Hi All, I have configured Strongswan on Ubuntu 18.04 as below:
*On the client side :* *ipsec statusall* Status of IKE charon daemon (strongSwan 5.6.2, Linux 4.15.0, x86_64): uptime: 29 minutes, since Feb 20 17:55:09 2019 malloc: sbrk 3256320, mmap 532480, used 1349136, free 1907184 worker threads: 11 of 16 idle, 5/0/0/0 working, job queue: 0/0/0/0, scheduled: 2 loaded plugins: charon test-vectors unbound ldap pkcs11 tpm aesni aes rc2 sha2 sha1 md4 md5 mgf1 rdrand random nonce x509 revocation constraints acert pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey dnscert ipseckey pem openssl gcrypt fips-prf gmp curve25519 agent chapoly xcbc cmac hmac ctr ccm gcm ntru bliss curl soup mysql sqlite attr kernel-netlink resolve socket-default connmark farp stroke updown eap-identity eap-sim eap-sim-pcsc eap-aka eap-aka-3gpp2 eap-simaka-pseudonym eap-simaka-reauth eap-md5 eap-gtc eap-mschapv2 eap-dynamic eap-radius eap-tls eap-ttls eap-peap eap-tnc xauth-generic xauth-eap xauth-pam xauth-noauth tnc-tnccs tnccs-20 tnccs-11 tnccs-dynamic dhcp whitelist lookip error-notify certexpire led radattr addrblock unity counters *Listening IP addresses:* 185.135.*.** 2a03:a960:5:42a:8000:: ::2 *Connections*: ipsec-ikev2-vpn-client: %any...102.1*9.2**.*** IKEv1/2 ipsec-ikev2-vpn-client: local: [remoteprivate] uses EAP_MSCHAPV2 authentication with EAP identity '%any' ipsec-ikev2-vpn-client: remote: [102.1*9.2**.***] uses public key authentication ipsec-ikev2-vpn-client: child: dynamic === 0.0.0.0/0 TUNNEL Security Associations (1 up, 0 connecting): ipsec-ikev2-vpn-client[1]: ESTABLISHED 29 minutes ago, 185.135.9.62[remoteprivate]...102.1*9.2**.***[102.1*9.2**.***] ipsec-ikev2-vpn-client[1]: IKEv2 SPIs: 0338f500edc84652_i* 1ae30618408f64a4_r, EAP reauthentication in 2 hours ipsec-ikev2-vpn-client[1]: IKE proposal: AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048 *hostname -I* 127.0.0.1 185.135.*.** *10.10.10.1* 2a03:a960:5:42a:8000:: ::2 *On the server : * ipsec statusall Status of IKE charon daemon (strongSwan 5.6.2, Linux 4.15.0-45-generic, x86_64): uptime: 21 hours, since Feb 19 23:58:30 2019 malloc: sbrk 3256320, mmap 532480, used 1645568, free 1610752 worker threads: 11 of 16 idle, 5/0/0/0 working, job queue: 0/0/0/0, scheduled: 1 loaded plugins: charon test-vectors unbound ldap pkcs11 tpm aesni aes rc2 sha2 sha1 md4 md5 mgf1 rdrand random nonce x509 revocation constraints acert pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey dnscert ipseckey pem openssl gcrypt af-alg fips-prf gmp curve25519 agent chapoly xcbc cmac hmac ctr ccm gcm ntru bliss curl soup mysql sqlite attr kernel-netlink resolve socket-default connmark farp stroke updown eap-identity eap-sim eap-sim-pcsc eap-aka eap-aka-3gpp2 eap-simaka-pseudonym eap-simaka-reauth eap-md5 eap-gtc eap-mschapv2 eap-dynamic eap-radius eap-tls eap-ttls eap-peap eap-tnc xauth-generic xauth-eap xauth-pam xauth-noauth tnc-tnccs tnccs-20 tnccs-11 tnccs-dynamic dhcp whitelist lookip error-notify certexpire led radattr addrblock unity counters Virtual IP pools (size/online/offline): 10.10.10.0/24: 254/1/0 *Listening IP addresses:* 102.1*9.2**.*** *Connections:* ikev2-vpn: %any...%any IKEv2, dpddelay=300s ikev2-vpn: local: [ 102.1*9.2**.*** ] uses public key authentication ikev2-vpn: cert: "CN= 102.1*9.2**.***" ikev2-vpn: remote: uses EAP_MSCHAPV2 authentication with EAP identity '%any' ikev2-vpn: child: 0.0.0.0/0 === dynamic TUNNEL, dpdaction=clear Security Associations (1 up, 0 connecting): ikev2-vpn[21]: ESTABLISHED 41 minutes ago, 102.1*9.2**.***[ 102.1*9.2**.***]... 185.135.*.** [remoteprivate] ikev2-vpn[21]: IKEv2 SPIs: 0338f500edc84652_i 1ae30618408f64a4_r*, rekeying disabled ikev2-vpn[21]: IKE proposal: AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048 I need assistance reaching the client's private IP 10.10.10.1 from my VPN server. When I try, I get this response : PING 10.10.10.1 (10.10.10.1) 56(84) bytes of data. >From 38.32.**.1** icmp_seq=1 Destination Net Unreachable >From 38.32.**.1** icmp_seq=5 Destination Net Unreachable >From 38.32.**.1** icmp_seq=6 Destination Net Unreachable >From 38.32.**.1** icmp_seq=8 Destination Net Unreachable >From 38.32.**.1** icmp_seq=10 Destination Net Unreachable Please assist. Regards, Moses
