mongodb - MongoChef not showing the MongoD collections -

i new mongodb , mongochef , connecting mongodb server not local , setup on remote server(for not require vpn or visual network) using mongochef client.

when pass ip in mongochef's new connection tab, "test connection" button return "ok" status follows:

but in main window of mongochef not showing collection or database. here screen shot:

i tried connecting server terminal , connecting well. can ping , telnet server well.

i not getting problem?

the problem authentication, needed edit connection , add authentication parameters viz username, password , database name specified in following screenshot

making above changes solved issue me. still, not sure why previous connections giving test ok status.