Appendix D Services
AX/DX/EX/PX Series User’s Guide
541
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.
VDOLIVE TCP
UDP
7000
user-
defined
A videoconferencing solution. The UDP port number is 
specified in the application.
Table 205   Examples of Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION