
Appendix E Common Services
Table 74 Commonly Used Services (continued)
NAME | PROTOCOL | PORT(S) | DESCRIPTION |
TCP | 1521 | Structured Query Language is an interface to | |
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| access data on many different types of database |
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| systems, including mainframes, midrange systems, |
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| UNIX systems and network servers. |
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|
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 UNIX |
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| server. |
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TACACS | UDP | 49 | Login Host Protocol used for (Terminal Access |
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| Controller Access Control System). |
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TELNET | TCP | 23 | Telnet is the login and terminal emulation protocol |
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| common on the Internet and in UNIX environments. |
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| It operates over TCP/IP networks. Its primary |
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| function is to allow users to log into remote host |
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| systems. |
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TFTP | UDP | 69 | Trivial File Transfer Protocol is an Internet file |
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| transfer protocol similar to FTP, but uses the UDP |
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| (User Datagram Protocol) rather than TCP |
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| (Transmission Control Protocol). |
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VDOLIVE | TCP | 7000 | Another video conferencing solution. |
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