TCP/UDP Connections Port Number Reference

Topic: CM144

This table provides a list of C-more Port Connection Numbers you may need for special configurations.

System Use

Ethernet Connection Port Number Ethernet Connection Protocol
Project Transfer, Programming Port, Ethernet 9999 Server TCP
Project Transfer, Programming Port, USB 10900 Server
Ports reserved for System use (Unicast Send) 10901
Ports reserved for System use (Reserved) 11100
Ports reserved for System use (Multicast) 11101
Ports reserved for System use (Reserved Area) 10903 - 10930
Programming Port (DHCP) 67 Server UDP
Programming Port (DHCP) 6789 Server TCP
DNS service (LLMNR) 5355 Client TCP/UDP
FTP 21 (Default, but configurable) Server TCP
21 Client TCP
SNTP (Time) 123 Server UDP
123 Client UDP
Email- SMTP 25 (Default, but configurable) Client TCP
Email - SMTPS 465 (Default, but configurable) Client TCP
Email - STARTTLS 587 (Default, but configurable) Client TCP
Email- POP3 110 (Default, but configurable) Client TCP
Webserver (Secure HTTPs) 80 (Default, but configurable) Server TCP
Webserver (HTTPS) 443 (Default, but configurable) Server TCP
Web Socket 10902 Server TCP
Client TCP
Server WebSocket
Remote Access 11102 (Default, but configurable) Server TCP
MQTT 1883 (Default, but configurable) Server TCP
MQTTS 8883 (Default, but configurable) Server TCP

Protocol/PLC Communications

Ethernet Connection Port Number Ethernet Connection Protocol
Pass Through

Serial - NA

Ethernet - 11110

Client — PLC Side TCP
Pass Through 11110 Server — Panel Side TCP
Modbus TCP 502 (Default, but configurable) Client TCP
Productivity Ethernet Client TCP
GS Drives TCP/IP Client TCP
Entivity Modbus TCP Client TCP
DirectLogic Ethernet 28784 Client UDP
Do-more Ethernet Client UDP
Generic EtherNet/IP Server Listening Port 44818 - Explicit messaging Server TCP
Generic EtherNet/IP Server Listening Port 2222 - I/O Messaging Server UDP
Client EtherNet/IP 44818 - (Default, but configurable) Client TCP
Siemens Ethernet 102 Client TCP
Mitsubishi Ethernet 2050 ( 0x0802) (Default, but configurable) Client TCP
Omron Ethernet 9600 (Default, but configurable) Client UDP