On Fri, Oct 08, 2004 at 06:17:36PM +0800, Miguel A Paraz wrote:
> Scenario:
> remote host A allows SSH and only SSH from local host B
> localhost B is on a LAN with Windows users
> users want to manage files on remote host A
> 
> Current solution:
> SSH tunnel with '-g' flag from B:2222 to A:22
> sftp/scp (WinSCP) from LAN users to B:2222
> 
> While this works, SSH over SSH performance isn't good, as one would
> expect from encryption over encryption.

More curious than anything: why isn't performance of SSH/SCP/SFTP over
the SSH tunnel good? Is it because of the encryption overhead on
bandwidth? Or the encryption CPU load on hostA and/or hostB? Does
compression offer any benefit at all?

> What's a file transfer/protocol that uses only one TCP connection?
> (Not FTP.)
> 
> Or maybe encryption could be disabled on the higher layer sftp/scp?

Why must the file transfer/protocol use only one TCP connection, and why
must it not be FTP? Considering you've already secured the connection
between hostA and hostB's LAN, could you not use FTP through that tunnel
with peace of mind? Or is password sniffing on hostB's LAN an issue, as
well?

 --> Jijo

-- 
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GNU/Linux Specialist : GnuPG 0x93B746BE : we refer to freedom, not price.
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