SCP with Resume Feature

David Newall openssh at
Wed Apr 7 10:42:16 AEST 2021

Is it really the end, though?  Maybe we need to maintain support of SCP 
protocol for interoperation with servers and clients that don't do SFTP?

-------- Forwarded Message --------
Subject: 	Re: SCP with Resume Feature
Date: 	Tue, 6 Apr 2021 06:18:27 -0400
From: 	Demi Marie Obenour <demiobenour at>
To: 	Damien Miller <djm at>
CC: 	openssh-unix-dev at

On 4/5/21 6:22 PM, Damien Miller wrote:
> On Sat, 3 Apr 2021, Demi Marie Obenour wrote:
>> On 4/1/21 1:50 PM, rapier wrote:
>>> Howdy all,
>>> I know development on SCP is discouraged but being that it's still
>>> in wide use I thought I would do some work some of my users have
>>> been asking for and allow SCP to resume from a partial transfer.
>> Would it be possible to instead reimplement SCP in terms of SFTP, and 
>> then add
>> this feature to SFTP? My understanding is that such a 
>> re-implementation is
>> something many people have wanted for quite a while.
> Yes, and there are patches to do this awaiting review:
> -d

Sooner those get merged, the better, IMO. I for one will celebrate the end
of the SCP protocol.



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