The port number used by Syslog is UDP5 14. When sending logs through Syslog, you need to specify the IP address and port number of the Syslog server. If no port number is specified, the default value will be used. If you use TCP protocol, you need to specify the port number of TCP.
Syslog, usually called system log or system record, is a standard for transmitting log messages in Internet Protocol (TCP/IP) networks.