Glossary
TCP | Transmission Control Protocol. An Internet standard transport layer protocol defined in |
| STD 7, RFC 793. It is |
Telnet | Virtual terminal protocol in the Internet suite of protocols. Allows the user of one host |
| computer to log into a remote host computer and interact as a normal terminal user of the |
| remote host. |
terminal emulation | Software that allows a PC to mimic the signals of a specific type of terminal, such as a |
| VT100 or 3270, to communicate with a device requiring that terminal interface. |
TFTP | Trivial File Transfer Protocol. A standard TCP/IP protocol that allows simple file transfer to |
| and from a remote system without directory or file listing. TFTP is used when FTP is not |
| available. |
TraceRoute | A program that lists the hosts in the path to a specified destination. |
upstream | In the direction of the telephone network. |
XTACACS | EXtended Terminal Access Controller Access Control System. A user authentication |
| protocol, it is a Cisco extension of RFC 927. |
April 2000 |