Try this site, not telling you to pay for the service but it has some good tips.
I SOLVED the 3007 error.... i just entered my router config, went to NAT and put the IP of my PC in the DMZ HOST.... i just did that and no more 3007 errors,
05/26/2012 01:29 PMPosted by Sslitherr1I would love to do this *fix* to the 3007 Error, but sadly everytime I make a change to my router, my ISP looks at it as a *hack* and blocks access to the computer from which the changes were made and sends the information to SORBS as an act of hacking.
Threats of violence. We take these seriously and will alert the proper authorities.
Posts containing personal information about other players. This includes physical addresses, e-mail addresses, phone numbers, and inappropriate photos and/or videos.
Harassing or discriminatory language. This will not be tolerated.