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So recently I have joined a website(The name is not important) In which I am staff on.

My so called "Job" is to remove players from the servers. As you could probably imagine, people do not enjoy getting blacklisted/banned from our servers.

When under the DDoS attack, My computer is showing an active internet connection. Sometimes it has a yellow caution sign on it, sometimes not. Either way I cannot connect to any website.

They proceed to DDoS me about it, even though that won't help them at all. So I had a couple questions.

1: Will typing in cmd

ipconfig /release
ipconfig /renew

do anything to my IP address? If they do not have my current IP address I would imagine they cannot attack me.

2: In response to #1, do I need to be able to browse the web to do this?

3: Is there any way I can get the incoming IP by myself, or is that something strictly my ISP can do?

Thanks for the help in advance.


asked Aug 30 '11 at 21:21

xxjakeoxx98's gravatar image


Well changing your local IP wouldn't do much except well... changing the local IP on your DHCP server on your router. This wouldn't change your global IP. If you contacted your ISP about this I'm sure they'd be able to help in either blocking those IP's or swapping out your IPv4 (or IPv6) address. You could always disable any ports on your router as well so they don't have anything to attack, but I'm not quite the expert on these kind of things so that's about all I can suggest, sorry! ^^;

answered Aug 30 '11 at 21:25

Wolfy9247's gravatar image


Well I just removed the only open port I had. I doubt that will change anything though.

(Aug 30 '11 at 21:27) xxjakeoxx98 xxjakeoxx98's gravatar image
 ipconfig /release  ipconfig /renew

 ipconfig /release  ipconfig /renew

That is internal IP only.

To change your external IP you need a dynamic IP.

To change a dynamic IP, disconnect your router for about 5 mins. Then reconnect. ipconfig /release ipconfig /renew

answered Aug 30 '11 at 21:26

Jackster1337's gravatar image


edited Aug 30 '11 at 21:27

On some ISP's such as Time Warner this won't change the dynamic global IP, it'll in-fact still be the same one as before. Thus the only way to really change it is requesting a new one or somehow having it randomly changed... mine changed by like 3 digits after about 3 years. xD

(Aug 30 '11 at 21:27) Wolfy9247 Wolfy9247's gravatar image

actually with twc, just changing the NIC would get you a new IP. they typically tie your ip to the mac address. definitely need to tighten security on router.

answered Aug 30 '11 at 23:06

Jason%20Barnett's gravatar image

Jason Barnett

NIC is a local device, you mean change modem! unless modem is cloning MAC of lan device.

(Oct 26 '12 at 08:22) Headwards Headwards's gravatar image

usually turning off your internet gateway for 10 minutes and turning it back on will give you a new external ip

answered Aug 31 '11 at 18:00

KylePolansky's gravatar image


Depending on what kind of ISP you have and whether or not you're assignaed a dynamic IP you can usually change your external IP address on two different ways:

  1. Unplug your modem/router for a minute or so then re-plug it in. Personally, this worked with SBC Yahoo! DSL (or AT&T High Speed DSL or whatever it's called now)

  2. Change your router's MAC address using its MAC Address Clone feature (if modem is connected to router) or spoof a MAC address on your PC using some MAC Address Spoofing program (if modem is directly connected to a computer), reset your modem (by using a pin on the small button on the back or possibly unplugging it for 1 minute or so) then wait a few minutes for your ISP's DHCP server to assign you a new IP address. Personally, this worked with RoadRunner.

answered Aug 31 '11 at 22:41

nickjuly4's gravatar image


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Asked: Aug 30 '11 at 21:21

Seen: 1,602 times

Last updated: Oct 26 '12 at 08:22