Please see also here for an updated baseline guide for systems newer than 2.3 (updated 2021/02/20): https://nguvu.org/pfsense/pfsense-baseline-setup/
pfSense_fan's Guide
How To Set Up pfSense 2.3 for AirVPN
Guide is updated to pfSense Version 2.3
This guide will work on 2 or more interfaces.
Please inform me of any and all errors found!
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