Ports refuse to open

Svenren

Reputable
May 8, 2015
25
0
4,530
I'm trying to open a couple of ports for my emulator in order to host. For some odd reason however the ports won't open even though port forwarding worked fine in the past.

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I assigned my pc as a DMZ host on my router and the router as a dmz host on my modem, I've had this set up for quite a while and it worked. But now it refuses to work and not a single port will open. How would I fix this?