I’m bit paranoid when server down due to high load on server. Normally it is because of script and sometimes it is because of SPAM. However i find weird message in kernel log. The message is below:

TCP: Treason uncloaked! Peer 209.198.241.58:3785/80 shrinks window 4236318752:4236318753. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:60872/80 shrinks window 1979979470:1979982390. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:60872/80 shrinks window 1979979470:1979982390. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:60872/80 shrinks window 1979979470:1979982390. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:62379/80 shrinks window 2073742591:2073749891. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:62379/80 shrinks window 2073742591:2073749891. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:63140/80 shrinks window 2124860413:2124863333. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:63140/80 shrinks window 2124860413:2124863333. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:63140/80 shrinks window 2124860413:2124863333. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:64663/80 shrinks window 2186378386:2186384226. Repaired.
TCP: Treason uncloaked! Peer 218.208.39.33:64663/80 shrinks window 2186378386:2186384226. Repaired.

Perhaps this link can help me;

http://www.informedbanking.com/acc/nxwiki/view/TCP-Treason-Uncloaked.html

http://www.redhatmagazine.com/2007/01/29/why-do-i-get-tcp-treason-uncloaked-messages-in-my-system-logs/

http://kerneltrap.org/node/7182

http://www.ussg.iu.edu/hypermail/linux/kernel/0402.2/0701.html