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Search took 0.01 seconds. Search: Posts Made By: Martijn79
Forum: Source Servers (SRCDS) 09-28-2014, 07:37
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

You know of all the things I didn't even do that yet, so yeah I'll open up a ticket.

I don't know about OVH's support though, it seems to be good in BHS but sucks in Roubaix.
Forum: Source Servers (SRCDS) 09-27-2014, 18:15
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Yeah but the incoming bandwidth is only 7 MB/s tops.

The PPS is enormous though.
Forum: Source Servers (SRCDS) 09-27-2014, 16:44
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Well I guess it's useless, I'm receiving so much packets my machine can't filter it anymore and the server goes down. Something like 8000-9000 routers hit my box now. I guess I need external...
Forum: Source Servers (SRCDS) 09-27-2014, 14:58
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Yep! Switched those to kmp as well. Works perfectly.

I've seen those tsource engine queries as well, isn't that the A2S spam thingy? I run plugins to block that but an iptables rule might be more...
Forum: Source Servers (SRCDS) 09-27-2014, 14:37
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Well I think I got there mostly. I got SSPD attacked by about 6000 routers, so much that iptables couldn't handle it to block everything (look at the list http://mgftw.com/f2b.txt) and although it...
Forum: Source Servers (SRCDS) 09-27-2014, 07:34
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Well, the minute I dropped the attack I got a new one, something with all 00000000

http://s27.************/d1xysas2b/Untitled.png
Forum: Source Servers (SRCDS) 09-27-2014, 06:52
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

HUGE UPDATE! Switching to algo kmp looks like it did the trick!!! These are my rules now and work! (for now) I got a huge log now of SSPD floods:


Sep 27 12:51:21 rbx02 kernel: [137289.347613]...
Forum: Source Servers (SRCDS) 09-27-2014, 06:35
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Alright that's the first change I'll make. I just got attacked again and have a tcpdump right here:

https://mega.co.nz/#!bl1F2JgC!NhzLbat3H5MPwgW4t80nDhjNoSNpbUEiliN3-4i9TsM

Thanks for helping...
Forum: Source Servers (SRCDS) 09-26-2014, 12:18
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

The attack is going to my game server port, I found out which attack is causing the game servers to go down.

I can easily limit and drop the DrDos packets with the following rule which works...
Forum: Source Servers (SRCDS) 09-26-2014, 08:55
Replies: 19
Views: 5,629
Posted By Martijn79
Re: Getting attacked by a lot of UT/CS servers

Yeah I do have ddos protection with OVH, the incoming traffic is only up to 100 mbit which fills my pipe for 1/10th (gigabit) but my servers are going down either way despite fail2ban/iptables. I've...
Forum: Source Servers (SRCDS) 09-26-2014, 08:36
Replies: 19
Views: 5,629
Posted By Martijn79
Getting attacked by a lot of UT/CS servers

Hi all,

I'm receiving reflection attacks from a huge list of game servers, mostly which are registered on game tracker / game monitor.
Most servers are CS 1.6 servers. Unreal Tournament and Call...
Forum: Source Servers (SRCDS) 01-20-2014, 04:05
Replies: 6
Views: 2,871
Posted By Martijn79
Re: L4D2 server - high cpu usage and lags

Could be but the fact remains that virtual servers are not suitable for gaming because of the high cpu usage. I bet a bare metal dedicated server will solve all your problems.
Forum: Source Servers (SRCDS) 11-07-2013, 14:32
Replies: 7
Views: 2,377
Posted By Martijn79
Re: Need help blocking DoS attack

Ok I think I have solved it (hopefully). It seems that the attack origins from port 27015 as well (and destination is UDP 27015). I just found out that my game servers running on port 27015 are the...
Forum: Source Servers (SRCDS) 11-07-2013, 13:48
Replies: 7
Views: 2,377
Posted By Martijn79
Re: Need help blocking DoS attack

Well, that extension helped with the CPU load which doesn't spike to 100% any longer but the server still goes down.

