limit number of connections per IP
swap size? (game server)
DNS server to ban domain(forwarding to unknown ip)
network card refusing to do full-duplex
Severely High Server Loads
Email / Spamasssin(not receiving email)
Lupper worm taking down IIS?
Loadbalancing and Sessions ?
Ram usage
Hacked???
Uploaded files saved with wrong contents
Email autoresponder via ticket system
