Re: Google's robots.txt handling

["Lehman, Jim" <jim.lehman () interactivedata com>]

Yes I think you misunderstood or more likely I poorly worded the post. White listing is better than black listing. 
Black listing something you don't want googlebot to index just makes it easier for someone to find something you don't 
want indexed. If that content is sensitive, it probably should not be publicly accessible in the first place. But 
people never put sensitive content on web server (weak attempt at humor, my apologies).  I am beating the dead horse 
here, but robots.txt is not a security control. 
Most of the time robots.txt is great for recon sense and not Amy measure of defense. 

White listing just helps in not exposing too much information, a speed  bump if anything security related. I think this 
falls under the 'defense in depth' heading.   

-----Original Message-----
From: full-disclosure-bounces () lists grok org uk [mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of 
Christoph Gruber
Sent: Wednesday, December 12, 2012 3:19 AM
To: full-disclosure () lists grok org uk
Subject: Re: [Full-disclosure] Google's robots.txt handling

On 12.12.2012 at 00:23 "Lehman, Jim" <jim.lehman () interactivedata com> wrote:

> It is possible to use white listing for robots.txt. Allow what you want google to index and deny everything else. 
> That way google doesn't make you a goole dork target and someone browsing to your robots.txt file doesn't glean any 
> sensitive files or folders. But this will not stop directory bruting to discover your publicly exposed sensitive 
> data, that probably should not be exposed to the web in the first place. 

Maybe I misunderstood something, but do you really think that "sensitive" can be hidden in "secret" directories on 
publicly reachable web servers?
-- 
Christoph Gruber
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