The first thing to check is 200.10.1.X is allowing UDP/4500 inbound. That being said, you should really rethink your ciphers, 3DES/SHA1 shouldn't be a thing anymore.
Chris. On Thu, Mar 14, 2019 at 4:57 PM MOSES KARIUKI <[email protected]> wrote: > Dear Team, > > I have not been able to connect from a Fortigate firewall client to my > Sttrongswan Host. These are the parameters set up on the Fortigate : > Authentication Method Pre-Shared Secret > Encryption Schema IKE > Perfect Forward Secrecy- IKE DH Group-5 > Encryption Algorithm 3DES > Hashing Algorithm SHA1 > Renegotiate IKE SA every 28800 > Main or Aggressive Mode Main > IPSec ESP > Perfect Forward Secrecy-IPSEC DH Group-2 > Encryption Algorithm IPSec 3DES > Hashing Algorithm IPSec SHA1 > Renegotiate IPSec SA every 1800 > and below is my Strongswan config. > > conn ikev2-Teledida > auto=start > compress=no > type=tunnel > keyexchange=ikev2 > fragmentation=yes > forceencaps=yes > dpdaction=clear > dpddelay=300s > rekey=no > left=%any > leftid=35.185.2**.*** > leftsubnet=0.0.0.0/0 > right=200.10.1**.*** > rightid=%any > rightauth=psk > rightsourceip=10.11.10.0/9 > rightdns=8.8.8.8,8.8.4.4 > > ike=aes256-sha1-modp1024,aes128-sha1-modp1024,aes256-sha256-modp2048,aes128-sha256-modp2048,aes256-sha1-modp2048,aes128-sha1-modp2048,3des-sha1-modp1536,3des-sha1-modp1024 > > esp=aes256-sha256,aes256-sha1,aes256-sha256-modp2048,aes128-sha256-modp2048,aes256-sha1-modp2048,aes128-sha1-modp2048,3des-sha1-modp1024,3des-sha1-modp1536 > > When I try to connect, it fails with the below error: > LOG : > Mar 15 00:36:12 klick001 charon: 07[CFG] received stroke: add connection > 'ikev2-Teledida' > Mar 15 00:36:12 klick001 charon: 07[CFG] conn ikev2-Teledida > Mar 15 00:36:12 klick001 charon: 07[CFG] left=%any > Mar 15 00:36:12 klick001 charon: 07[CFG] leftsubnet=0.0.0.0/0 > Mar 15 00:36:12 klick001 charon: 07[CFG] leftid=35.185.2**.*** > Mar 15 00:36:12 klick001 charon: 07[CFG] right=200.10.1**.*** > Mar 15 00:36:12 klick001 charon: 07[CFG] rightsourceip=10.11.10.0/9 > Mar 15 00:36:12 klick001 charon: 07[CFG] rightdns=8.8.8.8,8.8.4.4 > Mar 15 00:36:12 klick001 charon: 07[CFG] rightauth=psk > Mar 15 00:36:12 klick001 charon: 07[CFG] rightid=%any > Mar 15 00:36:12 klick001 charon: 07[CFG] > > ike=aes256-sha1-modp1024,aes128-sha1-modp1024,aes256-sha256-modp2048,aes128-sha256-modp2048,aes256-sha1-modp2048,aes128-sha1-modp2048,3des-sha1-modp1536,3des-sha1-modp1024 > Mar 15 00:36:12 klick001 charon: 07[CFG] > > esp=aes256-sha256,aes256-sha1,aes256-sha256-modp2048,aes128-sha256-modp2048,aes256-sha1-modp2048,aes128-sha1-modp2048,3des-sha1-modp1024,3des-sha1-modp1536 > Mar 15 00:36:12 klick001 charon: 07[CFG] dpddelay=300 > Mar 15 00:36:12 klick001 charon: 07[CFG] dpdtimeout=150 > Mar 15 00:36:12 klick001 charon: 07[CFG] dpdaction=1 > Mar 15 00:36:12 klick001 charon: 07[CFG] sha256_96=no > Mar 15 00:36:12 klick001 charon: 07[CFG] mediation=no > Mar 15 00:36:12 klick001 charon: 07[CFG] keyexchange=ikev2 > Mar 15 00:36:12 klick001 charon: 07[CFG] adding virtual IP address pool > 10.11.10.0/9 > Mar 15 00:36:12 klick001 charon: 07[CFG] added configuration > 'ikev2-Teledida' > Mar 15 00:36:12 klick001 charon: 09[CFG] received stroke: initiate > 'ikev2-Teledida' > Mar 15 00:36:12 klick001 charon: 09[IKE] initiating IKE_SA > ikev2-Teledida[1] to 200.10.1**.*** > Mar 15 00:36:12 klick001 charon: 09[CFG] configured proposals: > IKE:AES_CBC_256/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_128/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048, > IKE:AES_CBC_128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048, > IKE:AES_CBC_256/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_2048, > IKE:AES_CBC_128/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_2048, > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1536, > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_128/AES_CBC_192/AES_CBC_256/AES_CTR_128/AES_CTR_192/AES_CTR_256/CAMELLIA_CBC_128/CAMELLIA_CBC_192/CAMELLIA_CBC_256/CAMELLIA_CTR_128/CAMELLIA_CTR_192/CAMELLIA_CTR_256/3DES_CBC/HMAC_SHA2_256_128/HMAC_SHA2_384_192/HMAC_SHA2_512_256/AES_XCBC_96/AES_CMAC_96/HMAC_SHA1_96/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/NTRU_128/NTRU_192/NTRU_256/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048, > IKE:AES_CCM_16_128/AES_CCM_16_192/AES_CCM_16_256/AES_GCM_16_128/AES_GCM_16_192/AES_GCM_16_256/CHACHA20_POLY1305_256/CAMELLIA_CCM_16_128/CAMELLIA_CCM_16_192/CAMELLIA_CCM_16_256/AES_CCM_8_128/AES_CCM_8_192/AES_CCM_8_256/AES_CCM_12_128/AES_CCM_12_192/AES_CCM_12_256/AES_GCM_8_128/AES_GCM_8_192/AES_GCM_8_256/AES_GCM_12_128/AES_GCM_12_192/AES_GCM_12_256/CAMELLIA_CCM_8_128/CAMELLIA_CCM_8_192/CAMELLIA_CCM_8_256/CAMELLIA_CCM_12_128/CAMELLIA_CCM_12_192/CAMELLIA_CCM_12_256/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/NTRU_128/NTRU_192/NTRU_256/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048 > Mar 15 00:36:12 klick001 charon: 11[CFG] sending supported signature hash > algorithms: sha256 sha384 sha512 identity > Mar 15 00:36:12 klick001 charon: 11[ENC] generating IKE_SA_INIT request 0 > [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) ] > Mar 15 00:36:12 klick001 charon: 11[NET] sending packet: from > 10.138.0.4[500] to 200.10.1**.***[500] (1588 bytes) > Mar 15 00:36:12 klick001 charon: 12[NET] received packet: from > 200.10.1**.***[500] to 10.138.0.4[500] (348 bytes) > Mar 15 00:36:12 klick001 charon: 12[ENC] parsed IKE_SA_INIT response 0 [ > SA KE No N(NATD_S_IP) N(NATD_D_IP) ] > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] no acceptable > ENCRYPTION_ALGORITHM found > Mar 15 00:36:12 klick001 charon: 12[CFG] selecting proposal: > Mar 15 00:36:12 klick001 charon: 12[CFG] proposal matches > Mar 15 00:36:12 klick001 charon: 12[CFG] received proposals: > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1536 > Mar 15 00:36:12 klick001 charon: 12[CFG] configured proposals: > IKE:AES_CBC_256/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_128/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048, > IKE:AES_CBC_128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048, > IKE:AES_CBC_256/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_2048, > IKE:AES_CBC_128/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_2048, > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1536, > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1024, > IKE:AES_CBC_128/AES_CBC_192/AES_CBC_256/AES_CTR_128/AES_CTR_192/AES_CTR_256/CAMELLIA_CBC_128/CAMELLIA_CBC_192/CAMELLIA_CBC_256/CAMELLIA_CTR_128/CAMELLIA_CTR_192/CAMELLIA_CTR_256/3DES_CBC/HMAC_SHA2_256_128/HMAC_SHA2_384_192/HMAC_SHA2_512_256/AES_XCBC_96/AES_CMAC_96/HMAC_SHA1_96/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/NTRU_128/NTRU_192/NTRU_256/