Checking your system to see if IPsec got installed and started correctly: Version check and ipsec on-path [OK] Linux Openswan U2.1.4/K2.6.7 (native) (native) Checking for IPsec support in kernel [OK] Checking for RSA private key (/etc/ipsec.secrets) [OK] Checking that pluto is running [OK] Two or more interfaces found, checking IP forwarding [OK] Checking NAT and MASQUERADEing Checking for 'ip' command [OK] Checking for 'iptables' command [OK] Checking for 'setkey' command for native IPsec stack support [OK] Opportunistic Encryption DNS checks: Looking for TXT in forward dns zone: rewind [MISSING] Does the machine have at least one non-private address? [OK] Looking for TXT in reverse dns zone: 104.187.110.62.in-addr.arpa. [MISSING]