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From: Hanspeter Schmid (hpsbernafon.ch)
Date: Thu Dec 06 2001 - 01:00:56 CST

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    Hello Bugtraqers,

    yesterday I tried an nmap scan from one of my servers
    to my SunRay server, with

      nmap -O 10.50.2.4

    Immediately, the SunRay Server reacted with

    Dec 5 09:21:12 brnray utauthd: [ID 387677 user.info] WatchIO UNEXPECTED:
    utauthd.watchIOEvent: java.net.SocketException: Software caused connection
    abort
    Dec 5 09:21:12 brnray utauthd: [ID 191561 user.info] Worker1 UNEXPECTED:
    CB.taskEvent:read failed : e = java.net.SocketException: Connection reset by
    peer: Connection reset by peer

    From then on, things got worse and worse. Sessions would
    not restart after a logout, one session got stuck with a
    black screen, and the SunRay admin port 7010, although
    still recognized as open by nmap, would not answer telnet
    anymore.

    I soon rebooted because brnray is a productive system.

    Does anybody have an idea what's up? Anybody in for
    trying to reproduce it? I can't, because I have ten
    engineers working on that server ...

    Oh, by the way: It's SunRay Server Software 1.3 on Solaris 8,
    the SunRay subnet has a dedicated ethernet card / switch.

    Slainte!
    Hanspi