Secure Admin must be enabled to access the DAS remotely

I installed Glassfish on my development server and  access the administration module locally by using “localhost:4048”. But when I try to access it remotely, by using “http:/my_host:port”. It shows me an error as cannot login with the message as

Secure Admin must be enabled to access the DAS remotely

Solution:
Activate the secure admin by using the following command line 

asadmin --host localhost --port 4848 enable-secure-admin

The host is the host name or IP address for the Glassfish Server which we need to enable the secure admin.The port is the target Glassfish Server port which wee need to enable the secure admin.

Rollback

 disable the secure admin, it can be done easily as the following: –
asadmin --host [host] --port [port] disable-secure-admin 

Glassfish Change Admin Password

Use change-admin-password sub command to change the password of glassfish admin user. Default administrator username of glassfish is "admin". Default password of "admin"" user is blank on first installation.


Changing the Administrator Password 

Ensure that the server is running

asadmin --user admin
asadmin> change-admin-password
Please enter the old admin password>
Please enter the new admin password>
Please enter the new admin password again>
Command change-admin-password executed successfully