[strongSwan] Error connecting from Fortigate VPN to Strongswan
MOSES KARIUKI
kariukims at gmail.com
Fri Mar 15 08:52:34 CET 2019
Thanks Chris.
The client says that the port is open. I will change the Ciphers. Thanks
On Fri, Mar 15, 2019 at 4:40 AM Chris Sherry <smilinjoe at gmail.com> wrote:
> 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 <kariukims at gmail.com> 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
>>
>
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