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Tomcat Realm

pavani akella

Joined: Feb 16, 2010
Posts: 3

I am using Realm for authentication on my site.
The problem is it is accepting case insensitive username when authenticating.
i.e, If the user name is Username it is accepting and authenticating username. Is there any solution to this.
Any help is appreciated.

Tom Reilly

Joined: Jun 01, 2010
Posts: 618
Hope this link helps: Tomcat Custom Realm.
Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 17272

I had the exact opposite problem, so I subclassed the JDBC realm to get case-insensitive passwords.

However, the generally accepted paradigm is that user IDs should be case-insensitive and passwords should be case-sensitive. Of course the various Unix-like OS's are case-sensitive on both, but the web is supposed to be more OS-independent.

Some of the standard realms may offer case-sensitivity switches as part of their basic config, so check the one you're using. I only did the subclass because I didn't have that option.

An IDE is no substitute for an Intelligent Developer.
It is sorta covered in the JavaRanch Style Guide.
subject: Tomcat Realm
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