DynDNS ?

[Rob Butler]

If your already using a database to store your DNS
data why not do things the easy way.  Using DLZ you
can eliminate your custom DNS update scripts that read
from the database to create your zone files, and you
can have your update http write to the database for
your DynDns needs.  No need to use nsupdate or worry
about *.jnl files.

Check it out at http://bind-dlz.sf.net

Rob

--- Michelle Konzack <linux4michelle at freenet.de>
wrote:

> Am 2005-07-14 09:55:10, schrieb /dev/rob0:
> > A couple other tips, in case you've not managed a
> dynamic zone before:
> 
> Right.
> 
> > 1. ALL zone changes will have to be done using
> nsupdate(8), unless you 
> > stop named and delete the zone's journal file
> (/var/named/*.jnl or the 
> > *.jnl in whatever directory you are using.) Do not
> attempt manual edits 
> > of your dynamic zone's file without doing this.
> Also, understand that 
> > deletion of the journal inhibits IXFR; slaves will
> have to transfer the 
> > whole zone, not just the changed data.
> > 
> > 2. Comments in your nicely-edited zone file are
> gone. I had made mine 
> 
> I was already thinking on this issue.
> My curent zonefiles are autogenerated by a script
> from a postgresql.
> There will be no problem to change the script to use
> 'nsupdate', ok,
> the script will be much bigger and slower, but it
> schould work too.
> 
> > such a pretty one, with human-friendly sorting of
> records, and comments; 
> 
> Me too.  :-)
> 
> > named and nsupdate ate them. :) $INCLUDE's and
> $GENERATE's will be 
> > included and generated into the zone file. named
> will do its own simple 
> > dictionary sort of records by name.
> 
> So 'nano', 'mc' and #brain' are obsolete!  :-/
> 
> > 3. Notify is your friend, and so is BIND 9. I use
> Zoneedit service for 
> > the parent domain, and I tried setting them up as
> slave of the dynamic 
> > subzone. But they don't work with notifies, and
> they only do AXFR. I 
> > deleted that out of zoneedit and switched to a
> network of BIND 9 slaves. 
> > The slaves get their notifies and start their IXFR
> immediately. Changes 
> > are propagated in 2 seconds (when network lag is
> bad) or less.
> 
> OK.
> 
> > Wouldn't you also use a variable in place of the
> RR name? I do. Will 
> 
> Yes, I have around 30 Workstations, Laptops and
> servers to update
> 
> > there only be one user? I've offered mine to
> friends, so I've got a 
> > handful of users. I started this because a paying
> customer was on a 
> > dynamic IP (PPPoE), and we needed to be able to
> find that host.
> 
> Me too.
> 
> > I use TXT records in mine. I generate a UTC string
> of update and store 
> > as a TXT record. I think that's a useful feature,
> because it tells me 
> > when a user last updated his/her record.
> 
> I do logging too.  And I recommend it to all peoples
> which do such
> scripting.  Recording the source IP with timestamp
> is essential.
> 
> Maybe you/me will get hack attempts
> 
> > 86400 is a bit long for a TTL, if this is truly a
> dynamic IP. My own is 
> 
> Yes its 100% dynamic IP.
> 
> > dynamic in form but not in practice, so I can use
> longer TTL's, but even 
> > so I choose to keep it no more than 3600. I use
> 900 for a friend on 
> > dialup, 1800 for IP's which change occasionally,
> and 3600 for mostly 
> 
> I think, I will use this values too.
> 
> > static IP's. (TTL value is set in the user record
> which the CGI script 
> > uses for authentication, and I use a variable for
> that, too.)
> 
> OK
> 
> > > This is easier as I was thinking...
> > 
> > Indeed. Have fun with it.
> 
> :-)
> 
> Now I am working since 6 years and 4 month with
> Linux
> (since 2.0.36) and each day I have more fun.  :-)
> 
> Greetings
> Michelle
> 
> -- 
> Linux-User #280138 with the Linux Counter,
> http://counter.li.org/
> Michelle Konzack   Apt. 917                  ICQ
> #328449886
>                    50, rue de Soultz         MSM
> LinuxMichi
> 0033/3/88452356    67100 Strasbourg/France   IRC
> #Debian (irc.icq.com)
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> 
> 


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