Appendix A Common Services
XGS4700-48F User’s Guide
467
POP3 TCP 110 Post Office Protocol version 3 lets a
client computer get e-mail from a
POP3 server through a temporary
connection (TCP/IP or other).
PPTP TCP 1723 Point-to-Point Tunneling Protocol
enables secure transfer of data over
public networks. This is the control
channel.
PPTP_TUNNEL
(GRE)
User-Defined 47 PPTP (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).
Table 173 Commonly Used Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION
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