserve, and Networking' started by northernbaldy, Nov 18, 2010.

  1. northernbaldy macrumors 6502a

    northernbaldy

    Joined:
    Jan 13, 2010
    Location:
    the north, UK
    #1
    I'm getting continuous errors since the software update this morning
    any idea what it is?

    Nov 18 18:21:34 server jabberd/c2s[301]: SASL callback for non-existing host: server.local
    Nov 18 18:21:34 server jabberd/c2s[301]: [7] [::ffff:192.168.1.2, port=50495] disconnect jid=unbound, packets: 0
    (repeated constantly)
     
  2. northernbaldy thread starter macrumors 6502a

    northernbaldy

    Joined:
    Jan 13, 2010
    Location:
    the north, UK
    #2
    hmm, just noticed this too

    Nov 18 18:14:25 server sshd[14774]: Failed keyboard-interactive/pam for root from 41.233.107.100 port 3439 ssh2
    Nov 18 18:14:30 server sshd[14816]: reverse mapping checking getaddrinfo for host-41.233.107.100.tedata.net [41.233.107.100] failed - POSSIBLE BREAK-IN ATTEMPT!
     
  3. deconstruct60 macrumors 604

    Joined:
    Mar 10, 2009
    #3

    If this server is hooked to the internet and not behind a firewall probably someone trying to crack your iChat service. If you don't need or use iChat make sure that service is shutdown on your server and that port remove from your firewall 'exceptions" list.

    Likewise on your sshd; i'd bet your on the unfiltered internet. Go to your sshd configuration file and disable root login. Anyone who wants privledge can login as a user and then sudo to get root privledges.


    The update may have reset some config files for these two services. It probalby shouldn't but perhaps did. If you do custom configs of your services ( probably should if you harden them after install ) then should copy your config files before an upgrade and then re-harden afterwards as necessary.
     

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