====== Centos firewalld ======
===== Отключение firewalld =====
''firewall-cmd --state''
running
''systemctl stop firewalld''
*Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
*Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
''systemctl mask --now firewalld''
*Created symlink from /etc/systemd/system/firewalld.service to /dev/null
===== Разрешить порты в firewalld =====
''firewall-cmd --permanent --add-port={5060,5061}/{tcp,udp}''
''firewall-cmd --permanent --add-port=10000-20000/udp''
... и веб-сервера NGINX:
''firewall-cmd --permanent --add-service={http,https}''
''firewall-cmd --reload''