Table 69 Predefined Services (continued)
SERVICE | DESCRIPTION |
|
|
H.323(TCP:1720) | Net Meeting uses this protocol. |
|
|
HTTP(TCP:80) | Hyper Text Transfer Protocol - a client/server protocol for the world |
| wide web. |
HTTPS | HTTPS is a secured http session often used in |
|
|
ICQ(UDP:4000) | This is a popular Internet chat program. |
|
|
IPSEC_TRANSPORT/ | The IPSEC AH (Authentication Header) tunneling protocol uses this |
TUNNEL(AH:0) | service. |
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. |
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 |
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) | |
| public networks. This is the control channel. |
PPTP_TUNNEL(GRE:0) | |
| 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). | |
UDP:162) |
|
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. |
196 | Chapter 11 Firewall Configuration |