How do you open a Port in XUBuntu?
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How do you open a Port in XUBuntu?
Based on this post: https://help.ubuntu.com/8.04/serverg.../firewall.html
The default firewall for Ubuntu is ufw.
You can open a port in ufw with the below command
Or to allow it only from a specific IPCode:sudo ufw allow 22
Code:sudo ufw allow proto tcp from 192.168.0.2 to any port 22
Although they also mention you have to enable it, so maybe the firewall isn't on by default. If that is the case, you will need to deal with whatever you're using for an external firewall.
If you want a GUI to configure ufw, try installing gufw.
gufw website