Advanced settings
OPNsense's WebGUI is a powerful management interface that allows us to configure even the most advanced features available in the FreeBSD operating system. Let's explore them and learn how to optimize and customize our firewall with available advanced options.
In this topic, we will explore two menu options: System | Settings | Miscellaneous and System | Settings | Tunables. Let's start with the first one.
On the Miscellaneous page, we will find options related to hardware, system file backups, disk and memory settings, and the hardware buzzer control when it is present on the hardware.
Cryptography settings
There are the following cryptography options:
- Diffie-Hellman parameters: These cryptographic keys exchange methods used in services such as VPN tunnels. In the default configuration, it will be updated at least twice a year by software updates. If you need to change it from the default option, you will be able to set it as RFC7919...
