Base on post from https://www.zabbix.com/forum/zabbix-help/367261-selinux-and-zabbix
Install:
yum install policycoreutils-pythonGenerate custom SELinux plicy file for Zabbix
grep zabbix_t /var/log/audit/audit.log | audit2allow -M zabbix_server_custom
Load new policy
semodule -i zabbix_server_custom.pp
There is possibility that the server will not start correctly. Repeat above steps several times until server start correctly
Remove policy
rm zabbix_server_custom.*Review setting
getsebool -a | grep zabbixPermanently enable them if needed
setsebool -P zabbix_can_network=1