[SOLVED]Problem with Port Forwarding on ZTE F668

KriSSu09

Commendable
Dec 17, 2016
8
0
1,510
Hello!
Last week I finnaly got rid of ADSL from Telekom and got FTTH from RCS&RDS (you probably haven't heard of it, ISP in Romania and other countries around it). Back in the days, with a Huaway router I could port forward and host Minecraft servers for my friends with no problems other than the lag from a slow connection. Now, I've got this ZTE F668 ONT from RDS and I'm trying to port forward using it, but it just won't work. I'm pretty sure I filled the port forward page right:
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My internal IP is set to static using Port Forward Network Utilities, my external IP is not static but that's not a problem as it only changes on modem restarts and I'm not trying to host a 24/7 server, I've disabled router firewall, I've added exceptions in Windows Firewall and in Avast Firewall, I've enabled DMZ and that's pretty much all I could think of doing/find on the internet. I'm checking the port 25565 using the tool from Port Forward Network Utilities and also by hosting a Minecraft server and giving my ip and my port to my friends, but none work. When the technical team brought the ZTE F668 I asked them if I can Port Forward with it because I want to host servers and I accessed 192.168.1.1 and showed the Port Forwarding tab and they looked at me a bit confused and their reaction was like "What is he talking about?" but they didn't say anything, I just told them "Nevermind, forget about it." and they left.
So, does anybody have a solution for me, or do I just have to call my ISP and figure it out?

EDIT: The solution was as simple as it can get. Apparently the Avast firewall was blocking my ports. I just had to disable it and then it worked like a charm.