Verifying installed system and configuration files Version check and ipsec on-path [OK] Libreswan 3.20 (netkey) on 3.10.0-693.11.6.el7.x86_64 Checking for IPsec support in kernel [OK] NETKEY: Testing XFRM related proc values ICMP default/send_redirects [OK] ICMP default/accept_redirects [OK] XFRM larval drop [OK] Pluto ipsec.conf syntax [OK] Two or more interfaces found, checking IP forwarding [FAILED] Checking rp_filter [ENABLED] /proc/sys/net/ipv4/conf/all/rp_filter [ENABLED] /proc/sys/net/ipv4/conf/default/rp_filter [ENABLED] /proc/sys/net/ipv4/conf/ip_vti0/rp_filter [ENABLED] rp_filter is not fully aware of IPsec and should be disabled Checking that pluto is running [OK] Pluto listening for IKE on udp 500 [OK] Pluto listening for IKE/NAT-T on udp 4500 [OK] Pluto ipsec.secret syntax INTERNAL ERROR - unknown rcode:WARNING 003 "/etc/ipsec.d/secrets/71221031513.secrets" line 1: WARNING: The :RSA secrets entries for X.509 certificates are no longer needed Checking 'ip' command [OK] Checking 'iptables' command [OK] Checking 'prelink' command does not interfere with FIPS [OK] Checking for obsolete ipsec.conf options [OBSOLETE KEYWORD] Warning: ignored obsolete keyword 'nat_traversal'