User`s guide

55
The table shows network services, services provided, and the default network port number for each
service.
Service Services provided
Default
network
port
number
Device Discovery, also
known as Advanced
Digi Discovery
Protocol (ADDP)
Discovery of Digi devices on a network. Disabling this
service disables use of the Digi Device Discovery utility to
locate the device. The network port number for ADDP
cannot be changed from its default.
2362
Encrypted (Secure)
RealPort
Secure Ethernet connections between COM or TTY ports
and device servers or terminal servers.
1027
Line Printer Daemon
(LPD)
Allows network printing over a serial port.
515
Modem Emulation
Pool (pmodem)
Allows the ConnectPort LTS product to emulate a modem.
Modem emulation sends and receives modem responses to
the serial device over the Ethernet instead of Public
Switched Telephone Network (PSTN). Telnet processing
can be enabled or disabled on the incoming and outgoing
modem-emulation connections. The pmodem service is for
connecting to whatever serial port will answer.
50000
Modem Emulation
Passthrough
Allows the ConnectPort LTS product to emulate a modem.
This service is for dialing in to a particular serial port that
has been set up for modem emulation.
50001
RealPort
A virtual connection to serial devices, no matter where they
reside on the network.
771
Remote login (Rlogin)
Allows users to log in to the ConnectPort LTS product and
access the command-line interface through Rlogin.
513
Remote shell (Rsh)
Allows users to log in to the ConnectPort LTS product and
access the command-line
interface through Rsh.
514
Secure Shell (SSH)
Allows users secure access to log in to the ConnectPort LTS
product and access the command-line interface.
22
Secure Shell (SSH)
Passthrough
Accessing a specific serial port set up for SSH.
2501
Secure Socket
Passthrough
Allows an encrypted raw socket connection (using SSL)
directly to the serial port.
2601
Simple Network
Management Protocol
(SNMP)
Managing and monitoring the ConnectPort LTS product. To
run SNMP in a more secure manner, note that SNMP allows
for set commands to be disabled. This securing is done in
SNMP itself, not through this command. If disabled, SNMP
161