dhcpd creating corrupt DNS entries via DDNS
Neff, Glen
glen.neff at emc.com
Fri May 31 15:33:34 UTC 2013
> > In authoring the script, it was written with the unfortunate assumption that since it was dumping forward records already stored and accepted by BIND (dig @<authoritative resolver> -t AXFR <forward zone>), that I didn't need to cleanse the data to build the reverse. Well, "cat\032/etc/FRIENDLYHOSTNAME.hop.usd.lab.emc.com" broke that process & assumption. That's how I knew.
> Eep. I think you want to make that script bulletproof with respect to exciting data. I guess you can do it as easily in the server as the script, but I suspect the tools you have available in the script are more flexible.
I intend to do both. I'll incorporate something similar to Denis Laventure's suggestion in my dhcpd config. I'll also add a routine to the script that builds our reverse zones that rejects & advises of non-friendly hostnames in forward records.
-G
/*
* Glen R. J. Neff
* USD Lab Operations Infrastructure Team
* glen.neff at emc.com
*
* EMC^2 == E^2
*/
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