CentOS 7 comes with firewalld by default. So disable firewalld because Cpanel & CWP uses CSF Firewall & LFD with IPTables. Here CSF - ConfigServer Security & Firewall LFD - Login Failure Daemon # systemctl stop firewalld.service # systemctl disable firewalld.service Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service. Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service. # systemctl mask firewalld.service Created symlink from /etc/systemd/system/firewalld.service to /dev/null. Reboot your server so that all updates can take affect and then check your Firewalld Status. # reboot # systemctl status firewalld In EFA , FirewallD & Fail2Ban Intrusion Detector comes with by default. But I prefer to use CSF. So i will disable firewalld services.
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