i Want to make a minecraft server i tried to port forward. i put tcp and udp ports and put the internal ip but there is also a public ip and external source ip address box what do i put in them and how do i configure the firewall to allow connections from the port.
do i post topics about games and networking in this categories
Here or networking is fine. 
Welcome!
You’ll need to configure port forwarding on your router to allow the port that anyone outside your network would connect to. That needs to forward to the port(s) on your system that Minecraft is using.
To open the ports in the firewall, the easiest way is to use YaST’s firewall configurator. Start it up (as root - use gnomesu/kde-su/xdg-su as appropriate for your desktop), and modify the public zone. I would ignore the Services tab and just enter the necessary ports in the Ports tab.
I haven’t set up a public Minecraft server myself before - hopefully someone else can answer the questions that you have specific to the Minecraft setup. External address is probably your router’s public IP address, but not sure what the “external source IP” address box would be.
I didn’t know that admins would comment on my topic
Hehehe, we’re just users with a role.
Yep, we’re more than just sysadmins, we’re also users who’ve been in technology for a while.
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