ZyXEL Communications P-334U User Manual
Page 177
P-334U/P-335U User’s Guide
Chapter 15 Bandwidth Management
177
IPSEC_TUNNEL(ESP:0)
The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol
uses this service.
IRC(TCP/UDP:6667)
This is another popular Internet chat program.
MSN Messenger(TCP:1863)
Microsoft Networks’ messenger service uses this protocol.
MULTICAST(IGMP:0)
Internet Group Multicast Protocol is used when sending packets to a
specific group of hosts.
NEW-ICQ(TCP:5190)
An Internet chat program.
NEWS(TCP:144)
A protocol for news groups.
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(ICMP:0)
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).
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).
Table 64 Commonly Used Services
SERVICE
DESCRIPTION