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DoS attack

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Name: shivaree
Date: September 10, 2004 at 09:42:42 Pacific
OS: Windows Me
CPU/Ram: 128 MB
Comment:

I think my DSL connection is the victim of a DoS attack. I contacted my ISP but they don't seem all that interested. Is there anything I can do to stop it? It's been going on non-stop for three or more days.



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Response Number 1
Name: XpUser
Date: September 10, 2004 at 10:07:47 Pacific
Reply:

We need some more info... could you describe the symptoms you are experiencing? Chances are it may be something else beside DoS Attack.

i_XpUser


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Response Number 2
Name: shivaree
Date: September 10, 2004 at 10:31:17 Pacific
Reply:

Well, it takes longer to load a web site or download a file than it used to. Somes files I haven't been able to download at all. The other day I looked at ZoneAlarm's logs and saw that it had blocked over 9,000 intrusions in a single day.


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Response Number 3
Name: White Hat
Date: September 10, 2004 at 13:44:23 Pacific
Reply:

If you use XP it has a period when it just slows down all of a sudden for no reason but it does sound like a DDOS attack and there isnt alot really to stop it, its the most effictive attack on the internet right now and even some websites cant stop it


~White Hat~


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Response Number 4
Name: shivaree
Date: September 10, 2004 at 14:37:53 Pacific
Reply:

No, I use Windows Me. I read that the only thing you can do is change your IP address. But I don't know if I can do this on my own or if my ISP has to assign me a new one.


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Response Number 5
Name: White Hat
Date: September 10, 2004 at 15:51:42 Pacific
Reply:

Yeah becuase with DSL you have a static IP Address.I stick with dial up for that reason and also for other security related issues.


~White Hat~


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Response Number 6
Name: computer novice 2
Date: September 20, 2004 at 17:22:48 Pacific
Reply:

I know the feeling man...non stop attacks that keep on disconnecting me form the net , the attacks for me have gone on for about 1 week so far.


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Response Number 7
Name: suspect52732
Date: September 21, 2004 at 07:45:30 Pacific
Reply:

Well, I think the answer is rather simple. Call your ISP and ask to have your IP changed, if they say they can't have them forward you to a "senior tech" eventually you will get someone with enough knowledge to help you. DoS is not impossible to stop, you could also try this to refresh your ip.

(Do ALL the steps, not just a few)

Unplug your modem (the box that flashes lights, indication internet activity)

wait 30 seconds and reboot

once loaded, plug it back in

wait for the status to flash

then click the start button and click run

type in cmd and hit Ok or enter

from the prompt, type winipcfg /release all
then winipcfg /renew all

if that fails try

type ipconfig /release all
ipconfig /renew all

I dont remember which is used in ME.

--------------------

Another really good idea, depending appon the firewall you used, you could look at the log file, see what IP is attacking you, then open up your firewall and manually block the ip, so you no longer accept packets from it.

---------------------

Personally, I think your best bet to stop this attack and prevent future attacks is a combination of obtaining a new IP, blocking the bad IP address, and securing your connection (meaning running antivirus, spyware scanners, and windows updates) this should take care of your problem.

You didnt mention is the attacker using one IP or multiple? What is the IP, also what is the packet of data sent? Can you tell us as much about the attack as possible. It could simply be a spyware company or something frivilous.


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