I have a generic Xfinity router, and I get this error when trying to forward a port. I can open the menu, put in the name of the rule and the ports, select my computer from the "Connected Device" list, but when I hit save it gives me this error. What can I do?
Here is an image of the dialogue;
https://i.imgur.com/1FSteTs.png
And here is an image of the error message;
https://i.imgur.com/f4RWrXZ.png
Here is an image of the dialogue;
https://i.imgur.com/1FSteTs.png
And here is an image of the error message;
https://i.imgur.com/f4RWrXZ.png