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What does this mean in syslog?

cmillar6

Senior Member
I see these entries in my syslog every few days, what does it mean?

Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:44:18 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:48:12 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Jul 3 20:48:12 kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
 
Go give them away for free, everyone loves free cookies ;)
Use googs to search: kernel: TCP: Possible SYN flooding on port 18099. Sending cookies.
Lots of results.
 
cDF9M0E.jpg
 

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