varrix/sysa-ref.md

## sysa-ref.md

      
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              sysa-ref.md
            
          
    firewalld

Permanently add service:
firewall-cmd --permanent --add-service=http (Must restart service to take effect!)
Other

# firewall-cmd --state
# firewall-cmd --list-all
# firewall-cmd --list-interfaces
# firewall-cmd --get-service
# firewall-cmd --query-service service_name
# firewall-cmd --add-port=8080/tcp