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Thread: Packets/Server

  1. #1
    Junior Member
    Join Date
    Jun 2003


    Say i was running a public gamming server, just incase this helps its a Half-Life mod called Natural-Selection. Could a user send special or corrupt packets to change some settings on the servers configuration?

  2. #2
    Senior Member Info Tech Geek's Avatar
    Join Date
    Jan 2003
    Vernon, CT
    I really never had a problem running a half life server. The latest vuln is the fact of overloading a server with bots so no users can join. (Its a form of DOS attack). So, I would have to say if you have the basic security settings assign to the box and you run the server under a (Restricted User Account) you have nothing but Lags and DOS's to worry about. If you have any specific questions feel free to PM me.

  3. #3
    Senior Member
    Join Date
    Jan 2002
    There have historically been quite a lot of exploits in game servers. However, you don't usually need to run them as root, and with a little work, they can be run inside a chroot.

    This means that someone who successfully exploits the game server cannot then easily take over the box at least.

    As game servers are usually provided as binary-only, and are often not patched very quickly, it may be worthwhile using some kind of anti-buffer overflow tool, such as libsafe, which can work without needing the source. It won't necessarily stop every exploit, but it's likely to make a lot of "cookbook" exploits not work, and stop many altogether. And until the game vendor patches it, it's the best you can do.


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