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000235_news@columbia.edu_Wed Jun 28 01:38:03 1995.msg
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Path: news.columbia.edu!panix!bloom-beacon.mit.edu!usc!cs.utexas.edu!news.cs.utah.edu!cc.usu.edu!jrd
From: jrd@cc.usu.edu (Joe Doupnik)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Scrambled Characters in Telnet Session
Message-Id: <1995Jun28.073803.54848@cc.usu.edu>
Date: 28 Jun 95 07:38:03 MDT
References: <3sd3j2$2fr1@news-s01.ny.us.ibm.net> <1995Jun22.212304.54526@cc.usu.edu> <1995Jun26.173752.6036@tron.bwi.wec.com>
Organization: Utah State University
Lines: 87
Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <1995Jun26.173752.6036@tron.bwi.wec.com>, hendri1@ibm.net (Stan Hendrix) writes:
> In article <1995Jun22.212304.54526@cc.usu.edu>, jrd@cc.usu.edu (Joe Doupnik) says:
>>
>>In article <3sd3j2$2fr1@news-s01.ny.us.ibm.net>, hendri1@ibm.net (Stan Hendrix) writes:
>>> I get scrambled characters after hitting return key whenever I telnet to coin.missouri.edu.
>>> I have tried several different terminal types - vt100, vt220, ansi - as well as
>>> various NEWLINE-MODE settings. Nothing works.
>>---------
>> Haven't the vaguest. Coin.missouri.edu isn't in a nameserver that
>>I tried.
> It is also known as bigcat.missouri.edu
>
>> a) What Kermit and version number
> MS-DOS, v3.14
>> b) What terminal type the host is using
> Not sure. When you get to the government access center the default terminal is VT100
>
>> c) What those scrambled characters look like (because I can't
>>reproduce a connection from my place)
> When I hit the enter key I get strings of characters that look like this:
> ][^235[].
Or perhaps like this?
<<< Main Menu >>>
1 About COIN, Registration, and Help Desk
2 Post Office (E-mail and File Management)
3 School House
4 Library Center
5 Government Center
6 College, University, and Extension Center
7 Community and Social Services Center
8 Public Square
9 News Stand
10 Reference and Information Center
11 Internet Services
12 COIN will be down for one week of maintenance starting July 10
---------------------------------------------------------------
p = Previous Menu x = Exit COIN "go help" = extended help
m = Main Menu h = Help
Your Choice ==> ^[[?63;1;2;4;6;8;9;15;22c
The ^[[?63 etc text above is exactly as shown, that's a caret
and so on. The string is from Kermit, and it is the response to a "CSI c"
(aka ESC [ c) terminal identification request from the host. The remote
software is mistakenly echoing the response, and while so doing it is
translating the response ESC into printable pair ^[.
Now let's look a step deeper. I've omitted some escape sequences
preceeding the text above.
ESC HESC J
ESC K <<< Main Menu >>>
ESC K
ESC K 1 About COIN, Registration, and Help Desk
ESC K 2 Post Office (E-mail and File Management)
etc
ESC K m = Main Menu h = Help
ESC K
ESC KESC Y6 ESC KYour Choice ==> ^[[?63;1;2;4;6;8;9;15;22c
Here I've replaced literal Escape (\27) with "ESC " for
visibility in mail. These are VT52 commands, not VT100 level or above.
The host also echoes lots of control codes etc. The appearance is some
VT52 style BBS menu grafted onto a Sun Unix system. All told, it's
a bit peculiar.
If you say SET TERM VT52 to MS-DOS Kermit then the results
should be nicer.
Joe D.
> I have to delete them with the backspace key to get back to the cursor.
>> d) Whether you said SET DISPLAY 8-BIT or similar
> I am using the Kermit defaults.
>
>> e) Whether coin is an ASCII or EBCDIC machine (and what kind of
>>machine would be useful to know as well)
> I don't know but the first thing you see is "SUN UNIX OS" then a login prompt.
> You login as GUEST without a password.
>>
>> Joe D.
> As I said I use C-Kermit for OS/2 on my home machine and login to COIN as a
> VT220 terminal
> using the C-Kermit defaults and I don't have this problem. I am using the MS-DOS Kermit at
> work over a LANMAN/WFWG Winsock TCP/IP network.
>
> Thank for your help.