https://www.zabbix.com/download?zabbix=4.4&os_distribution=centos&os_version=7&db=mysql&ws=apache
SELINUX
AUDIT2ALLOW
yum install policycoreutils-python
cat /var/log/audit/audit.log | grep zabbix_server | grep denied | audit2allow -M zabbix-server_setrlimit semodule -i zabbix-server_setrlimit.pp grep AVC /var/log/audit/audit.log* | audit2allow -M systemd-allow; semodule -i systemd-allow.pp
FIREWALL
firewall-cmd --permanent --add-port=10050/tcp firewall-cmd --permanent --add-port=10051/tcp firewall-cmd --permanent --add-port=80/tcp firewall-cmd --reload