Re: scp setup jailed chroot on Centos7

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Am 2017-10-24 12:19, schrieb Adrian Jenzer:

Hi Rainer
I would if I could but external offers only FTP and SCP...

Regards Adrian


AFAIK, for scp you need a proper shell.

I've done that exactly once (chrooted ssh) and it was such a pain that I vowed to never do it again.

The problem is that inside the chroot, you need:

 - nameresolution
 - a minimal passwd/shadow/group file (or ldap)
- maybe for scp, you can get away with a rather minimal device-tree - but for actual SSH access, I needed a fairly complete device tree inside the chroot (ttys ...). - that was with FreeBSD 10, I never tried it with anything else (due to its history with jails, creating functional, limited chroot-environments is somewhat in its genes, so to speak)

Somebody sent me the link to these scripts:

https://github.com/codelibre-net/schroot

Maybe you can use those scripts - I've never tried them.


Also, there's scp-only:
https://github.com/scponly/scponly/wiki

Haven't used that in years, either.
Concern over that one seemed to be that it's "another" shell and nobody had apparently done a thorough audit of it.
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