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Re: security



On Mon, Feb 10, 2003 at 02:18:40PM +0100, Russell Coker wrote:
> On Sun, 9 Feb 2003 21:12, Jeffrey Taylor wrote:
> > It has been possible since BIND 8.x to run it non-root.  I did it on
> > my main machine (non-Debian).  It took a little fiddling with
> > permissions and ownership so it could read & write the configuration
> > and zone files.  Figure an hour to get it to work.  I should invest
> > another hour to improve the solution.  I now think it can be done more
> > securely.
> 
> I've been running BIND non-root for many years, I think I even had 4.x running 
> non-root.
> 
> I used the authbind package to allow binding to port 53 as non-root and needed 
> a few modifications to /etc/init.d/bind and some permissions of some files.  
> It wasn't too difficult.
> 
> Bind9 manages it's own security by dropping capabilities and does not work 
> with authbind.

Yep, I didn't explicitly mention it, but bind9 is running as the 'bind'
user.  I can't ever remember if this is the default or not, but it's
working just fine as a caching name server and as the authoritative
server for my house :)

-- 
Rob Weir <rweir@ertius.org>				http://ertius.org/

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