pfSense-config-backup.sh

# In Diagnostics > Command Prompt, run:
mkdir -p /root/.ssh                                                  # Create a .ssh folder for the pfSense root user
ssh-keygen -t rsa -q -b 2048 -N "" -f /root/.ssh/id_rsa              # Generate a public/private key pair for pfSense
cat /root/.ssh/id_rsa.pub                                            # Get pfSense's public key for adding to the remote server
ssh -oStrictHostKeyChecking=no user@example.com                      # Add the remote host's host key to pfsense's "known_hosts" file

# Run this command in Diagnostics > Command Prompt
# and if it succeeds, add it as a cron job in Services > Cron
/usr/bin/scp -i /root/.ssh/id_rsa /cf/conf/config.xml user@backup.example.com:~/config-`date +\%Y-\%m-\%d`.xml 2>&1 | /usr/bin/logger -t config-backup