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This article is from a FAQ concerning SCO operating systems. While some of the information may be applicable to any OS, or any Unix or Linux OS, it may be specific to SCO Xenix, Open There is lots of Linux, Mac OS X and general Unix info elsewhere on this site: Search this site is the best way to find anything.

Where can I get ssh for old SCO Unix?

You can obtain source from https://www.openssh.org

Try Linut's Lair for many hard to find SCO binaries.

J.P. Radley has openssh binaries available at jpr.com

There is a LOT of stuff at ftp://ftp.celestial.com/pub/.

Roberto Zini has provided this link for binaries: ftp://drake.strhold.it/sco_security

However, keep in mind that if you are really concerned about security, you'd want to compile this yourself, and of course even then you need to be sure of the source.

I've also placed Roberto's binaries at:

These files should be untarred to /usr/local/ssh. That is, assuming the tarball is in /tmp:

cd /tmp
uncompress ssh_*
mkdir -p /usr/local/ssh
cd /usr/local/ssh
tar xvf /tmp/ssh_*

Then add /usr/local/ssh/man to your MANPATH in /etc/default/man and /usr/local/ssh/bin to your PATH.

Caldera now has compiled binaries in "custom" format at ftp://stage.sco.com/pub/security/openserver/CSSA-2002-SCO.10/

Note on "scp": if you see "scp not found" it is the OTHER end that doesn't have scp. Just because they have sshd doesn't necesarily mean scp will work.

Note that you need libraries from the Skunkware Glib set for these to work. Specifically you will get an error referring to /usr/local/lib/libz.so.1 if you have not installed Glib.

J.P. Radley has a statically compiled version at ; you'll need Bzip from Skunkware to unzip it.

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-> Where can I get ssh? (SCO Unix)

---December 22, 2004

There is no mention of the skunkware openssh files on this FAQ:


I am not sure if this package is free of security vulnerabilities though. Either way, it should be worth a mention...

Also, the README.ssh file on your FTP stie is over 2 years old not sure if there is a newer file to put up there - Gantry

---December 22, 2004

I have nothing newer..

Those were contributed by other people.

It's not unfair to say that I have limited patience, but in general, getting anything working on SCO that wasn't supplied as part of the OS can often be very frustrating.

I just won't work myself into knots over it anymore - it's so much easier just to throw a Linux box in and not have to deal with the foolishness. If the SCO can't be replaced entirely, we use the Linux as the gateway - easier, more secure, trivial to keep up to date.


---December 22, 2004

Agreed 100% Tony, but remote access via ssh is a quick-fix for customers who want to access their SCO systems via Internet. Configure the firewall to forward a port, configure a static IP on the remote end and you are done. But it would be nice to know which openssh server to use, I have a feeling the skunkware one is out of date and vulnerable. This is doubly bad if the remote user can't get a static IP on their end and you have to open up the firewall to a larger range...

-- Gantry

---December 22, 2004

Exactly. But with SCO, even if you get a secure version now, when the next problem comes up, you are back with a mess again, trying to find or compile something that works. I say forget it: take an old box, throw Linux on it, make that your ssh gateway, and telnet (or ssh inside the lan) to the SCO.


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