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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Limit number of user accounts per e-mail addressLimit number of user accounts per e-mail address
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4/24/2006 1:48 AM
 
Sölve Dahlgren

www.dahlgren.net
Joined: 1/10/2006
Posts: 33
Hi,

I tried searching for this in the Forums but haven´t been able to find anything on the topic.

The problem is that I have noticed one person that has registered several user accounts on the same e-mail address. I would like to limit that so that you cannot register an unlimited number of accounts on the same e-mail address. The question: is there something in the DNN core user account module to do this?

It´s not very effective to suspend a user for example from a Forum if he/she is able to register a new account with the same e-mail address within seconds...

Also: does anyone know if the bug with deleting users has been fixed? I read in a Forum thread earlier that it works in the English version but not always in the Localized languages...?

/Sölve
 
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7/8/2006 1:57 PM
 
wildfiction

www.headvert.com
Joined: 6/17/2006
Posts: 240

Did you ever make any headway on this one? I have seen some systems make the email field unique in the member tables which solves this problem but it was probably not made unique in DNN for a very good reason. There are probably situations where you want to be able to allow some users the ability to use the same email address with several different accounts.

I think what you are looking for here is the ability to have a lock table which prevents certain types of people from registering on your system which I am guessing is for anti-spam purposes. It would be useful to be able to click on an existing user and say: "add last IP address and email address to ban list" that way, no one using that IP or email address can register on the system again. This would also stop the attacker from using a different email address from the same IP until they have refreshed their IP address. Of course, if they're using a series of anonymizers then that won't work.

ver 4.3.1 (to 8 July 2006) ver 4.3.2 (to 20 July 2006) ver 4.3.3 (to 5 Aug 2006) ver 4.3.4 (to 20 Sep 2006) ver 4.3.5 (to 25 Dec 2006) ver 4.4.0 (to date)
 
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7/8/2006 2:30 PM
 
Shane Miller

www.callcenters24x7.com
Joined: 4/2/2005
Posts: 520

You can configure this in this part of web.config:

<add name="AspNetSqlMembershipProvider"

type="System.Web.Security.SqlMembershipProvider"

connectionStringName="SiteSqlServer"

enablePasswordRetrieval="true"

enablePasswordReset="true"

requiresQuestionAndAnswer="false"

minRequiredPasswordLength="7"

minRequiredNonalphanumericCharacters="0"

requiresUniqueEmail="false"

passwordFormat="Encrypted"

applicationName="DotNetNuke"

description="Stores and retrieves membership data from the local Microsoft SQL Server database" />

</providers>

Just change "requiresUniqueEmail" to true.


Shane Miller
Call Centers 24x7
 
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7/8/2006 4:42 PM
 
wildfiction

www.headvert.com
Joined: 6/17/2006
Posts: 240
Very useful info - thanks Shane.
ver 4.3.1 (to 8 July 2006) ver 4.3.2 (to 20 July 2006) ver 4.3.3 (to 5 Aug 2006) ver 4.3.4 (to 20 Sep 2006) ver 4.3.5 (to 25 Dec 2006) ver 4.4.0 (to date)
 
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7/8/2006 4:43 PM
 
Shane Miller

www.callcenters24x7.com
Joined: 4/2/2005
Posts: 520
You're very welcome.  I'm happy to help!

Shane Miller
Call Centers 24x7
 
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