Mangle rule for this syslog server: /ip firewall mangle add action=log chain=prerouting connection-state=new dst-address-list=!DontLog in-interface=!ether1 log=yes log-prefix=LOG_USERS protocol=tcp ...

To configure vCenter to send system logs to Kiwi Syslog Server, you will need to do the following: Install and configure Kiwi Syslog Server. Configure vCenter to send logs to Kiwi Syslog Server.