Here's a captured tcpdump while the attack was going on:...
Forum: Source Servers (SRCDS) 11-05-2013, 18:10
Replies: 7
Views: 2,377
Posted By Martijn79
Re: Need help blocking DoS attack

Ok I think I needed this plugin:

http://forums.alliedmods.net/showthread.php?p=1273708

Re-compiled and installed it, I'll report back if it works.

I uploaded it if someone needs it as well:...
Forum: Metamod:Source Plugins 11-05-2013, 17:14
Replies: 85
Views: 115,361
Posted By Martijn79
Re: Metamod Query Cache

Compiled version for L4D2 with no GLIBC_2.15 requirement (compiled against _srv libs and Metamod 1.10).

Edit: Tested and seems to work fine!

Edit 2: Added source code (only makefile changed).
Forum: Source Servers (SRCDS) 11-05-2013, 16:47
Replies: 7
Views: 2,377
Posted By Martijn79
Re: Need help blocking DoS attack

Thanks Mike, I did that and it seems that I get hit thousands of times each second with the command:

TSource Engine Query.

Any idea?

Thanks!
Forum: Source Servers (SRCDS) 11-03-2013, 12:43
Replies: 7
Views: 2,377
Posted By Martijn79
Re: Need help blocking DoS attack

I posted that?

That's an output of tcpdump -nn during the attack.
Forum: Source Servers (SRCDS) 11-03-2013, 11:35
Replies: 7
Views: 2,377
Posted By Martijn79
Need help blocking DoS attack

I was wondering if someone could help my find the right iptables rules to block off this attack I'm getting. It seems like a typical denial of service attack.

When the attack takes place (usually...
Forum: Translation Request 10-26-2013, 07:26
Replies: 10
Views: 4,508
Posted By Martijn79
Re: Translate Request - Deathrun Shop

[nl]
ADMIN_GAVE_POINTS = Admin ^"!t%s!n^" heeft!t %i punten!n aan speler ^"!t%s!n^" gegeven.
ADMIN_TOOK_POINTS = Admin ^"!t%s!n^" heeft!t %i punten!n van speler ^"!t%s!n^" weggenomen....
Forum: Source Servers (SRCDS) 10-05-2013, 14:17
Replies: 34
Views: 9,721
Posted By Martijn79
Re: Changing to Linux - Which distribution?

So If you disable SELinux then you shouldn't use CentOS, that's what you're saying? So people, businesses, everybody only runs CentOS just because of SELinux? There are perhaps 100 more reasons for...
Forum: Source Servers (SRCDS) 10-05-2013, 10:07
Replies: 34
Views: 9,721
Posted By Martijn79
Re: Changing to Linux - Which distribution?

Can you explain why you would use i386 when you have a machine with 8 GB RAM? That really makes no sense to me at all. All my servers are CentOS 6.4 AMD64 and they run SRCDS fine without any issues...
Forum: Metamod:Source Plugins 08-08-2013, 14:31
Replies: 1,528
Views: 1,717,794
Posted By Martijn79
Re: L4DToolZ Metamod plugin (l4d1 & l4d2)

It's both. Some custom maps work fine with l4dtoolz but all maps are designed with 4 players max (or 8 for versus) in mind and no extensions, plugins whatsoever. So for custom campaigns it's better...
Forum: Extensions 08-08-2013, 14:28
Replies: 54
Views: 54,524
Posted By Martijn79
Re: [EXTENSION] [L4D2] Melee Spawn Control (1.0.0.4)

I put this on 3 servers and they all crash within 40 minutes. Servers without this seems fine so I had to remove it for now.

I'll post some debug logs once I get the chance to test it further. It...
Forum: Metamod:Source Plugins 08-07-2013, 12:11
Replies: 1,528
Views: 1,717,794
Posted By Martijn79
Re: L4DToolZ Metamod plugin (l4d1 & l4d2)

Np it should work fine, I have it on 10 ppl and it's stable.
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