Hello.

I run Debian 64-bit.

I host GameServers on my machine. Yesterday, some corrupt files or error in configurations of one of the game-servers caused my whole system to destabilize. On checking, I saw one of the Gameserver's console giving Net_sendpacket spam errors. I disabled that server and things were fine then. It used up more than 100GB of my bandwidth in just 12 hours.

I deleted the server and copied all the files over again to fix that error. Now I want a prevention to this, if just in case it happens again.

I want to limit a sub-user's bandwidth in Linux. Like if I want a user only to use 10GB bandwidth per month + not more than 5MB/second. Is there any way to do it ?

How can I achieve this ?

I assume you mean network bandwidth and not disk space quota. I have never had need to do this, but it looks like it is commonly achieved with a combination of Squid proxy and Iptables. I 'googled' "iptables bandwidth limit" and got a lot of hits on how to accomplish this. Generally the tactic seems to be to use Squid to limit the users and then use iptables to prevent anyone from getting around them.

You can try squid in Accelerator-mode with delay-pools feature enabled (./configure --enable-delay-pools) to control bandwidth.

damade