Damian Menscher wrote:
On Mon, 9 Aug 2004, Christopher X. Candreva wrote:
Suppose there was a DNS entry, say virusdb.clamav.net (or
version.virusdb.clamav.net, etc), that returned simply a text record with
the current DB version in it.
After seeing a Defcon talk on putting arbitrary data in DNS, though, IYou know, this isn't so crazy after all. I put arbitrary data on my DNS server so that exim
wonder if we could put the daily updates (gpg signed) into DNS? That
would take a lot of load off the mirrors (occasional checks for main.cvd
updates are all that is required). And caching DNS servers would
distribute the load a bit.
can get config data using dnsdb lookup. Its cheaper than mysql lookup (Plus, you eliminate single point of failure),
and you can still update config from a central location instead of updating each server config.
The only snag, is that TXT record is limited to a number of bytes ( I tried putting 4096 bytes on it, it didn't work).
Now, the question is, can the daily (or hourly) updates fit in a single TXT record?
If it must span multiple records than it will be somewhat complicated ....
Regards,
Fajar -- http://justreadthis.com/
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