Authenticate Web Methods In A Web Service?

Apr 1, 2011

I'm using Asp.net c# language programming. What is the best way for authenticating web methods in a web service? Is it right having authentication for every web method and verify user name and password for each web method? Is there a way to authenticate just once not for every web method? something like using sessions and etc?

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<add name="ADConnectionString" connectionString="LDAP://10.1.XXX.XXX"/>
and
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connectionPassword="XXXX"
connectionProtection="None"
/>
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The user is not locked.

the user is not set to change password on next logon.

The user is not expired.

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