Cable Router User's Guide

Appendix C Common Services
P-2900-4HB User’s Guide
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PPTP(TCP:1723) Point-to-Point Tunneling Protocol enables secure transfer of
data over public networks. This is the control channel.
PPTP_TUNNEL(GRE:0) Point-to-Point Tunneling Protocol enables secure transfer of
data over public networks. This is the data channel.
RCMD(TCP:512) Remote Command Service.
REAL_AUDIO(TCP:7070) A streaming audio service that enables real time sound over
the web.
REXEC(TCP:514) Remote Execution Daemon.
RLOGIN(TCP:513) Remote Login.
RTELNET(TCP:107) Remote Telnet.
RTSP(TCP/UDP:554) The Real Time Streaming (media control) Protocol (RTSP) is
a remote control for multimedia on the Internet.
SFTP(TCP:115) Simple File Transfer Protocol.
SMTP(TCP:25) Simple Mail Transfer Protocol is the message-exchange
standard for the Internet. SMTP enables you to move
messages from one e-mail server to another.
SNMP(TCP/UDP:161) Simple Network Management Program.
SNMP-TRAPS(TCP/UDP:162) Traps for use with the SNMP (RFC:1215).
SQL-NET(TCP:1521) Structured Query Language is an interface to access data on
many different types of database systems, including
mainframes, midrange systems, UNIX systems and network
servers.
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:7000) Another videoconferencing solution.
Table 24 Commonly Used Services
SERVICE DESCRIPTION