Google Reference Card

Advanced Operators

allintext: Search only within the text of a page (anywhere except in the title, the URL, and links).
intitle: Search within the title of a page.
inurl: Search within a URL (note that other advanced operators, such as site and filetype, can search more specific places inside the URL even better than inurl can).
site: Narrow search to specific sites (servers or domains).
filetype:pdf pdf: Search for files of a specific type, such as a list of every PDF file (ext is an undocumented alias for filetype).
link: Search within the actual URL of a link.
inanchor: Search within the text representation of a link.
cache: Show the cached version of a page.
numrange:12344-12346: Search for numbers within a range (shortened version: 12344..12346).
daterange: Search for pages indexed within a certain date range.
info: Show the summary information for a site.
related: Show related sites.
author: Search groups for an author of a newsgroup post.
group: Search the title of Google groups or keywords describing the groups.
insubject: same as intitle.
msgid: Locate a group post by message ID.
stocks: Search for stock information.
define: Show the definition of a term.
phonebook: Search phone listings.

intitle:index.of "parent directory": Locate directory listings.
intitle:index.of name size: Locate directory listings.
intitle:index.of inurl:admin: Finding specific directories, such as admin or backup.
intitle:index.of inurl:ws_ftp.log: Finding specific files, such as ws_ftp.log.
intitle:index.of " server at": Retrieve software version of Web server.
intitle:index.of "Apache/1.0": Search for a specific server version.

Click the "Parent Directory" link.

Replace the word admin with the word student or public.

Send a URL such as www.somesadsite.org/badcode.pl?page=../../../ect/passwd.

Modify the URL that contains a number, changing the 1 to a 2.

Find file with the same file name and different extension, replacing the HTM with ASP or BAK.

Backup files have a tendency to reveal source code: PHP.BAK files will be displayed as text.