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| Appendix E Services |
| Table 204 Examples of Services (continued) |
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| NAME | PROTOCOL | PORT(S) | DESCRIPTION |
| PPTP_TUNNEL | 47 | PPTP | |
| (GRE) |
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| enables secure transfer of data over public |
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| networks. This is the data channel. |
| RCMD | TCP | 512 | Remote Command Service. |
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| REAL_AUDIO | TCP | 7070 | A streaming audio service that enables real |
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| time sound over the web. |
| 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 mainly |
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| for cable modems. |
| RTELNET | TCP | 107 | Remote Telnet. |
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| RTSP | TCP/UDP | 554 | The Real Time Streaming (media control) |
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| Protocol (RTSP) is a remote control for |
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| multimedia on the Internet. |
| SFTP | TCP | 115 | The Simple File Transfer Protocol is an old |
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| way of transferring files between |
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| computers. |
| SMTP | TCP | 25 | Simple Mail Transfer Protocol is the |
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| Internet. SMTP enables you to move |
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| messages from one |
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| another. |
| SMTPS | TCP | 465 | This is a more secure version of SMTP that |
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| runs over SSL. |
| SNMP | TCP/UDP | 161 | Simple Network Management Program. |
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| TCP/UDP | 162 | Traps for use with the SNMP (RFC:1215). | |
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| TCP | 1521 | Structured Query Language is an interface | |
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| to access data on many different types of |
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| database systems, including mainframes, |
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| midrange systems, UNIX systems and |
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| network servers. |
| SSDP | UDP | 1900 | The Simple Service Discovery Protocol |
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| supports Universal |
| SSH | TCP/UDP | 22 | Secure Shell Remote Login Program. |
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| STRM WORKS | UDP | 1558 | Stream Works Protocol. |
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| SYSLOG | UDP | 514 | Syslog allows you to send system logs to a |
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| UNIX server. |
| TACACS | UDP | 49 | Login Host Protocol used for (Terminal |
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| Access Controller Access Control System). |
| TELNET | TCP | 23 | Telnet is the login and terminal emulation |
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| protocol common on the Internet and in |
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| UNIX environments. It operates over TCP/ |
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| IP networks. Its primary function is to allow |
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| users to log into remote host systems. |
| 477 |
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