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- Network Working Group E. Killian
- Request for Comments: 779 LLL
- April 1981
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- TELNET SEND-LOCATION Option
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- 1. Command name and code.
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- SEND-LOCATION 23
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- 2. Command meanings.
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- IAC WILL SEND-LOCATION
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- The sender REQUESTS or AGREES to use the SEND-LOCATION option to
- send the user's location.
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- IAC WON'T SEND-LOCATION
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- The sender REFUSES to use the SEND-LOCATION option.
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- IAC DO SEND-LOCATION
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- The sender REQUESTS that, or AGREES to have, the other side use
- SEND-LOCATION commands send the user's location.
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- IAC DON'T SEND-LOCATION
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- The sender DEMANDS the other side not use the SEND-LOCATION
- option.
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- IAC SB SEND-LOCATION <location> IAC SE
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- The sender specifies the user's location to the other side via a
- SEND-LOCATION subnegotiation. <location> is a sequence of ASCII
- printable characters; it is terminated by the IAC SE.
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- 3. Default.
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- WON'T SEND-LOCATION
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- DON'T SEND-LOCATION
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- Killian [page 1]
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- RFC 779 April 1981
- TELNET SEND-LOCATION Option
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- 4. Motivation for the option.
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- Many network sites now provide a listing of the users currently
- logged in giving their names and locations (see the NAME/FINGER
- protocol, RFC 742). The location is useful for physically locating
- the user if he or she is nearby, or for calling them (a nearby phone
- number is often included). However, for users logged in via the
- network, the location printed is often no more than the originating
- site name. This TELNET option allows the user's TELNET program to
- send the user's location to the server TELNET so that it can be
- displayed in addition to the site name. This functionality is
- already present in the SUPDUP protocol (RFC 734).
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- 5. Description of the option.
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- When the user TELNET program knows the user's location, it should
- offer to transmit this information to the server TELNET by sending
- IAC WILL SEND-LOCATION. If the server's system is able to make use
- of this information (as can the ITS sites), then the server will
- reply with IAC DO SEND-LOCATION. The user TELNET is then free to
- send the location in a subnegotiation at any time.
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- Killian [page 2]
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