ZyXEL Communications NBG4115 - Manual (Page 266)

Appendix F Services
User’s Guide
266
SSDP UDP 1900 The Simple Service Discovery Protocol
supports Universal Plug-and-Play
(UPnP).
SSH TCP/UDP 22 Secure Shell Remote Login Program.
STRM WORKS UDP 1558 Stream Works Protocol.
SYSLOG UDP 514 Syslog allows you to send system logs
to a UNIX server.
TACACS UDP 49 Login Host Protocol used for (Terminal
Access Controller Access Control
System).
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
UDP
7000
user-
defined
A videoconferencing solution. The UDP
port number is specified in the
application.
Table 84 Examples of Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION