ZyXEL Communications ZyWALL USG 100 Series - Page 998

Appendix B Common Services
ZyWALL USG 100/200 Series User’s Guide
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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 310 Commonly Used Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION