BIND 9 on a dynamic ip address

[Ryan J. Cavicchioni]

Thank you for the replies. Ash, can I use my dynamic dns hostname as
the domain which actually points to my network? Would that still be
trouble?

Ash wrote:

> Andrew P. wrote:
>
>> Ryan J. Cavicchioni wrote:
>>
>>> Hello, I am hoping to set up a DNS server for my home network
>>> just for the sake of learning BIND. Unfortunately, I have a
>>> PPPoE connects (wireless broadband) with a dynamic ip address.
>>> At the moment, I use dyndns just so I have a hostname and I
>>> would like to keep using dyndns. All I am looking to do is to
>>> use bind for hosts in my network and have a local dns cache. I
>>> do not plan on pointing any domains to my nameservers. Would
>>> this be possible? Or will there be problems that I am not
>>> foreseeing? I am really new at this, that is why I would like
>>> to leard bind.
>>
>>
>>
>>
>> If you have a stable LAN ip address, it's not a problem.
>> Configure BIND to listen on it and the dynamic address you get to
>> use internet won't bother anyone (even BIND itself).
>>
>> On the other hand, configuring a DNS server listening on a
>> dynamic IP address is a really bad idea.
>>
>> BIND 9 Administrator Reference Manual is a good place to start (I
>> started there a few weeks ago).
>>
>> http://www.bind9.net/manual/bind/9.3.1/Bv9ARM.html
>>
>>
>> Best wishes, Andrew P.
>> _______________________________________________
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>
>
>
> Adding to Andrew's comments. If you do not have a LAN interface,
> you should be able to use a loopback (lo(4) interface to test
> things with. You will^H^H^H^Hshould always have lo0 up and
> listening to 127.0.0.1 (/8). You can bring up other instances of
> lo(4) with ifconfig(8) and treat it as you would any other
> interface. For example if you want to create lo1, you would type:
>
> # ifconfig lo1 create
>
> If you do have a local network, you can run bind without any
> difficulties on just your local network without any problems. You
> just want to be sure that you don't tell your servers that they are
> authoritative for a real domain (e.g. freebsd.com) or else you
> won't be able to resolve any host/sub-domain from freebsd.com. You
> can safely pick a non-valid domain without expecting to run into
> problems. An example would be my.lan (e.g. host1.my.lan
> host2.my.lan). Since .lan is not a valid TLD (at least today), you
> can expect to use it without running into any collisions. I believe
> Cisco uses .lan as a fake "TLD" in some of their lower end
> equipment (e.g. wireless APs/routers).
>
> Good luck!
>
> -Ash _______________________________________________
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>
>