Hi, 
 
This is a followup to an earlier thread, "Do any of the Tomcat LDAP-type realms 
support "no password" authentication?". 
 
As I mentioned in that earlier thread, I'm still new to Tomcat, and still 
trying to find my way around, and understand (somewhat) its security design, so 
apologies in advance if my terminology is incorrect. 
 
Ok. 
 
I've been experimenting with writing what I think is called a custom realm, 
that would have a "no password" authenticate() method. 
 
What I think that I've been able to do is to implement a new realm where all I 
do in my code is override the uthenticate(Context, string, string) method. 
 
For my initial attempt, I'm just extending the JNDIRealm, and just overriding 
that one method, and I think that this works. 
 
However, ideally, I really want to be able to do this (override the 
authenticate() method with any of the default realms that come with Tomcat, 
whereas with the approach that I'm currently working (extending the JNDIRealm), 
in order to do this for all the different realm types, I'd have to implement 
something similar, with a custom realm corresponding to each of the out-of-box 
Tomcat realm types. 
 
That might be ok, but I was wondering if there might, perhaps, be another way 
to do what I'm trying to do (basically have an realm.authenticate() method that 
doesn't require a password, but that would work with any realm? 
 
Thanks, 
Jim 

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