ZyXEL Communications EMG6726-B10A, Руководство пользователя

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Appendix D Services
EMG6726/8726-B10A User’s Guide
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NFS UDP 2049 Network File System - NFS is a client/server distributed
file service that provides transparent file sharing for
network environments.
NNTP TCP 119 Network News Transport Protocol is the delivery
mechanism for the USENET newsgroup service.
PING User-Defined 1 Packet INternet Groper is a protocol that sends out
ICMP echo requests to test whether or not a remote
host is reachable.
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).
POP3S TCP 995 This is a more secure version of POP3 that runs over
SSL.
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.
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.
Table 138 Examples of Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION