Local shared object: Difference between revisions

Revision as of 21:00, 11 April 2007

Revision as of 18:24, 12 April 2007

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{{Unreferenced|date=April 2007}}

'''Local Shared Object (LSO)''' is a [[cookie]]-like data entity used by [[Adobe Flash]] Player. The application running in the Flash Player can store and retrieve data, which can consist of basic data types (such as strings or numbers) or more complex objects. The data is [[serialization|serialized]] to the user's hard disk. The Local Shared Objects are available in Flash Players starting from version 6.

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== Storage ___location ==

LSOs are stored in "SOL files" (typically, files with the extension "SOL"). [[String_%28computing%29|String (computing)|String data]], or data containing alphanumeric characters, are stored by default within SOL files as plain text, which means that the data can easily be read by any application with read access to the files.

The default storage ___location for LSOs is operating-system dependent. For Windows XP, the ___location is within each user's Application Data directory, under Macromedia\Flash Player\#SharedObjects. Additional information is available at the Electronic Privacy Information Center's [http://www.epic.org/privacy/cookies/flash.html Local Shared Objects — "Flash Cookies"] page.

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To this day, there is little public awareness of Adobe/Macromedia's hidden, proprietary-cookie LSOs, and no widespread, well-known utility-suite, anti-spyware, or anti-adware programs that address them. Users who delete traditional cookies with such programs may find those cookies resurrected because of Adobe/Macromedia's LSOs: [http://www.out-law.com/page-5502 Tool Can Resurrect Deleted Cookies (''Out-Law.com'')]. Since LSOs, unlike traditional cookies, have no expiration dates, the information resurrected in those cookies may persist indefinitely.

{{Adobe Flash}}

[[Category:Adobe Flash]]