How long is McAfee antivirus available for free to new U-verse customers?

I'm trying to configure my Uverse router so I can connect my Direct TV DVR/receiver to my router.  Does anyone know the "port range" that should be entered when configuring the Uverse router for my Direct TV Genie DVR/receiver?  Thanks

I just hooked up a Roku streaming stick to the MHL port on my Oppo-103 to take advantage of the Oppo's  video enhancements. Unfortunately, the Oppo is in a disadvantagous corner of the house in relation to my Uverse router. The signal is fair but I need a better signal for 1080 streaming. I have hea

I was in the middle of playing a video game and my internet went down. I checked the tv and that was out too, so I checked the modem and all the lights are off except the green power light. I reset and unplugged it and same thing. They scheduled a tech to come out but not till tomorrow. Is there any

If there are newer replacements for the 3800 what are they and how do I get one??

ATT replaced my old modem and the new is not compatible with the battery backup  (BELKIN) that I had.  Are there adaptors available??