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Disable and Uninstall APF Firewall Script

Q. How do I uninstall and disable APF Firewall script under CentOS / Red Hat Enterprise Linux without breaking anything else?
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APF Linux Firewall Open Port 22 From Specific / Selected IP Address Only

Q. I've CentOS Linux server configured with APF firewall. How do I open port 22 from specific IP address only? I've fix static ADSL IP address assgined and I'd like to open port 22 from my IP only using APF firewall script. How do I configure firewall?
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