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Class: Secure Session


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      Classes of Vagharshak Tozalakyan  >  Secure Session  >  Download  >  Support forum Support forum  >  RSS 1.0 feed RSS 2.0 feed Latest changes  >  Stumble It! Stumble It!  >  Bookmark in del.icio.us Bookmark in del.icio.us  
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  • Supplied by:

    Picture of Vagharshak Tozalakyan
    Name: Vagharshak Tozalakyan <e-mail contact>
    Published packages: 27
    Country: Armenia Armenia - PHP jobs in Armenia
    Home page: http://www.tozalakyan.com/
    Age: 28
    All time rank: 14
    Week rank: 8

    Browse this author's classes

  • Innovation Award:

    PHP Programming Innovation award nominee
    January 2006
    Number 2
    		 Sessions have become one of possible features that can be exploited to perform security attacks to PHP sites.

    Sessions are not insecure by themselves, but if they are not used with a certain care, they may be eventually abused by malicious users.

    Session hijacking abuses can happen when somebody with privileged network access can sniff traffic that goes to potential victim site. Session fixation abuses can happen when a site uses the same session identifier for the same user before and after he authenticates to log in.

    This class provides a solution to prevent these kinds of session abuses to prevent that PHP sites that use sessions become compromised.

    Manuel Lemos

  • Groups:

    Group folder image User Management User records, authentication and session handling View top rated classes
    Group folder image Security Security protection and attack detection View top rated classes

  • Detailed description:

    This class can be used to prevent security attacks known as session hijacking and session fixation.

    When a session is initialized the class computes a fingerprint string that takes in account the browser user agent string, the user agent IP address or part of it and a secret word. If the fingerprint value changes, it is very likely that the session was hijacked and it should no longer be accepted.

    To prevent session fixation attacks the calls the PHP session_regenerate_id() function so the session identifier changes everytime the session is checked.

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  • Applications that use this class:

    No application links were specified for this class.
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  • Files:

    File Role Description
    Files folder image sample
      Plain text file index.php Example Sample
      Plain text file login.php Example Sample
    Plain text file securesession.class.php Class Source
    Download all files: secure_session.tar.gz secure_session.zip
    NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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