Re: Firewall startup script
On Mon, Sep 06, 2004 at 09:54:52PM +0200, Lorenzo Rossi wrote:
> you have to know I a newb..
Most people have been at some time in their history. :)
> I know that in "/etc/initd/" there are lots of scripts....but I'm
> steel studing the language..
That are just shell scripts. I suggest you read some basics about UNIX
in general, Linux in special and Debian in very special. One nice URL to
look through is
http://www.debian.org/doc/manuals/reference/reference.en.html
> > I personally prefer to start the firewall script from
> > /etc/network/interfaces like this:
> >
> > iface eth9 inet static
> > address ...
> > netmask ...
> > gateway ...
> > pre-up /etc/network/firewall.sh
>
> This advice seem to be very nice, I go to test it.
>
> Just one more question... :) Does the "pre-up" keyword meens that the
> Firewall is startup at the same time the interface is going up?
You may want to look at the interfaces(5) manual page (run "man 5
interfaces" from the command line). All those configuration settings are
described there.
> Looking at the prefix "pre" I should imagine that it start the firewall
> script before the interface is up, but this seem to me a bit strange...
Yes, that's correct. That doesn't slip anything through while the
interface is already up but the script is still being executed. In
reality it's just a matter of a second.
Christoph
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