I think you may have mis-understood what has been said so far....
Let me break it down for you
Kara's comment is below
don't bother call comcast support on this one that would be no way. And setup own server on home chsi acct is no no against tos. Read it.
Then, ropeguru said, in reply to Kara. By the way, the "He" that is mentioned is in reference to you!
He is trying to use OpenDNS' DNS servers instead of Comcast's.
In regards to your issue, if you could provide the information that NetFixer
has asked for, someone will be able to help you set up OpenDNS on the "Aris Dongle Gateway modem". An exact Model # would help with that. It should be printed on the outside of the unit, either directly, or on some kind of sticker attached to it.
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