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kernel NET: ?? messages suppressed

Posted on 2002-04-02
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Last Modified: 2008-02-01
my linux always display this message on the console

"NET: ?? messages suppressed"

what does it mean?
what is it?
what cause the kernel display this message?

i tried to change the syslog.conf
i commented any msg from kernel, but the message still comes up...
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Question by:ichen
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Accepted Solution

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Gyver earned 200 total points
ID: 7018267
The kernel only allows one NET message per 5 seconds. With bursts of 50 messages allowed.

This is to protect against DOS attacks (kernel logs are usually writen synchronously thus severely slowing the disk accesses during heavy log activities).

See net/core/utils.c of the kernel sources for details.
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