FirewallD is an IPv6 compatible firewall mechanism used in recent Linux distributions (RedHat/Fedora/CentOS) replacing good old iptables.
- dynamically managed firewall;
- support for network/firewall zones (define trust level of network connections/interfaces;
- support both IPv4 and IPv6;
- support ethernet bridges and IP sets;
- separated runtime/permanent configuration;
- service/application can add firewall rules directly;
- FirewallD with some basic rules
- Firewalld should open port 10000 for webmin:
firewall-cmd –permanent –zone=public –add-port=10000/tcp
reload is needed to activate the permanent rule in current environment
firewall-cmd –reload
If you managed to stop firewalld restart with:
systemctl start firewalld