Web Security in .NET framework

Generation PDF 417 in .NET framework Web Security
18 Web Security
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it certainly will confuse some vandals because dcon, or whatever you really use, is nonstandard Also, remember that many vandals use automated programs to scan Web sites for features and other clues A nonstandard script alias such as the above is not likely to be incorporated in any automated program
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Use nonextension names for your CGI scripts
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Many sites boldly showcase what type of CGI scripts they run For example:
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the above URL provides two clues about the site First, it tells us that the site supports CGI scripts, and second, that the site runs Perl scripts as CGI scripts If the above site instead used:
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http://wwwdomaincom/ext/show-catalog
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it is harder to determine anything about the site Use of the pl or cgi extension should be avoided because these extensions provide clues about your system To change an existing a script s extension frompl, cgi, and so on to a non-extension name, simply rename the script You do not need to change or add any new Apache configuration for switching to nonextension names Like CGI scripts, SSI scripts pose a few security risks They are discussed below
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Using CGI Scanners
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CGI scanners are used to scan a Web server for CGI script-related vulnerabilities There are two scanners that I like: cgichkpl and Whisker
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cgichkpl
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This is a simple CGI scanner written in Perl You can download the source from wwwpacketstormsecurifycom When run from the command line using perl cgichkpl command, it asks you to enter a host name for the Web server you want to scan and a port number (default 80) You can also choose to log the results in a file
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cgichkpl first checks the HTTP protocol version being used by the Web server For example, the following sample session shows that cgichkpl is scanning a host called rhatniteccom CGI scanner [in Perl] v11 Host: rhatniteccom HTTP Port [80]: Log Session (y/n)y Log File [rhatniteccomscan]:
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Part IV Securing Your Web Site
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Press [enter] to check the httpd version HTTP/11 200 OK Date: Tue, 27 Mar 2001 04:50:47 GMT Server: Apache/2014 (Unix) Last-Modified: Mon, 26 Mar 2001 20:23:13 GMT ETag: 1ba42-1000-c65eee40 Connection: close Content-Type: text/html; charset=ISO-8859-1
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After it detects the protocol version, cgichkpl will ask you to press the enter key to start checking for CGI vulnerabilities The following output is a sample scan for CGI security issues on rhatniteccom Web server running Apache 20
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