Hello everyone, I'm back. I was told what the problem was around a year after I made this thread in another help forum (Arqade), in which the people within wasted no time downvoting my question...

@Kevin_Z I've tested it and it worked, I can login with 192.168.1.154:25565, but not with localhost:25565 or EXTERNALIP:25565 These are the things I've done for LAN. As for WAN... It gave me the...

I've tried everything I can to port forward my Minecraft server. Nothing works. Here is a list of things I tried: I've done the usual port forwarding. I've opened DMZ. I've disabled my firewall. I've...