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Basic firewall setup

asked 2017-05-10 11:17:07 +0000

nopke gravatar image

Hello! I have recently decided to try out Fedora. One of the first problem I ran across is the firewall. I have downloaded "Firewall" app from Software, so I have some GUI. But I can't really orient there. Where do I set incoming / outgoing rules? Everything I see there are some protocols. Could somebody show me the basic setup, so my computer is protected? I tried searching in Google, but I didn't find anything meaningful.


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Each gui will have different panels, options and so forth, it depends on the desktop environment you use. To tell you to click or type a specific command, is going to be difficult. Are you trying to open ports, for specific ip to have traffic to and from the internet? What do you wish to accomplish? I use cinnamon as my desktop and the firewall settings in the system control center are fairly easy to understand, so knowing what desktop you use, could help someone give a good answer to your question.

steveebey73742 ( 2017-05-10 15:11:59 +0000 )edit

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answered 2017-05-10 18:01:47 +0000

Samuel Sieb gravatar image

I assume you used the workstation install. In that case, firewalld is installed and enabled and your computer is secured by default.

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On Ports tab, in FedoraWorkstation zone it says that ports 1025-65535 on TCP and UDP are open. Isn't that a vulnerability?

nopke ( 2017-05-10 20:13:54 +0000 )edit

Unlikely. All the system processes use ports below that. The high ports were left open to avoid issues with user applications not being able to communicate.

Samuel Sieb ( 2017-05-10 20:21:24 +0000 )edit

Are you behind a router? if so, are any ports open on it? if not, then anything open on the computer is not really relevant, is it?

steveebey73742 ( 2017-05-10 21:57:59 +0000 )edit

I also looked a lot for a basic guide and could not find anything, There is no answer to the question at the moment.

northlight ( 2017-08-12 02:00:00 +0000 )edit

answered 2017-08-12 17:01:01 +0000

steveebey73742 gravatar image

updated 2017-08-12 17:02:23 +0000

Check here for help on Firewalld and configuration of your firewall or for a brief overview and setup help man firewalld

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For more detailed information on firewalld, I would suggest looking at the firewalld documentation as well.

psg_nm ( 2017-08-13 04:10:33 +0000 )edit

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Asked: 2017-05-10 11:17:07 +0000

Seen: 224 times

Last updated: Aug 12 '17