Re: One login only

[Martin Gainty <mg...@hotmail.com>]

Greetings from across the Pond

I thought this was rather an ingenious solution
http://www.simongbrown.com/blog/2004/11/04/1099588633312.html
Create a Principal object
Authenticate Principal object to Tomcat Realm via 'Role'
then use SSOValve to create Principal from supplied RequestHeaders

Does this help?
Martin--
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----- Original Message ----- 
From: <Ja...@generaldynamics.uk.com>
To: <us...@tomcat.apache.org>
Sent: Monday, April 30, 2007 6:47 AM
Subject: One login only


Hi,



I'm currently trying to configure Tomcat to only allow a user to log in
once.  If the same user tries to log in when already logged in (from
another machine for example) I want to cancel the login request and
present an explanation to the user.  I'm using the FORM based
authentication and have searched the web for a solution to this problem
to no avail.



Any help would be much appreciated,



Jamie







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