I am aware of the Half-Life game association. What I saw was 10 different
IP sources scanning my entire class B on port 27015, all starting within
one hour of each other. That didn't sound like a normal game
behavior. But after that day, the scans didn't return.
hermit921
At 02:15 PM 1/1/2004, Don Parker wrote:
>Hi there, port 27015 is often associated with Half Life online gaming
>servers. Are you running one of these? There are some security
>considerations to mull over if you are as these can be used in DDoS
>attacks and the such. Just google for "port 27015 tcp" and you will get
>quite a few hits on it.
>
>Cheers,
>
>Don
>
>-------------------------------------------
>Don Parker, GCIA
>Intrusion Detection Specialist
>Rigel Kent Security & Advisory Services Inc
>www.rigelksecurity.com
>ph :613.249.8340
>fax:613.249.8319
>--------------------------------------------
>
>On Dec 22, hermit921 <hermit921_at_yahoo.com> wrote:
>
>Starting at 10:49 UTC December 22 I started seeing a 20-30 incoming packets
>per second on TCP port 27015. Every few minutes another source
>appeared. Any idea what is going on?
>
>Thanks,
>hermit921
>
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Received on Jan 03 2004