ZyXEL Communications P-2602 manual Appendix F Services 373

			P-2602H(W)(L)-DxA Series User’s Guide
Table 150 Examples of Services (continued)
NAME	PROTOCOL	PORT(S)	DESCRIPTION
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.
ROADRUNNER	TCP/UDP	1026	This is an ISP that provides services mainly
			for cable modems.
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	The Simple File Transfer Protocol is an old
			way of transferring files between
			computers.
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.
SMTPS	TCP	465	This is a more secure version of SMTP that
			runs over SSL.
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.
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.

Appendix F Services 373