c# - How do I implement multiple login/logout-domains, single main domain in ASP.NET and forms authentication? -

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i want have several domains a, b, c user can enter username , password login common main domain d.

so user goes a, b or c, enters username , password, clicks "login" button, , on main domain d in logged in/authenticated state. user things wants do, , clicks logout-button , returned original domain came from, a, b or c.

what best way this?

i use forms authentication in asp.net 4.0 (c#).

thanks,

the feature need called single sign-on.

look on , find how it.

take @ http://aspalliance.com/1545_understanding_single_signon_in_aspnet_20.all


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