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First off, let's test ssh access:
host user $ ssh x.y.z.w
ssh: connect to host x.y.z.w port 22: Connection timed out
host user $
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Let's add ssh access. Go to Applications->System Settings->Security Level:
If you are not root, you will get a prompt to enter the root password:
Be default nothing is enabled as trusted. The Other ports (1029:tcp) is just an example, it is not already enabled. You can add other ports using this format to the box on the right:
To enable SSH, for instance, just check the box and click OK:
You will receive a warning about overwriting your existing config:
Click Yes if you want to do that. Note that you can view the configuration:
[usr-1@srv-1 ~]$ cat /etc/sysconfig/system-config-securitylevel
# Configuration file for system-config-securitylevel
--enabled
--port=22:tcp
[usr-1@srv-1 ~]$
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No, it doesn't work to simply edit this file. The GUI is pretty straightforward, just do that.
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