User`s guide

Configure Digi devices
76
Telnet Server Allows users an interactive Telnet session to the Digi device’s
command-line interface.
If disabled, users cannot Telnet to the device.
23
Telnet Passthrough Allows a Telnet connection directly to the serial port, often referred to
as reverse Telnet.
2001
Transmission Control Protocol (TCP)
Echo
Used for testing the ability to send and receive over a TCP connection,
similar to a ping.
7
Transmission Control Protocol (TCP)
Passthrough
Allows a raw socket connection directly to the serial port, often
referred to as reverse sockets.
2101
User Datagram Protocol (UDP) Echo Used for testing the ability to send and receive over a UDP connection,
similar to a ping.
7
User Datagram Protocol (UDP)
Passthrough
Allows raw data to be passed between the serial port and UDP
datagrams on the network.
2101
Web Server, also known as HyperText
Transfer Protocol (HTTP)
Access to web pages for configuration that can be secured by requiring
a user login.
HTTP and HTTPS, below, are also referred to as Web Server or
Secure Web Server. These services control the use of the web
interface. If HTTP and HTTPS are disabled, device users cannot use
the web interface or Java applet to configure, monitor, and administer
the device.
80
Secure Web Server, also known as
HyperText Transfer Protocol over Secure
Socket Layer (HTTPS)
Access to web pages for configuration that can be secured by requiring
a user login, with encryption for greater security.
443
Service Services provided Default
network
port
number