i want to solve some issue related to mongodb on my Digital Ocean droplate.

some Server expert needed to solve mongodb error on my digital Ocean Droplate. issue 1: MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [Server closed connection. calling ismaster on '[login to view URL]'] in or MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [Server closed connection. calling ismaster on '[login to view URL]:ppppp'] in issue 2: Hi there, We’ve received a notification from an external nonprofit security organization, the Shadowserver Foundation, that your Droplet at [login to view URL] is running a MongoDB instance configured in a way that may be insecure. This configuration may allow attackers to access your MongoDB instance and remove or modify the data hosted within it. This note is to inform you that your data might be at risk, based on their reporting. For securing your MongoDB instance on Ubuntu, refer to this tutorial: [login to view URL] For securing your MongoDB instance on CentOS, refer to this tutorial: [login to view URL] Additionally, we have a tutorial covering basics of MongoDB security that's not specifically related to either Ubuntu or CentOS specific information at: [login to view URL] We also offer Cloud Firewalls - available in all regions at no additional cost - to protect your Droplet from traffic attempting to access it without permission. Learn more about Cloud Firewalls here: [login to view URL] The security of all systems in our network is extremely important to us and we strongly encourage you to review your configuration promptly. Regards, Security Operations Center DigitalOcean