In this article we will be discussing a quick and simple method of securing and setting up your firewall to whitelist and protect your Rust game server. Please direct yourself to the "Firewall Manager" page inside of your portal account.
For the 28014 UDP (Rust Steam Query Port), it is imperative to establish a firewall rule following the specifications detailed below:

Next, you must configure a filter for the Steam Query Port, as illustrated in the example provided:

For the 28015 UDP (Rust Game Port), establish another firewall rule following the specifications detailed below:

Afterward, configure another filter for the Game Port, as illustrated in the example provided:

For the 28016 RCON Port and 28082 Rust APP Port you must implement firewall rules as shown below:


Now we need to create a Filter for the Rust RCON Port and Rust APP Port as shown below


Your Rust server is now fully ddos protected.