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UT/UT2003 admins please read ! Important !(Click here to view the original thread with full colors/images)
Posted by: Fearless
http://forums.prounreal.com/viewtopic.php?t=39308
quote:
Apparently, someone is exploiting a bug in the Unreal (both UT and UT2k3) network code to do DDoS attacks against a range of IPs. They are using the master server list so all UT and 2k3 servers are being used in this attack. I checked all of ours and they were effected. Our Texas server was peaked at 10Mbps upload usage and hovered around 8Mbps for a few hours.
Anyone with a UT or UT2k3 server may want to check their servers and maybe shut them down for now until there is a fix. Especially if you pay for BW that its eating up. This attack is also effecting the performance of the UT/2k3 servers since most all servers log player join data and this logging of massive joins can chew up a lot of CPU cycles (was eating up 50% of someone's 2.4 GHz Xeon machine I read).
Awhile ago Epic patched a hole in the network code to stop a DoS attack. Well this one is looking like a new hole that will be stopped eventually. Just FYI for all you server admins/players. Our servers are offline unless required for a match or there is a fix available.
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