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Product FAQs

QUESTION

Which TCP/UDP ports do I need to open to access my MGate gateway remotely?

My MGate is located behind a NAT router and uses a private IP.

SOLUTION

The following tables list the most common ports used by various functions on our gateway products:

MB3000 Series Modbus Gateways

Protocol Port No. Purpose
TCP 23 Telnet
TCP 80 Web console
UDP 161 SNMP
TCP 443 HTTPS
(Excluding MB3180)
TCP 502 Modbus TCP port
TCP 950 to 953
966 to 969
ProCOM port
(Available only for MB3x70)
TCP 4502 Packet monitoring
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 7502 Default high-priority Modbus TCP port 
(Available only for MB3x70)

EIP3000 Series EtherNet/IP-to-DF1 Gateways

Protocol Port No. Purpose
TCP 23 Telnet
UDP 161 SNMP
TCP 950 to 953
966 to 969
ProCOM port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 44818 Ethernet/IP port

MGate 5101 Series PROFIBUS Master-to-Modbus/TCP Gateways

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware

MGate 5102 Series PROFIBUS Master-to-PROFINET Gateways

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
UDP 34964/49153 PROFINET port

MGate 5103 Series 1-Port Modbus / EtherNet/IP-to-PROFINET IO Device

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
UDP 34964/49152 PROFINET port
TCP 44818 EtherNet/IP connection
UDP 2222/44818 EtherNet/IP messaging

MGate 5105 Series Modbus RTU/ASCII/TCP and EtherNet/IP Gateways

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 44818 EtherNet/IP messaging
UDP 2222/44818 EtherNet/IP messaging

MGate W5x08 Series Modbus RTU/ASCII-to-Wi-Fi Gateway

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
TCP 4001 Raw TCP port (server mode)
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 7502 Default high-priority Modbus TCP port
TCP 20000 DNP3/IP port

MGate 5109 Series 1-Port Modbus RTU/ASCII/TCP-to-DNP3 serial/TCP/UDP Gateways

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 7502 Default high-priority Modbus TCP port
TCP 20000 DNP3/IP port

MGate 5111 Series 1-Port Modbus / EtherNet/IP / PROFINET-to-PROFIBUS Slave Gateways

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
UDP 34964/49152 PROFINET port
TCP 44818 EtherNet/IP connection
TCP 2222/44818 EtherNet/IP messaging

MGate 5114 Series 1-Port Modbus IEC 101-to-IEC 104 Gateway

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
TCP 2404 IEC 104
UDP 2404 IEC 104
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
TCP 20000 DNP3/IP port

MGate 5118 Series J1939-to-MB/EIP/PN Gateway

Protocol Port No. Purpose
TCP 22 Secure Telnet (SSH)
TCP 23 Telnet
TCP 80 Web console (HTTP)
UDP 161 SNMP
TCP 443 Secure web console (SSL)
TCP 502 Modbus TCP port
UDP 4800 Broadcast, get current settings
TCP 4900 Save settings and upgrade firmware
UDP 34964/49152 PROFINET port
TCP 44818 EtherNet/IP connection
UDP 2222/44818 EtherNet/IP messaging

Relevant Products

MGate 5101-PBM-MN Series · MGate 5102-PBM-PN Series · MGate 5103 Series · MGate 5105-MB-EIP Series · MGate 5109 Series · MGate 5111 Series · MGate 5118 Series · MGate EIP3170/EIP3270 Series · MGate MB3170/MB3270 Series · MGate MB3180/MB3280/MB3480 Series · MGate MB3660 Series · MGate W5108/W5208 Series ·

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