IPSec
Protocol stack for encryption in IP networks
MikroTik
Defining Phase 1 cryptography settings (IP >> IPSec >> Profiles) Setting up peer (IP >> ...
Libreswan
Installing the package apt install libreswan Initializing NSS and setting up password to ...
Testing
Testing [username@fw1] > ping address=10.254.254.254 src-address=10.254.254.253 size=1500 ...