[s.m.a.c head]

Originally Posted by XJR15 Working DoS protection is sorely needed for L4D2 on Linux, can anyone help with this? I can't find a working version on the ones I found posted thus far for Linux.

block the packets using a firewall or IP tables

https://forums.alliedmods.net/showth...51551?t=151551
OR
get a windows server
OR rent a game server that protects against dos and ddos