[NTLUG:Discuss] how do I run two instances of named?

[Marcus Patman]

Can this be done? I'm not sure if it can. I know under most SYS V Unix
running multiple instances of daemons isn't possible.

-----Original Message-----
From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
Of m m
Sent: Thursday, August 10, 2000 6:17 PM
To: discuss at ntlug.org
Subject: Re: [NTLUG:Discuss] how do I run two instances of named?





>From: MadHat <madhat at unspecific.com>
>
>m m wrote:
> >
> > Hi all:
> > as Title, How do I run two instances of named at boottime?
> >
> > in the /etc/rc.d/init.d/named (RH 6.2) start section, I edit like:
> >
> > ...
> > daemon named -u nobody -g nobode /etc/named.public.conf
> > daemon named -u nobody -g nobode /etc/named.private.conf
> > ...
> > (there are these two files)
> >
> > it seems does not work in this way, do it?
> > when I check with "ps auxww | grep named" it only show the first one.
> >
> > any help?
>
>Unless you bind them to different ports, you can't.  You can only have
>one daemon listenning to aany given port at a time.  The first one binds
>to port 53 so the second one can't start.  The other option would be to
>have each one bind to a different IP, like thereal IP for the "public"
>and a nonroutable (10., 172.) to the private, but I am not sure how to

Is this the way people uses linux box for firewall?


>do that right off the top of my head.

could you give me some hint or direction to find how to do this?




>
>--
>MadHat at unspecific.com
>                                    "The 3 great virtues of a programmer:
>                                       Laziness, Impatience, and Hubris."
>                                                  --Larry Wall
>
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