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Re: Setting up bind9/DNS

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On Fri, 28 Jun 2019 11:44:54 -0500
Dennis Wicks <wix@mgssub.com> wrote:

> Greetings,
> 
> I have apache2 installed on my local machine with a bunch of 
> virtual hosts that I use for test and development of html, 
> wordpress, etc. It works fine to access the virt hosts 
> locally, but I want to access them from other systems on my 
> local network; windows/IE of various versions, smart phones, 
> tablets, laptops, etc.
> 
> They all can access my base host name because my DSL 
> modem/router has DHCP and DNS in it and when it sets up an 
> address with DHCP it puts an entry in its DNS and everything 
> is fine. (All systems on the local net use the modem/router 
> for dns.) But nothing like this happens with the virtual hosts!
> 
> I was thinking that I could setup a nameserver on my machine 
> with enries in it for the virtual hosts and have my local 
> network address in the list of nameservers in my 
> modem/router, and that is where I need the help.
> 
> I have installed bind9, running on buster. So how do I set 
> up the name server and populate it with the info for my 
> virtual hosts? Pointers to forums, cookbooks, etc. would be 
> appreciated as well as hints and tips!
> 

There are probably simpler solutions, but BIND works fine.

The thing you need to know is 'rpz', Response Policy Zone. Otherwise
you would have to set up a separate zone file for each of your domains.
With rpz, you can just throw any hostname and IP address into one file,
a sort of /etc/hosts for BIND.

This is a good quick tutorial:
https://www.redpill-linpro.com/sysadvent/2015/12/08/dns-rpz.html

Assuming the standard BIND architecture on Debian hasn't changed in the
last few years: the db.rpz file goes in /etc/bind, along with other
'system' db files. 

The zone definition goes in /etc/bind/named.conf.local.

The 'response-policy ( zone "rpz"; );' (don't forget the semicolons)
goes in /etc/bind/named.conf.options.

Don't worry about the logging. When you add another host to db.rpz,
don't forget to increment the serial, which tells BIND that things have
changed. The tutorial shows a date-related large number for this, but
you can start it at 1. If there's anything that isn't clear, look for
more tutorials and compare them, I don't know any more than is in this
one.

Oh, always check the syslog after restarting BIND. If it finds the
slightest error in a configuration file, it will silently fail to
restart, or at best, not use the offending zone.

-- 
Joe

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Thread

Setting up bind9/DNS Dennis Wicks <wix@mgssub.com> - 2019-06-28 18:50 +0200
  Re: Setting up bind9/DNS john doe <johndoe65534@mail.com> - 2019-06-28 19:50 +0200
  Re: Setting up bind9/DNS Bob Weber <bobrweber@gmail.com> - 2019-06-28 20:00 +0200
  Re: Setting up bind9/DNS Joe <joe@jretrading.com> - 2019-06-28 22:10 +0200
    Re: Setting up bind9/DNS Alessandro Vesely <vesely@tana.it> - 2019-07-03 08:50 +0200

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