[Bug 2743] ssh with -T hangs putty

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2743

--- Comment #5 from Darren Tucker <dtucker at zip.com.au> ---
(In reply to balu from comment #4)
[...]
> I modified the win32-openssh client to send "\n" instead of "\r" so
> the command gets executed but the per-keystroke echo is not working.

As I keep telling you: there is no per keystroke echo without a pty!

Keystroke echo is a function of the tty layer (the pty in this case). 
I recommend reading the chapter on Terminal I/O in Richard Stevens'
_Advanced Programming in the Unix Environment_.

[..]
> Is there anything we need to do to show the per-keystroke echo?

Stop telling ssh to not request a pty.

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