Hi everyone!

I want to port forward my Left 4 Dead Server.

I did that stuff before, but my new ISP just doesn't port forward stuff properly.

I tried to forward 5 different things, and only 2 worked, Minecraft and SSH (partially)

Anyway, since I couldn't port forward, I looked into the alternatives.

I saw Ngrok, which I have used before, but they don't offer any UDP tunnels as far as I know, and I don't know any good alternatives.

I need to forward the following ports according to the Steam docs:

• TCP: 27015
• UDP: 27020, 27005, 26900

So, my question is, do you have any services that can help me port forward/create a tunnel for both TCP and UDP and more of them?

They must be free since I don't have any money, and the server won't be public, I'll just turn it on every once in a while when my friends want to play on it.

I'll take any other suggestions on how to solve this issue even if it doesn't help with port forwarding specifically.

Thanks in advance!

(i might be using a wrong flair for this, if i am please lmk)

(edit: changed ports)