need urgent HELP with my server

[slinz123]

hey guys i got this huge problem

 

when i put NO-IP hostname on all my server files i can connect my server but when people try to connect there aion freeze and they get cannot cannoct to the authorization server

 

i also tried my external IP adress same problem please help me fix this

 

also when i put my external ip address or NO-IP adress on chatserver files my chatserver don't work but when i use localhost on my chatserver it works i don't know how i can make my chatserver work on my external ip adress please i need help !!!

 

 

 

kind regards

 

Slinz123