ComCast DNS hijacking
Michael ODonnell
michael.odonnell at comcast.net
Tue Aug 25 12:58:06 EDT 2009
> At least you can opt-out now via a form presented on the page.
Grumble... well the actual opt-out page is here:
https://dns-opt-out.comcast.net/
...and just for a bit of ironic fun I wondered what would happen
if tried the www. version of that hostname, thus:
https://www.dns-opt-out.comcast.net/
...but all I got was a not-found error. ;->
However, when I tried this one:
https://www.dns-opt-out.comcast.netJ/
...it did redirect me back to the DNS hijack page.
> Comcast.net - Domain Helper Service
>
> When a non-existent web address is typed into a browser, a built-in
> error message is displayed. The Comcast's Domain Helper service is
> designed to help guide you to a useful search page that has a list
> of recommended sites that come close to matching the original web
> address that did not exist.
>
> If you are a residential or commercial cable modem subscriber, and
> you wish to opt-out of the Comcast Domain Helper service, please
> complete the form below. Once you submit this information, we will
> send you a confirmation so that we can authenticate the request.
> We will then follow-up once you have been successfully opted-out.
>
> Opt-Out
>
> Your Confirmation Email Address:
> Example: john.doe at comcast.net
> Note: A Comcast.net email address is not required.
> ________________________________________
> Why do we need this?
> We will send you an email asking you to authenticate/confirm your
> request. You will also be sent an email once your opt-out request
> has been successfully processed.
>
> Cable Modem MAC Address:
> Example: 00:16:46:C8:D2:DD
> _: _: _: _: _: _
> Where can I find the MAC address?
> Why do we need this?
> We opt-out your entire household, covering all of your home computers
> that access the Internet via the Comcast network. As a result,
> we need this unique identifier of your cable modem / eMTA.
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