On Wed, 9 Aug 2006, Antony Mawer wrote:

On 9/08/2006 9:16 AM, Marc G. Fournier wrote:
Can you tell me exactly what you do with those two pieces of data? Is there any way that information would be accessible from the internet?

Absolutely nothing else we do with it ... it just gives us a unique key to work with ... in fact, assuming each of your servers use a different IP, there is no reason you couldn't do the uname trick above to hide the hostname ...

Unless someone breaks into the server, or database, somehow, the data isn't accessible ...

What if we improved upon this - if instead of storing the hostname and IP address, we stored a one-way hash of this information? OpenSSH in recent versions takes the same approach with its authorized_keys files...

Could create problems long term .. one thing I will be using the IPs to do is:

SELECT ip, count(1) FROM systems GROUP BY ip ORDER BY count DESC;

to look for any 'abnormalities' like todays with Armenia ...

hashing it would make stuff like that fairly difficult ...

Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
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