The Slingbox uses port 5001 when it communicates with your router, so this port needs to be open for your Slingbox to send video outside of your network.

What can replace Slingbox?

If you arent still convinced with the alternatives we mentioned above, here are some other options you can switch to when replacing your discontinued Slingbox.TiVo EDGE for cable. Xfinity X1. SiliconDust HDHomeRun Connect Quatro. Tablo Quad OTA Digital Video Recorder. Roku Ultra 2020.9 Nov 2020