Parsero v0.75 - Attacking Robots.txt Files
Parsero is a free script written in Python which reads the Robots.txt
file of a web server and looks at the Disallow entries. The Disallow
entries tell the search engines what directories or files hosted on a
web server mustn't be indexed. For example, "Disallow: /portal/login"
means that the content on www.example.com/portal/login
it's not allowed to be indexed by crawlers like Google, Bing, Yahoo...
This is the way the administrator have to not share sensitive or private
information with the search engines.
But sometimes these paths typed in the Disallows entries are directly
accessible by the users without using a search engine, just visiting
the URL and the Path, and sometimes they are not available to be visited
by anybody... Because it is really common that the administrators write
a lot of Disallows and some of them are available and some of them are
not, you can use Parsero in order to check the HTTP status code of each
Disallow entry in order to check automatically if these directories are
available or not.
Also, the fact the administrator write a robots.txt, it doesn't mean
that the files or directories typed in the Dissallow entries will not be
indexed by Bing, Google, Yahoo... For this reason, Parsero is capable
of searching in Bing to locate content indexed without the web
administrator authorization. Parsero will check the HTTP status code in
the same way for each Bing result.
When you execute Parsero, you can see the HTTP status codes. For example, the codes bellow:
200 OK The request has succeeded.
403 Forbidden The server understood the request, but is refusing to fulfill it.
404 Not Found The server hasn't found anything matching the Request-URI.
302 Found The requested resource resides temporarily under a different URI.
...
Usage
$ python3 parsero.py -h
usage: parsero.py [-h] [-u URL] [-o] [-sb]
optional arguments:
-h, --help show this help message and exit
-u URL Type the URL which will be analyzed
-o Show only the "HTTP 200" status code
-sb Search in Bing indexed Disallows
Parsero v0.75 - Attacking Robots.txt Files
Reviewed by Zion3R
on
6:48 PM
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