BattleMetrics is a platform you can use to manage all of your servers in one place. You can also use BattleMetrics to promote your server publically and rank against other servers.
Note: The RCON feature with BattleMetrics is a paid feature.
1. In the Advanced Server Settings, set Public=true
2. Create a BattleMetrics account and navigate to the RCON tab
3. Follow the prompts to add your server. At the server information screen, add the following info:
4. Once you've finished adding your server, you'll have a ton of tools that you can use to better manage your server from anywhere.