which uses openssh-4.2p1 enabling compression in WinSCP does
not work after the systems are connected (X over zip icon in
I looked at the openssh /etc/ssh/sshd_config file and saw that
compression by default was set to:
Reading the manpage states that clients should negoiate compression
_after_ authenticating againt sshd. This does not seem to be
If I set the compression to:
Then WinSCP works fine (zip icon has no X over it in status line)
and transfers are noticabley faster.
SSH man page states this was a security problem therefore
the "delayed" was introduced so "yes" should not be used.
I hope that is enough debug info for the winscp developers.