Subj : Re: Zmodem and "RAW"
To   : deon
From : fusion
Date : Thu Jul 06 2023 09:03 pm

On 07 Jul 2023, deon said the following...
 
 de>   Re: Zmodem and "RAW"
 de>   By: Digital Man to deon on Thu Jul 06 2023 11:59 am
 de> 
 de>  >  > Ahh, OK. So you need a shim of sorts? IE: Something to absorb 0xff a
 de>  >  > escape it (and doing the telnet binary mode thing)...
 de>  >
 de>  > Simply absorbing 0xff wouldn't be enough either as there are a variable
 de>  > number of bytes that follow the 0xff that constitute the Telnet command
 de> 
 de> Right, which is why the shim would need to escape it before sending it
 de> on. In a binary file transfer, its not an IAC command.

a 'real' telnetd will continue interpreting telnet negotiations even during a zmodem transfer. the telnetd doesn't even know zmodem is running.

--- Mystic BBS v1.12 A47 2021/12/25 (Windows/32)
 * Origin: cold fusion - cfbbs.net - grand rapids, mi (21:1/616)

.