Using Robots.txt For Finding username and Password [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

How can I find the Username and Password of a web开发者_StackOverflow社区site by robots.txt?

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You can't. robots.txt is used to prevent cooperating web crawlers and other web robots from accessing all or part of a website which is otherwise publicly viewable. http://en.wikipedia.org/wiki/Robots_exclusion_standard

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You can't. robots.txt has nothing to do with usernames or passwords.

I'm not sure what made you think the two things were related - perhaps you could edit your question to include more information?

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You cannot

robots.txt contains instructions to web crawlers about which directories to search and which to leave alone