# Single sign on Problem?

**URL:** <https://www.ruby-forum.com/t/single-sign-on-problem/130792>\
**Category:** Rails\
**Created:** [March 3, 2008, 12:30pm UTC](https://www.ruby-forum.com/t/single-sign-on-problem/130792 "2008-03-03T12:30:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![varunkumargoel](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/v/ed8c4c/32.png) [@varunkumargoel](https://www.ruby-forum.com/u/varunkumargoel)\
**Post date:** [March 3, 2008, 12:30pm UTC](https://www.ruby-forum.com/t/single-sign-on-problem/130792/1 "2008-03-03T12:30:55Z")

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Hi All,  
I am authenticating user using LDAP. Now i wanna do one thing if  
user is authenticated through LDAP server then my other application like  
[myapp1.domain.com](http://myapp1.domain.com),[myapp2.domain.com](http://myapp2.domain.com) also logged in user but these  
application in java and dotnet.

How to do this please tell me your suggestion.

Thanks & Regards,  
Varun G.