Re: scp: now using SFTP protocol by default

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On 9/19/21 9:42 PM, Damien Miller wrote:
> On Thu, 9 Sep 2021, Damien Miller wrote:
> 
>> FYI: the next release will have scp using the SFTP protocol by
>> default.
>>
>> There are two known incompatibilities:
>>
>> Use of the SFTP protocol avoids interpretation of remote paths by
>> the shell. We consider this a feature, but it does change (simplify
>> really) necessary quoting of shell characters.
>>
>> Remote paths with a ~user/ prefix require a SFTP protocol extension
>> that was included in OpenSSH 8.7's sftp-server.
>>
>> The original scp/rcp protocol remains available via "scp -O ..."
>>
>> If you're in a position to test snapshots/git prior to release
>> (ETA October), then it would be appreciated.
> 
> FYI, I'm rolling this back for the release that will happen in a few
> days. We want to give people a bit more time to pick up the sftp-server
> "expand-path@xxxxxxxxxxx" extension to support ~user paths.

Is it still possible to explicitly enable use of the SFTP protocol,
preferably in a way that causes old versions of scp (which don’t support
it) to fail?

Sincerely,

Demi Marie Obenour
she/her/hers

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