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public (active) target: default icmp-block-inversion: no interfaces: enp0s3 sources: services: dhcpv6-client ssh ports: 2212/tcp protocols: masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: |
To open a hole in the firewall to allow traffic in or out of a port permitted by firewalld:
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sudo firewall-cmd --add-port=2212/tcp |
Consult the firewalld documentation for details on how firewalld (and iptables) operates and for additional commands to reverse changes made, to make additional changes, or to disable firewalld enforcement.