allow-anonymous-basic-auth

allow-anonymous-basic-auth.web.xml

<snippet>
    <security-constraint>
      <web-resource-collection>
        <web-resource-name>RequireAuthentication</web-resource-name>
        <description>Secured page for forcing the container to request login</description>
        <url-pattern>/*</url-pattern>
      </web-resource-collection>
      <auth-constraint>
        <role-name>*</role-name>
      </auth-constraint>
    </security-constraint>    
    
    <login-config>
      <auth-method>BASIC</auth-method>
      <realm-name>example</realm-name>
    </login-config>
    
    <security-role>
        <role-name>user</role-name>
    </security-role>
    
    <security-role>
        <role-name>anonymous</role-name>
    </security-role>
</snippet>