Full Disclosure mailing list archives

Re: Google's robots.txt handling


From: Scott Ferguson <scott.ferguson.it.consulting () gmail com>
Date: Tue, 11 Dec 2012 09:19:19 +1100

/From/: Hurgel Bumpf <l0rd_lunatic () yahoo com>
/Date/: Mon, 10 Dec 2012 19:25:39 +0000 (GMT)
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Hi list,


i tried to contact google, but as they didn't answer my email,  i do forward this to FD.
This "security" feature is not cleary a google vulnerability, but exposes websites informations that are not really 
intended to be public.

(Additionally i have to say that i advocate robots.txt files without sensitive content and working security 
mechanisms.)

Here is an example: 

An admin has a public webservice running with folders containing sensitive informations. Enter these folders in his 
robots.txt and "protect" them from the indexing process of spiders. As he doesn't want the /admin/ gui to appear in 
the 
search results he also puts his /admin in the robots text and finaly makes a backup to the folder /backup.

<snipped>

This shouldn't be a discussion about bad practice but the google feature itself. 

Indexing a file which is used to prevent indexing.. isn't that just paradox and hypocrite?

Thanks,


Conan the bavarian

Your point eludes me - Google is indexing something which is publicly
available. eg.:- curl http://somesite.tld/robots.txt
So it seems the solution to the "question" your raise is, um, nonsensical.

If you don't want something exposed on your web server *don't publish
references to it*.

The solution, which should be blindingly obvious,  is don't create the
problem in the first place. Password sensitive directories (htpasswd) -
then they don't have to be excluded from search engines (because listing
the inaccessible in robots.txt is redundant).  You must of missed the
first day of web school.

Kind regards.

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