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date: Fri, 17 Nov 2006 08:25:30 -0500
from: AGlauser@xxxxxxxxxxxx
subject: Re: sFTP question


I think Jerry is trying to do the same thing I wanted to do but could 
not get it to work either. I needed to do an sFTP file transfer in 
unattended mode in the middle of the night and the company who I was 
sending data to used only sFTP but only with userid and passwords, not

public keys. 

This conversation has got me thinking - am I missing something, or is
sFTP using userid/password no more secure than normal FTP?  Is there
some method of passing the userid/password securely that hasn't been
mentioned?

----

Lets see, I always thought sFTP was an SSH related thing, while FTPS was
the FTP/SSL thing (just like HTTPS is HTTP/SSL). The first requires SSH
to operate, the later is the one involving certificates, TSL, SSL, and
such. 

In any FTP session, there are two connections, the command channel, and
the data channel. And depending on the FTPS implemention, either one,
both, or even neither can be encrypted. Whether you have to have a
pre-existing certificate, or the server gives you one when you connect
also varies.

And then there are any number of proprietary servers out there with
other requirements. FTP has some dark and mysterious corners sometimes.





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