Sorry - built-in OpenSSH chroot functionality
On Thu, Dec 29, 2011 at 12:36 AM, azlobo73 <
azlobo73@gmail.com> wrote:
> If you can either relocate the vhost or the user home directory, then this
> might be of some help, which explains using built-in chroot functionality
> with sftp access to restrict access and visibility:
> http://www.debian-administration.org/articles/590
>
> Ben
>
>
> On Wed, Dec 28, 2011 at 9:54 PM, Eric Shubert <ejs@shubes.net> wrote:
>
>> That should be ok.
>>
>> Be sure you have your ftp server configured such that they cannot access
>> folders above/across their home folder. File permissions may handle this,
>> but probably will not (many things are world readable).
>>
>> Also, be sure that they cannot login to a command prompt by setting their
>> login shell to /sbin/nologin (might vary with distro). This is commonly
>> done for service accounts (apache, etc).
>>
>>
>> On 12/28/2011 03:38 PM, Mark Phillips wrote:
>>
>>> Thanks to everyone for their suggestions. Based on some constraints,
>>> your advice, some googling, I arrived at this set-up, but I am not sure
>>> how secure it is.
>>>
>>> 1. The web creation software (iWeb on a Mac) only supports ftp and sftp
>>> to upload a site.
>>> 2. iWeb does not support the use of "versions" for the web pages. By
>>> that I mean iWeb is strictly one way - create a site and publish it. It
>>> cannot import an iWeb site, it has to start at the beginning. One can
>>> create a site and publish it, then edit the site, and publish again, but
>>> it cannot import or use a previous version of the site as a starting
>>> point. (I mention this because Eric suggested using git, which sounded
>>> like a great idea, but alas
>>>
>>> I have this setup, but I could use some advice on how to make it more
>>> secure....
>>>
>>> 1. User account fred
>>> 2. fred's home is /var/www/domain/fred
>>> 3. /var/www/domain/fred has owner:group fred:fred
>>> 4. Document root is /var/www/domain/fred
>>>
>>> Thanks,
>>>
>>> Mark
>>>
>>> On Wed, Dec 28, 2011 at 10:26 AM, Eric Shubert <ejs@shubes.net
>>> <mailto:ejs@shubes.net>> wrote:
>>>
>>> On 12/27/2011 10:46 PM, Mark Phillips wrote:
>>>
>>> I need to give a user access to my web server via sftp to upload
>>> web
>>> site changes. What is the best way to do this? I have several
>>> other
>>> sites on the same server, so I want to prevent them or anyone
>>> else who
>>> gains access to their account from being able to make changes to
>>> those
>>> sites or other parts of the server.
>>>
>>> Thanks,
>>>
>>> Mark
>>>
>>>
>>> I use vsftp, which can be configured to allow users access only to
>>> their web site's tree. sftp might be able to do the same.
>>>
>>> Then, create their user such that their home directory is their web
>>> site's directory, and they cannot log in to the system (only vsftp)
>>> with an /etc/passwd entry like this:
>>> vsftpuser:x:511:511::/var/__**vhosts/domain.com/docs:/sbin/_**
>>> _nologin <http://domain.com/docs:/sbin/__nologin>
>>> <http://domain.com/docs:/sbin/**nologin<http://domain.com/docs:/sbin/nologin>
>>> >
>>>
>>>
>>> Files in their web site are owned by their user, with read
>>> permissions for 'other' (o+r), which allows apache (or nginx) to
>>> read them.
>>>
>>> --
>>> -Eric 'shubes'
>>>
>>>
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>>>
>>>
>>
>> --
>> -Eric 'shubes'
>>
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>
>
>
> --
> ---
> Ben
>
> python -c "exec(\"import math\\nprint ''.join(map(lambda x: chr(x), (
> (ord('a')-(3*5)), int(math.sqrt(math.pi*76)*5+2),
> int(math.ceil(math.e)*28), int(math.floor(math.e)*35),
> long(abs(4%3*35+3)*2))))\")"**
>
>
--
---
Ben
python -c "exec(\"import math\\nprint ''.join(map(lambda x: chr(x), (
(ord('a')-(3*5)), int(math.sqrt(math.pi*76)*5+2),
int(math.ceil(math.e)*28), int(math.floor(math.e)*35),
long(abs(4%3*35+3)*2))))\")"**
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