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Old 4th October 2011, 05:21
joel_griego joel_griego is offline
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Hi Guys,

I got this log from my server. do you know what is the meaning of this?

Oct 3 14:59:50 kernel: [519680.590012] TCP: Peer 189.223.220.139:63337/80 unexpectedly shrunk window 228221533:228225853 (repaired)
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Old 4th October 2011, 08:45
Mark_NL Mark_NL is offline
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You can safely ignore these "informational" messages. Nothing to worry about since it's the clients causing this, not you.
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Old 4th October 2011, 10:35
joel_griego joel_griego is offline
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Hi Mark,

Thanks. But my server suddenly slowed down during this time. What does that log mean?
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Old 4th October 2011, 11:11
Mark_NL Mark_NL is offline
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It's a client messing with the tcp window size, this is just a INFO message from the kernel that it fixed that window size. That's it ..

You're server being slow is most-likely because of something else. If you get tons and tons of these INFO messages, it might be someone who's trying to mess around with your server.
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Old 4th October 2011, 11:52
joel_griego joel_griego is offline
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Thanks again Mark.
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