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048, > IKE:AES_CCM_16_128/AES_CCM_16_192/AES_CCM_16_256/AES_GCM_16_128/AES_GCM_16_192/AES_GCM_16_256/CHACHA20_POLY1305_256/CAMELLIA_CCM_16_128/CAMELLIA_CCM_16_192/CAMELLIA_CCM_16_256/AES_CCM_8_128/AES_CCM_8_192/AES_CCM_8_256/AES_CCM_12_128/AES_CCM_12_192/AES_CCM_12_256/AES_GCM_8_128/AES_GCM_8_192/AES_GCM_8_256/AES_GCM_12_128/AES_GCM_12_192/AES_GCM_12_256/CAMELLIA_CCM_8_128/CAMELLIA_CCM_8_192/CAMELLIA_CCM_8_256/CAMELLIA_CCM_12_128/CAMELLIA_CCM_12_192/CAMELLIA_CCM_12_256/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/NTRU_128/NTRU_192/NTRU_256/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048 > Mar 15 00:36:12 klick001 charon: 12[CFG] selected proposal: > IKE:3DES_CBC/HMAC_SHA1_96/PRF_HMAC_SHA1/MODP_1536 > Mar 15 00:36:12 klick001 charon: 12[IKE] local host is behind NAT, sending > keep alives > Mar 15 00:36:12 klick001 charon: 12[IKE] sending cert request for "CN=VPN > root CA" > Mar 15 00:36:12 klick001 charon: 12[IKE] authentication of > '35.185.2**.***' (myself) with RSA signature successful > Mar 15 00:36:12 klick001 charon: 12[CFG] proposing traffic selectors for > us: > Mar 15 00:36:12 klick001 charon: 12[CFG] 0.0.0.0/0 > Mar 15 00:36:12 klick001 charon: 12[CFG] proposing traffic selectors for > other: > Mar 15 00:36:12 klick001 charon: 12[CFG] dynamic > Mar 15 00:36:12 klick001 charon: 12[CFG] configured proposals: > ESP:AES_CBC_256/HMAC_SHA2_256_128/NO_EXT_SEQ, > ESP:AES_CBC_256/HMAC_SHA1_96/NO_EXT_SEQ, > ESP:AES_CBC_128/HMAC_SHA2_256_128/NO_EXT_SEQ, > ESP:AES_CBC_128/HMAC_SHA1_96/NO_EXT_SEQ, > ESP:3DES_CBC/HMAC_SHA1_96/NO_EXT_SEQ, > ESP:AES_CBC_128/AES_CBC_192/AES_CBC_256/HMAC_SHA2_256_128/HMAC_SHA2_384_192/HMAC_SHA2_512_256/HMAC_SHA1_96/AES_XCBC_96/NO_EXT_SEQ > Mar 15 00:36:12 klick001 charon: 12[IKE] establishing CHILD_SA > ikev2-Teledida{1} > Mar 15 00:36:12 klick001 charon: 12[ENC] generating IKE_AUTH request 1 [ > IDi CERTREQ AUTH SA TSi TSr N(MOBIKE_SUP) N(NO_ADD_ADDR) N(EAP_ONLY) > N(MSG_ID_SYN_SUP) ] > Mar 15 00:36:12 klick001 charon: 12[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > Mar 15 00:36:16 klick001 charon: 15[IKE] retransmit 1 of request with > message ID 1 > Mar 15 00:36:16 klick001 charon: 15[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > Mar 15 00:36:23 klick001 charon: 16[IKE] retransmit 2 of request with > message ID 1 > Mar 15 00:36:23 klick001 charon: 16[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > Mar 15 00:36:36 klick001 charon: 06[IKE] retransmit 3 of request with > message ID 1 > Mar 15 00:36:36 klick001 charon: 06[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > Mar 15 00:36:56 klick001 charon: 10[IKE] sending keep alive to > 200.10.1**.***[4500] > Mar 15 00:36:59 klick001 charon: 09[IKE] retransmit 4 of request with > message ID 1 > Mar 15 00:36:59 klick001 charon: 09[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > Mar 15 00:37:20 klick001 charon: 12[IKE] sending keep alive to > 200.10.1**.***[4500] > Mar 15 00:37:40 klick001 charon: 13[IKE] sending keep alive to > 200.10.1**.***[4500] > Mar 15 00:37:41 klick001 charon: 14[IKE] retransmit 5 of request with > message ID 1 > Mar 15 00:37:41 klick001 charon: 14[NET] sending packet: from > 10.138.0.4[4500] to 200.10.1**.***[4500] (988 bytes) > > Please assist as we are about to go live soon. > > Thanks in advance. > > Moses K >
