
Securing Linux setenforce 1 getenforce Configuring FirewallDÂ firewall-cmd --get-active-zones firewall-cmd --zone=FedoraServer --list-all firewall-cmd --zone=FedoraServer --permanent --add-service=https firewall-cmd --zone=FedoraServer --permanent --add-service=http firewall-cmd --zone=FedoraServer --permanent --add-service=smtp firewall-cmd --zone=FedoraServer --permanent --add-service=imap firewall-cmd --zone=FedoraServer --permanent --remove-service=imap systemctl reload firewalld firewall-cmd --zone=FedoraServer --list-all Check the specific firewall rules: iptables -nvL Securing SSHD (server side) vi /etc/ssh/sshd_config uncomment PermitRootLogin yes change to PermitRootLogin no
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