# Open Network Ports and Enabled Ports and Services

The following table summarizes open network ports and services:

Protocol | Port Number | Program Name | Enabled by | Notes
--- | --- | --- | --- | ---
TCP | 20 | vsftpd | Enabled by default. | Temporarily open for active FTP connections
TCP | 21 | vsftpd | Enabled by default. | FTP
TCP | 23 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | Telnet
TCP | 80 | nginx | Enabled by default. | HTTP
TCP | 443 | nginx | Enabled by default. | HTTPS
TCP | 445 |  | Disabled by default. Conditionally enabled by Configure SMB utility. | Server Message Block (SMB)
TCP | 2222 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | Ethernet/IP
TCP | 4840 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | OPCUA
TCP | 32704-32768 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | SLMP
TCP | 44818 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | Ethernet/IP
TCP | 51000-51050 | vsftpd | Enabled by default. | Temporarily open ports for passive FTP connections, such as in the following cases: Loading and saving jobs and images from the vision system. Using the File Management utility. To ensure successful file management communications, you have to configure your PC and gateways to allow traffic through this range of ports.
UDP | 161/162 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | PROFINET - SNMP
UDP | 2222 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | Ethernet/IP Implicit
UDP | 1069 |  | Enabled by default. | Device Discovery
UDP | 34964 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | PROFINET
UDP | 44818 |  | Disabled by default. Conditionally enabled by Industrial Ethernet Settings Utility. | Ethernet/IP

Note: The Emulator binds everything to ephemeral ports except UDP 1069 for Device Discovery.