Re: scp and sftp
the commercial ssh server has an option to chroot to a user's home
directory. there are patches available to openssh to do it also,
though i don't know if they've been thoroughly audited. check out
you can make sftp-server the user's shell to only allow sftp access.
On Sat, Mar 30, 2002 at 10:24:28PM -0500, Jon McCain wrote:
> I've been playing around with the scp and sftp components of putty and
> noticed what I consider a security hole. Winscp does the same thing.
> The user can change to directories above their home. Is there a way to
> chroot them like you can in an ftp config file? I don't see anything in
> the sshd config files. If you can't, how can I disable the scp
> functionality? I'm not talking about scp from the linux box. The users
> don't have shell access so that's not a problem. I'm referring to
> remote people using a scp client to access my linux machine. You can
> disable sftp ability by removing the sftp-server program but the scp
> server part seems to be part of sshd.
> I did not see anything about this issue on the openssh web site.
> Anybody got any suggestions?
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