WinSCP mega-slowness

[Xn Nooby]

would doing a 'make install clean' inside /usr/ports/security/hpn-ssh  fix
the default scp program?



On 2/20/06, fbsd_user <fbsd_user at a1poweruser.com> wrote:
>
> There is a patch to OpenSSH to fix the buffer size problem caused be
> the different operating systems OpenSSH runs on.  When the host and
> remote are different operating systems the send/receive buffer sizes
> do not match and this causes drastic slow down. Like in using Winscp
> client connecting to a FreeBSD box or Linux box.
>
> ports/security/hpn-ssh/
>
> contains the patch code to fix this problem in sshd/ssh.
>
> Check out the patches home page at
> http://www.psc.edu/networking/projects/hpn-ssh/
>
>
> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org
> [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Martin
> Hepworth
> Sent: Monday, February 20, 2006 2:16 PM
> Cc: freebsd-questions at freebsd.org
> Subject: Re: WinSCP mega-slowness
>
>
> Hate to do a me too, but I gotta agree.
>
> I did the same file transfer using cygwin's scp and winscp and cygwin
> was
> about 10x faster.....
>
>
> On 2/20/06, Xn Nooby <xnooby at gmail.com> wrote:
> >
> > For about a year I have noticed that whenever my Windows boxes talk
> to my
> > Unix boxes, they communicate at about 1/10 normal speed. I copy lots
> > (300GB)
> > of large files back and forth between machines as I try different
> OS's,
> > and
> > I always see this.
> >
> > Specifically, if I copy from FreeBSD to FreeBSD, files transfer at
> 11 megs
> > per second.  Between FreeBSD and Linux, at about 8 megs per
> > second.  Between
> > FreeBSD and Windows, about 1 megabyte per second.  This is on
> identical
> > hardware.  I've told other people about this, and they usually say I
> must
> > be
> > doing something wrong, but recently a friend of mine upgraded a
> Windows
> > box
> > to SP2, and now they are getting this same slowness.  When I copy
> from
> > Windows to WIndows (XP or W2k), I get 11 megs per second.
> >
> > My machines are two P4's with gigabit NICs, and I'm using WinSCP and
> > (somtimes) pscp.exe on WIndows to talk to sshd on FreeBSD.  It's
> always a
> > shock when I have to copy my data to WIndows, and it takes 30 hours
> > instead
> > of 3.
> >
> > Does anyone else ever see this slowness when copying files between
> FreeBSD
> > and Windows?
> >
> > Is Windows maybe capping the transfer speed when it talks to Unix?
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