Deprecation of scp protocol and improving sftp client

Blumenthal, Uri - 0553 - MITLL uri at
Wed Jun 17 04:25:25 AEST 2020

I don’t think the majority of users even know what’s under the hood of scp, let alone care. 

So, whatever change one can make that is transparent to the users *and* doesn’t negatively impact performance, is bound to be a winner.

Somehow, I doubt sftp can provide that, but I’d be happy to be proven wrong here. 


> On Jun 16, 2020, at 14:02, Stuart Henderson <stu at> wrote:
> On 2020/06/16 17:37, Peter Stuge wrote:
>> Jakub Jelen wrote:
>>> Any ideas/comments/suggestions?
>> I doubt that upstream would drop the scp utility and protocol easily.
>> There is no point in breaking compatibility
> OpenSSH does break compatibility where there's good reason to.
> SSH 1, <1024 bit keys.
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