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Server shutdown with ERROR: Info_SetValueForKey Rate Topic: -----

#1 User is offline   PapyRuny Icon

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Posted 07 June 2006 - 01:11 PM

hi all
i have a server for a while, but recently the server shutdown with this message : "ERROR: Info_SetValueForKey: oversize infostring" .
i read in some website that a attacker can shutdown any game server based on Quake3 engine.
so you the urban terror admins , did you solve this pb ?

#2 User is offline   illogical Icon

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Posted 07 June 2006 - 01:29 PM

That is an engine code bug, Urban Terror is a game code mod. If you haven't already, update to 1.32c.

#3 User is offline   PapyRuny Icon

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Posted 07 June 2006 - 02:08 PM

thanks for your answer .
i have this bug in 1.32b and in 1.32c too (all are on linux server and work well for 4 months).
can you confirm that is a attacker shutdown my server ?

#4 User is offline   PapyRuny Icon

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Posted 07 June 2006 - 02:42 PM

i already paste the error message on google and found it's a attacker shutdown , but i 'm not sure it's THE reason or other possible reason ?

#5 User is offline   illogical Icon

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Posted 07 June 2006 - 02:44 PM

Sometimes it is a normal client making a connection to the server. Other times it is someone trying to crash the server. It's impossible to distinguish between the two from the error message alone.
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#6 Guest_LogicalDope

Posted 07 June 2006 - 11:57 PM

Well it looks like it actualy someone who seemed to have created something to brute rcon passwords or one of my n00bish admins gave out rcon ..

Once rcon is gained .. then his computer sits and does this for ever till it crokes .. did it twice to me b4 I found out .. once I changed rcon and blocked the IP in the firewall all was good.. and the server was ans still is 1.32c ..


Here is the info from qconsole.log

Rcon from 213.112.56.252:4030:
pb_sv_ver
Rcon from 213.112.56.252:4031:
pb_sv_plist
Rcon from 213.112.56.252:4033:
pb_sv_ver
Rcon from 213.112.56.252:4034:
pb_sv_plist
Rcon from 213.112.56.252:4039:
pb_sv_ver
Rcon from 213.112.56.252:4040:
pb_sv_plist
Rcon from 213.112.56.252:4043:
pb_sv_ver
Rcon from 213.112.56.252:4043:
pb_sv_plist
Rcon from 213.112.56.252:3798:
pb_sv_ver
Rcon from 213.112.56.252:3813:
pb_sv_plist

Then after that for sometime and with people on you get

Info string length exceeded
Info string length exceeded
Info string length exceeded
Info string length exceeded
Info string length exceeded
About 50 to 100 times .... Then ...

********************
ERROR: Info_SetValueForKey: oversize infostring
********************
----- Server Shutdown -----

If you got a restart script it cant restart and locks the q3 process ...

This pesky guy whos been doing it is some Sweed .

Guid Number: 5691e9b6
Freq Used Names of 213.112.56.252
Bolibompa
fatrat
green-eyes sun
nosun
sunrat
sunray



I just changed up the password to something harder to brute with dic files and yelled at the peps with rcon not to tell people ... then added a few rules to the old firewall for our friends in SW and so far its all smooth.

So .. secure rcon password .. check for someone trying to brute the password in your conosole log .. ect..

I guess thats best advice ..


Also .. I also seen same block of time this occure ... some n00blet doing this

ClientUserinfo: 11 ip222.154.22.22:45641challenge-919096821qport45641protocol68cl_guid35CB0730B884A4DB2059558E6EF25237cl_punkbuster1cl_anonymous0name9R5hNCoJmyX6SWZIEgymRjaMbn
ClientUserinfoChanged: 11 n9R5hNCoJmyX6SWZIEgymt3racew0l0tl0
broadcast: print "9R5hNCoJmyX6SWZIEgym^7 connectedn"
Client 9 connecting with 200 challenge ping
ClientConnect: 12
ClientUserinfo: 12 ip222.154.22.22:45897challenge194395697qport45897protocol68cl_guid35CB0730B884A4DB2059558E6EF25237cl_punkbuster1cl_anonymous0namek
ClientUserinfoChanged: 12 nkt3racew0l0tl0
broadcast: print "k^7 connectedn"

Connecting with some lame arse names to lock up slots or something .. yah I know better key checking would stop this .. however this lame one is again some Euro dude ..

Guid Number: 38620118 or 37276280
Freq Used Names of 222.154.22.22
skynet * kennyG
JackBauer
skyNet * peteyPablo

Dont know if it is part of the other junk and they work togeather .. however it happened same block of time it seems.




LogicalDope [-iD-] CTF ServerAdmin

#7 Guest_LogicalDope

Posted 08 June 2006 - 01:03 AM

I will see how things go from here..

Ill update if something happens still or I see anything else in the logs.

LogicalDope

#8 User is offline   MrSentry Icon

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Posted 08 June 2006 - 01:06 AM

actully it is a very common kind of exploit that has been out for quit some time! pm me on irc for a link to the patch for it.

#9 User is offline   illogical Icon

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Posted 08 June 2006 - 01:28 AM

Is this an engine source patch, or a binary patch?

#10 User is offline   ghozt (old) Icon

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Posted 08 June 2006 - 01:47 AM

Well im gonna say this short first and i'll be back later to give yah more info

Rcon from 213.112.56.252:4030:
pb_sv_ver
Rcon from 213.112.56.252:4031:
pb_sv_plist
Rcon from 213.112.56.252:4033:

That is rundmc guid database, in order for this to happen.. you signed up for it or someone with your rcon has added your server to that site.

Info string length exceeded
Info string length exceeded
Info string length exceeded

*******************
ERROR: Info_SetValueForKey: oversize infostring
********************
----- Server Shutdown -----

Thats from too many "sets" in your server.cfg
usually anything over 2 sets of info for example
sets "admin" "coolleet0admin"
sets "email" "cool@myfirstserver.com"

sometimes you can add MAYBE one more

sets "cpu" "dual blahablah 8.0GHZ"

but after that anymore sets commands and your screwed

Back maybe 2 maybe 4 releases ago you could have almost as many as you wanted.. but not now, the q3 engine has a limited amount of memory set aside for sets and urbanterror has just about used all that up..

as for the locking up slots.. whatever name they want.. does it really matter.. maybe they are on a lan and shareing a key.. do they actually play or soes this keep happening untill the servers totally full..? maybe set the guid relax higher... =)



and yes they did release that "c" patch but thats not your issue here.. no one is exploiting you and crashing your server. And if they are, you havent posted the right snips from your logs..
Try google next time guys.
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