Port Forwarding Input Error?

rodgod
Newbie

So, I'm trying to create the following port forwarding rule: https://i.imgur.com/ybQrrI5.png  but that error is always showing up. Why? It looks like I'm following the format exactly right.

0 Likes
1 Reply
Cang_Household
Community Leader
Community Leader

Could you describe the relevant ports and hosts you are trying to port forward?
I will type out the exact instructions if deemed possible.