Re: New to firewalld, Questions about getting started.
Hello,
On Wed, Jun 3, 2015, at 10:41 AM, Fryer, David wrote:
Hello,
I am new to using firewalld. I have been through the documentation at
https://fedoraproject.org/wiki/FirewallD, but am having some trouble with
configuration. It would seem that, regardless of zone or services
enabled, I cannot ssh into the machine that has firewalld running without
adding the client's subnet to the trusted zone. In addition, adding
"UseDNS no" to the end of /etc/ssh/sshd_config seems to ignore firewall
configuration.
I have been using firewall-cmd in order to set firewall options, if it
makes a difference.
It seems that there is no HOWTO for getting started with firewalld, and
there doesn't seem to be any one resource that's helpful for
troubleshooting problems such as this.
Thank You,
David Fryer
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Are you running SSH on the standard port of 22? Are you using SELinux in
Enforcing mode? If you are running SSH on a non-standard port, and have
SELinux enabled, you would also need to do something like:
/usr/sbin/semanage port -a -t ssh_port_t -p tcp 1234
Where 1234 is the new port that you are using. This would set things up
so that SELinux would be managing that port for SSH connections.
If that's not the issue, kindly post the output of your ssh connection
attempt using the -v or -vv flags so that we can see where the
connection is getting stuck. Thanks,
Jim