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000245_news@columbia.edu _Sat Apr 29 23:06:54 2000.msg
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From: jaltman@columbia.edu (Jeffrey Altman)
Subject: Re: lrzsz + telnet + kermie = ?
Date: 30 Apr 2000 02:51:27 GMT
Organization: Columbia University
Message-ID: <8eg73f$m3t$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
In article <sYMO4.48800$MZ2.566028@news1.wwck1.ri.home.com>,
Bob Bernstein <PooBah@ruptured-duck.com> wrote:
: Has anyone managed to coax ckermit to do zmodem transfers via telnet using
: the lrzsz package? Consider:
:
: Two machines are on the same LAN, acessing the 'net via the same
: gateway/firewall. One runs Win95; its K95, with onboard zmodem, can
: flawlessly grab qwk packets off the local BBS via the latter's telnet node.
: The other, a Linux box, runs ckermit and flubs all efforts to do the same,
: spawning endless CRC errors from its invocation of rz. This same ckermit and
: rz have no trouble if the connection is made via dialup/modem.
lrzsz does not understand how to process data encoded for telnet protocol.
If the data being transfered includes either unquoted CR or IAC characters
you will be unable to transfer the data via lszrz over a telnet connection.
K95 does not have this problem with the internal zmodem because in that
situation K95 processes the telnet protocol translations. When lszrz is
started by C-Kermit, it communicates directly with the socket via
redirected stdio. C-Kermit is not involved in the connection during
the zmodem transfer.
Jeffrey Altman * Sr.Software Designer * Kermit-95 for Win32 and OS/2
The Kermit Project * Columbia University
612 West 115th St #716 * New York, NY * 10025
http://www.kermit-project.org/k95.html * kermit-support@kermit-project.org