opnsense-plugins/net-mgmt/zabbix-proxy/src/opnsense/mvc/app/models/OPNsense/Zabbixproxy/ACL/ACL.xml

<acl>
   <page-services-zabbixproxy>
      <name>Services: Zabbix Proxy</name>
      <patterns>
         <pattern>ui/zabbixproxy/*</pattern>
         <pattern>api/zabbixproxy/*</pattern>
      </patterns>
   </page-services-zabbixproxy>
</acl>