
Table 64 Commonly Used Services
SERVICE | DESCRIPTION |
|
|
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. |
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 |
| POP3 server through a temporary connection (TCP/IP or other). |
PPTP(TCP:1723) | |
| over public networks. This is the control channel. |
PPTP_TUNNEL(GRE:0) | |
| 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 |
| the Internet. SMTP enables you to move messages from one |
| server to another. |
SNMP(TCP/UDP:161) | Simple Network Management Program. |
|
|
Traps for use with the SNMP (RFC:1215). | |
|
|
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). |
Chapter 15 Bandwidth Management | 177 |