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| Appendix E Services |
| Table 130 Examples of Services (continued) |
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| NAME | PROTOCOL | PORT(S) | DESCRIPTION |
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| MSN Messenger | TCP | 1863 | Microsoft Networks’ messenger |
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| service uses this protocol. |
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| NetBIOS | TCP/UDP | 137 | The Network Basic Input/Output |
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| TCP/UDP | 138 | System is used for communication |
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| between computers in a LAN. | ||
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| TCP/UDP | 139 |
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| TCP/UDP | 445 |
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| TCP | 5190 | An Internet chat program. | |
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| NEWS | TCP | 144 | A protocol for news groups. |
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| NFS | UDP | 2049 | Network File System - NFS is a client/ |
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| server distributed file service that |
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| provides transparent file sharing for |
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| network environments. |
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| NNTP | TCP | 119 | Network News Transport Protocol is |
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| the delivery mechanism for the |
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| USENET newsgroup service. |
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| PING | 1 | Packet INternet Groper is a protocol | |
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| that sends out ICMP echo requests to |
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| test whether or not a remote host is |
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| reachable. |
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| POP3 | TCP | 110 | Post Office Protocol version 3 lets a |
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| client computer get |
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| POP3 server through a temporary |
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| connection (TCP/IP or other). |
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| POP3S | TCP | 995 | This is a more secure version of POP3 |
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| that runs over SSL. |
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| PPTP | TCP | 1723 | |
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| enables secure transfer of data over |
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| public networks. This is the control |
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| channel. |
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| PPTP_TUNNEL | 47 | PPTP | |
| (GRE) |
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| Protocol) enables secure transfer of |
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| data over public networks. This is the |
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| data channel. |
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| RCMD | TCP | 512 | Remote Command Service. |
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| REAL_AUDIO | TCP | 7070 | A streaming audio service that |
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| enables real time sound over the web. |
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| REXEC | TCP | 514 | Remote Execution Daemon. |
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| RLOGIN | TCP | 513 | Remote Login. |
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| ROADRUNNER | TCP/UDP | 1026 | This is an ISP that provides services |
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| mainly for cable modems. |
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| RTELNET | TCP | 107 | Remote Telnet. |
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| RTSP | TCP/UDP | 554 | The Real Time Streaming (media |
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| control) Protocol (RTSP) is a remote |
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| control for multimedia on the |
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| Internet. |
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| 383 |
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