Friends cant connect to my server

[mrannoying]

Hello, firstly I apologise if I post in the wrong section because it's my first post here.

Server version:3.1.2

So the problem: As stated in the title my friends cannot connect to my server. I spent at least an hour googling answers, reading threads but no solutions. It works when I use localhost. I think my portforwarding works because I tried canyouseeme.org

The ip I gave to my friends is made with no-ip.com this used to work last time, but now it doesnt. My friends get endofstream errors.

What should I do next?

Thank you.

[SilentOne20000]

um first pm me the ip so i can see the exact error and then we can try from there.