# /etc/ipsec.conf - strongSwan IPsec configuration file config setup conn %default ikelifetime=60m keylife=20m rekeymargin=3m keyingtries=1 keyexchange=ikev2 authby=secret conn nat-t left=PH_IP_SUN leftsubnet=10.2.0.0/16 leftfirewall=yes right=%any rightsubnet=10.1.0.0/16 auto=add