P-661H/HW Series User’s Guide

Table 45 Commonly Used Services

SERVICE

DESCRIPTION

 

 

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).

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.

 

 

6.8 QoS Screen

The QoS screen by default allows you to automatically give a service a priority level according to the ToS value in the IP header of the packets it sends.

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Chapter 6 Wireless LAN