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From: Cosimo Longo (cosimoef-x.it)
Date: Fri May 24 2002 - 12:50:02 CDT

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    In log

    /var/log/firewall

    when appear

     May 22 07:43:36 linux kernel:[]: UDP: bad checksum. From 213.45.9.26:137 to 193.111.78.10:137 ulen 58
     May 22 11:43:44 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.42.26:2249/80 shrinks window 486804554:486805020. Repaired.
     May 22 12:12:39 linux kernel:[]: eth0: Media Link Off
     May 22 12:13:09 linux kernel:[]: eth0: Media Link On 100mbps full-duplex
     May 22 18:19:23 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.15.253:1443/80 shrinks window 4048139603:4048140058. Repaired.
     May 22 18:19:23 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.15.253:1443/80 shrinks window 4048139603:4048140058. Repaired.
     May 23 03:07:50 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.15.253:2707/80 shrinks window 3193903114:3193903815. Repaired.
     May 23 03:31:43 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.15.253:3420/80 shrinks window 420693197:420693833. Repaired.
     May 23 03:46:30 linux kernel:[]: TCP: Treason uncloaked! Peer 217.159.15.253:3624/80 shrinks window 1357152501:1357152829. Repaired.

    the system crash an reboot.

    I ave activated syn_flood_protection but d'ont work.

    Please help my.