Date: Sat, 23 Jan 2016 21:33:05 +0100 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Kevin Oberman <rkoberman@gmail.com> Cc: Julian Elischer <julian@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, freebsd-security@freebsd.org Subject: Re: HPN and None options in OpenSSH Message-ID: <86wpr0c9z2.fsf@desk.des.no> In-Reply-To: <CAN6yY1vXFFsvfaZ4cHrnG9rzDee44tf=Dm4Qpaa4zOgG%2B-LUMg@mail.gmail.com> (Kevin Oberman's message of "Sat, 23 Jan 2016 09:15:36 -0800") References: <86mvrxvg79.fsf@desk.des.no> <56A2DE54.6070603@freebsd.org> <861t98e1el.fsf@desk.des.no> <CAN6yY1vXFFsvfaZ4cHrnG9rzDee44tf=Dm4Qpaa4zOgG%2B-LUMg@mail.gmail.com>
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Kevin Oberman <rkoberman@gmail.com> writes: > Dag-Erling Sm=C3=B8rgrav <des@des.no> writes: > > Julian Elischer <julian@freebsd.org> writes: > > > what is the internal window size in the new ssh? > > 64 kB. > Are you sure of this? Sorry, I was thinking of 6.6 (in stable/10). The buffer code in 7.1 supports dynamically-sized buffers with a hard limit of 128 MB. The default window size for client sessions is 2 MB, or 1 MB if associated with a tty. I'm not sure what the maximum size is. Note that scp, sftp etc. count as client sessions. X11 and agent forwarding use different (smaller) windows which improve latency at the cost of throughput. > [...] scp still performed poorly when compared to other technologies scp is a horrible protocol, use sftp or (preferably) rsync over ssh. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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