Re: Limitation for User

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edwardspl@xxxxxxxxxx wrote:
> Les Mikesell wrote:
> 
>> edwardspl@xxxxxxxxxx wrote:
>>
>>> Dear All,
>>>
>>> I want to how to config the limitation ( permission ) from the
>>> following ?
>>>
>>> [svradmin@svr1 etc]$ pwd
>>> /usr/local/proftpd/etc
>>> [svradmin@svr1 etc]$ ls -l
>>> total 4
>>> -rw-r--r-- 1 root root 1894 Feb 20 00:22 proftpd.conf
>>> [svradmin@svr1 etc]$
>>>
>>> Only allow user root, svradmin and edward they can access to
>>> /usr/.local/proftpd/etc/ ( directory ) and read / modify the config
>>> file ( such as proftpd.conf ).
>>
>> Root automatically has full access and doesn't need special
>> consideration. One of the other users (svradmin) can be the owner and
>> have rwx permission. To allow access by additional users you can add
>> group rwx permission and put the users in the of the files. Having a
>> single other user is a slightly special case where you could give
>> edward's group to the file instead of the other way around. In any
>> case you need to be careful when creating new files to set the correct
>> group.
>>
> Hello,
> 
> Do you means (operation steps ) :
> chown -R svradmin.edward /usr/local/proftpd/etc
> chmod 660 /usr/local/proftpd/etc/proftpd.conf
> 
> So, Only svradmin, edward and root user they can access to the directory
> and read / modify the file, right ?

Yes - you probably also want
chmod 770 /usr/local/proftpd/etc
if it doesn't have those modes already.  Also, you need to check that
this does not prevent the proftpd program from reading its own config
file.  I don't know if it runs as root at that point or not.  If it runs
with non-root permissions as it starts, you'll have to be sure it has
permission.  If there is no sensitive information there you could just
allow 'other' read access.

-- 
  Les Mikesell
   lesmikesell@xxxxxxxxx


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