How to Add Firewall rule to allow the port
1. For check firewalld status # systemctl status firewalld
2. start or stop firewall service # service firewalld stop
3. Add Firewall rule to allow the port 55555/tcp to accept packets
#firewall-cmd --zone=public --add-port=55555/tcp --permanent
4. For Firewall Reload Comman
#firewall-cmd --reload
5. To check which port are allow in firewall
#firewall-cmd --zone=public --list-ports
6. To remove Firewall port use this command
#firewall-cmd --zone=public --remove-port=55555/tcp
7. To list open ports and services configured through firewalld, run the following command:
firewall-cmd --list-all
8. to list all allow ports
#firewall-cmd --list-ports
------------------add service to Firewall----------
9. Firewall allow Services check
firewall-cmd --zone=public --list-services
10. New Service allow in Firewall
#firewall-cmd --zone=public --add-service=ftp
11. Remove Service From Firewall
firewall-cmd --zone=public --remove-service=ftp
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Muhammad Tareq Musa
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MTCNA. MTCRE
Microsoft Windows Server 2016 Charter Member
Azure 900 Certified
Technical Trainer
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