DDOS

For all the help you need with Armagetron!
Post Reply
User avatar
dukevin
Round Winner
Posts: 219
Joined: Mon Aug 30, 2010 8:25 am
Location: Southern California
Contact:

DDOS

Post by dukevin »

I've been told that someone is trying to DDoS one of my servers. I checked the console log on the server and the log is filled with messages like:

Code: Select all

[33] nKillHim signal caught: Killing user 33, ping 1.25, IP 130.102.147.132:53: An error occurred while processing messages from your client. This usually indicates a client or server bug.
Is this evidence of such action?
Image

User avatar
takburger
Match Winner
Posts: 600
Joined: Tue Jun 04, 2013 9:34 pm

Re: DDOS

Post by takburger »

The nature of the request do not count so much, it is more about the number of them for 1 second of time.
Image

User avatar
dukevin
Round Winner
Posts: 219
Joined: Mon Aug 30, 2010 8:25 am
Location: Southern California
Contact:

Re: DDOS

Post by dukevin »

There was probably a dozen per second spamming the console
Image

User avatar
Z-Man
God & Project Admin
Posts: 11365
Joined: Sun Jan 23, 2005 6:01 pm
Location: Cologne
Contact:

Re: DDOS

Post by Z-Man »

Yep, that either is a DoS (no extra D) attempt or a confused client. Sometimes, when a client loses the connection, for example when its IP changes, it keeps sending packets to the server that the server cannot process. Those are usually ignored outright, though. Just a single, small rejection packet is sent in response to a message that causes an nKillHim, so apart from the log spam, there should be no significant damage (there may have been more for previous versions of the server). A spectator causes more network traffic and CPU load.

Post Reply