This is a discussion on Re: Passive sftp? - openssh ; On Tue, 4 Mar 2008, Leroy Tennison wrote: > I've heard of passive ftp but this is new to me. I searched the Web for > 'passive sftp' and got 32 hits total of which only a few applied and ...
On Tue, 4 Mar 2008, Leroy Tennison wrote:
> I've heard of passive ftp but this is new to me. I searched the Web for
> 'passive sftp' and got 32 hits total of which only a few applied and none of
> which explained anything.
> Is there such a thing? If so, what are it's features and
> characteristics? The comment came from a vendor in the context of
> "keeps sftp from prompting for a password" which I had associated with
> user keys. Is the vendor confused or do they know something I don't?
In the FTP protocol, "passive" means that only one connection is
established, originating in the client. All trafic goes over this
connection. (In non-passive FTP, the server opens a second channel back to
No such differentiation exists in SFTP. There is only one connection.
The vendor may be using "passive" in a different sense, but I don't think
it is a widely accepted usage.
.....Bob Rasmussen, President, Rasmussen Software, Inc.
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