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--- networking:firewall:firewalld [2014/11/21 13:53]
gcooper
+++ networking:firewall:firewalld [2018/03/15 09:39] (current)
gcooper
@@ Line 35: / Line 35: @@
 firewall-cmd --zone=public --list-all
+firewall-cmd --zone=public --add-interface=eth0    # activate the (Public) firewall on ''eth0''
 </file>
@@ Line 45: / Line 47: @@
 firewall-cmd --reload
 </file>
+===== Change SSH Port =====
+:!: You may need to install some tools on minimal installs:
+<file>
+yum -y install policycoreutils-python net-tools
+</file>
+Change the port in the SSH daemon configuration:
+<file>
+vim /etc/ssh/sshd_config
+</file>
+Fix selinux RBAC:
+<file>
+semanage port -a -t ssh_port_t -p tcp 2222
+</file>
+Modify the firewall:
+<file>
+firewall-cmd --permanent --zone=public --add-port=2222/tcp
+firewall-cmd --reload
+</file>
+Restart the SSH service:
+<file>
+systemctl restart sshd.service
+netstat -tapn
+</file>

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