kernel: possible SYN flooding on port 655. Sending cookies.

[Guus Sliepen]

On Wed, May 25, 2011 at 08:59:43PM +0200, ZioPRoTo (Saverio Proto) wrote:

> On a Linux Server running tincd I noticed the following log message in
> /var/log/messages
> 
> kernel: possible SYN flooding on port 655. Sending cookies.
[...]
> So I guess there is nothing to worry about, correct ?

No, unless someone is indeed trying to flood port 655, maybe trying to DoS
tinc. But the message could be triggered because several nodes tried to connect
to that server at the same time.

-- 
Met vriendelijke groet / with kind regards,
     Guus Sliepen <guus at tinc-vpn.org>
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