![]() In this example, we'll set up a fictitious server and port. The server admin should now remove port 22 by selecting it and clicking on the -Remove button.Ĭlick on Options, Reload Firewalld to activate our new firewall rule, enter your password if prompted. Then click on +Add at the bottom.Įnter in the port number, then click on OK. Let's say it gets changed to Port 6860 for this example.Ĭlick on the Services tab and select ssh from the left pane. A clever ServerĪdmin would change this port number before letting the SSH server go live. Most SSH servers run on port 22 but this also means that is someone is trying to hack you, this is the first port they will try to attack you on. Make sure Configuration is set to Permanent and your Zone is set to home or your changes will not stick. In the following example, we'll use SSH, a common protocol for remotely connecting to another computer. Now that we're all set up, let's show you how to allow ports through to your computer. We're now set up for home firewall configuration. Select home from the pop up box, then click on OK. Select Configuration, Permanent before you attempt any type of firewall adjustments.Ĭlick on Options in the main menu, Change Default Zone. You must enable the Firewall by the Terminal first (see above). Check the existing lists in FirewallD before adding your own rules. Most common firewall applications are included in FirewallD, they just need to be ticked (enabled). Terminal Command: sudo systemctl mask -now firewalldĪ list of common ports to work with an Enabled Firewall: ![]()
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