Appendix D Services - ZyXEL Communications VMG8924-B10D User Manual

The following table lists some commonly-used services and their associated protocols and port numbers.
• Name: This is a short, descriptive name for the service. You can use this one or create a different one,
if you like.
• Protocol: This is the type of IP protocol used by the service. If this is TCP/UDP, then the service uses the
same port number with TCP and UDP. If this is USER-DEFINED, the Port(s) is the IP protocol number, not
the port number.
• Port(s): This value depends on the Protocol.
• If the Protocol is TCP, UDP, or TCP/UDP, this is the IP port number.
• If the Protocol is USER, this is the IP protocol number.
• Description: This is a brief explanation of the applications that use this service or the situations in which
this service is used.
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