Realm name in tomcat (web.xml)

Question

What is the realm-name in the tomcat.

 
     BASIC 
      
         


        

Answer 1

The value element is used to calculate the digested value of a cleartext password, as described here http://tomcat.apache.org/tomcat-7.0-doc/realm-howto.html#Digested_Passwords

If element is not specified in web.xml, the default value of "Authentication required" is used.