
Appendix D Common Services
P-974H/HW Series User’s Guide
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TELNET(TCP:23) Telnet is the login and terminal emulation protocol common
on the Internet and in UNIX environments. It operates over
TCP/IP networks. Its primary function is to allow users to log
into remote host systems.
TFTP(UDP:69) Trivial File Transfer Protocol is an Internet file transfer
protocol similar to FTP, but uses the UDP (User Datagram
Protocol) rather than TCP (Transmission Control Protocol).
VDOLIVE(TCP:7000) Another videoconferencing solution.
Table 30 Commonly Used Services
SERVICE DESCRIPTION
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