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Discuss what's fucking going on, and which programs are best and worst. One-time "program" announcements from "established" webmasters are allowed.

 
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Old 04-02-2003, 12:42 AM   #1
stevo
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Join Date: Aug 2002
Location: Orlando, Florida
Posts: 2,051
Can one bruteforce attack easily shut down a server?

Somebody got one of my servers pretty good, trying different username combinations and searching for files with tons of different proxies... I was down for a good ten minutes. Its happened alot before, but never shut me down...

Example:
[Wed Apr 2 02:50:15 2003] [error] [client 195.120.178.135] user Flexscan not found: /members
[Wed Apr 2 02:50:15 2003] [error] [client 217.106.203.250] user comeon1 not found: /members
[Wed Apr 2 02:50:15 2003] [error] [client 217.97.135.253] user [email protected] not found: /members
[Wed Apr 2 02:50:16 2003] [error] [client 195.120.178.135] user again not found: /members
[Wed Apr 2 02:50:16 2003] [error] [client 193.52.244.40] user bwheels not found: /members
[Wed Apr 2 02:50:16 2003] [error] [client 193.52.244.40] user bukos not found: /members
[Wed Apr 2 02:50:16 2003] [error] [client 61.74.252.10] user ArmyStud not found: /members

I increased my maxclients, that didnt help much. Not much you can do when your attacked eh? Moving everything to isprime, maybe that'll help alil...
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Old 04-02-2003, 12:45 AM   #2
Danielle
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Join Date: Jun 2002
Location: My Coffin
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It sure can! Do you have software installed to devert brute force attacks so it does not kill your server resources?

If not you may want to look at http://www.stopthathacker.com/

Several other good ones out there also.

Hugs,
Danielle
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Old 04-02-2003, 06:25 AM   #3
HairToStay
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Join Date: Oct 2002
Location: Southcoast, Mass.
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I have one moron in the Netherlands and one in Russia who had been hitting one of my sites non-stop at the rate of dozens per second.

RobotPro has been stopping everything

<a href="http://secure.ibill.com/cgi-win/ccard/rscookie.exe?RevShareID=hair&returnto=http://webcomposing.com"><img src="http://www.hairtostay.com/robotpro.bmp"></a>
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