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000041_news@newsmaster….columbia.edu _Wed Jul 9 06:22:17 1997.msg
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From: pim@cti-software.nl (Pim Zandbergen)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: reverse telnet using raw TCP (Linux modemd)
Date: 9 Jul 1997 11:58:31 +0200
Organization: CTI Software BV, The Hague, the Netherlands
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fdc@watsun.cc.columbia.edu (Frank da Cruz) writes:
>: But there is one problem I cannot seem to prevent: when I type
>: AT<CR>, the modem responds with OK<CR><NL><NL> instead of OK<CR><NL>.
>:
>Again, I think the problem is that K95 is obeying the Telnet NVT
>specification and the server is not. K95 has a command to let you tell
>it to skip the proper NVT behavior with regard to carriage returns:
> SET TELNET NEWLINE BINARY { ON, OFF, RAW }
>Try "raw" or "off".
Because modemd does not answer to any telnet negotiation initiated by
K95, K95 (1.1.13) never seems to go into binary mode, no matter what
SET TELNET BINARY-MODE option I use.
I now have the proper newline behaviour by using
SET TELNET NEWLINE NVT RAW, but I wonder what problems I might expect
if K95 remains using NVT mode.
The manual says that when telnet binary mode is negotiated, all characters
are sent unquoted, except TELNET IAC. Is there any way to send IAC unquoted ?
This would probably mean skip the telnet protocol all together, but this
is just what I want. It would probably even allow ZMODEM transfers over
modem servers, which would be a plus.
--
E-mail : Pim Zandbergen <pim@cti-software.nl>
S-mail : Laan Copes van Cattenburch 70, 2585 GD The Hague, The Netherlands
Phone : +31 70 3067373
Fax : +31 70 3067374