On 03/24/2014 01:06 PM, Reindl Harald wrote:

Am 24.03.2014 12:57, schrieb Nicolas Mailhot:

Le Sam 22 mars 2014 01:20, Miloslav Trmač a écrit :

The RHEL documentation, apart from fully describing the abilities,
specifically describes two uses: a ftpd banner

Surprisingly, ftp is still widely used entreprise-side, because ssh is
giving too much access

no, it is easy to restrict ssh to ONLY sftp and chroot and with
simple bind-mounts you can completly replace ftp, doing that here
in production over years with 3 simple scripts

It's still very difficult to securely process uploaded files under a different user account.  Some SFTP clients set restrictive permissions on upload, and the OpenSSH implementation does not allow to bypass that.

--
Florian Weimer / Red Hat Product Security Team

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