[CentOS] "Treason uncloaked!"

Jim Perrin jperrin at gmail.com
Thu Sep 25 18:38:03 UTC 2008


On Thu, Sep 25, 2008 at 5:15 AM, John R Pierce <pierce at hogranch.com> wrote:
> got a centos5.2 web/database server thats on a public coloc, its dmesg fills
> up with
>
>
> TCP: Treason uncloaked! Peer 82.135.195.32:64905/8032 shrinks window
> 354477433:354478918. Repaired.
> TCP: Treason uncloaked! Peer 82.135.195.32:64905/8032 shrinks window
> 354477433:354478918. Repaired.
> TCP: Treason uncloaked! Peer 82.135.195.32:64905/8032 shrinks window
> 354477433:354478918. Repaired.
> TCP: Treason uncloaked! Peer 84.158.80.177:61931/8032 shrinks window
> 3243223020:3243237180. Repaired.
> TCP: Treason uncloaked! Peer 84.158.80.177:61931/8032 shrinks window
> 3243227520:3243237180. Repaired.
> TCP: Treason uncloaked! Peer 84.158.80.177:61931/8032 shrinks window
> 3243232020:3243237180. Repaired.
>
> I know thats because of random bogosity coming in from the internet, and I
> really don't care.   can I suppress that from filling up the dmesg buffer so
> I can see more important things like scsi soft errors?


You can filter these messages to their own log when using rsyslog and
its regex features. I'm not sure how much performance impact you'd
take from it, but unless you're a really high-traffic site, it should
be just fine.

-- 
During times of universal deceit, telling the truth becomes a revolutionary act.
George Orwell


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