[strongSwan] querying policy failed: No such file or directory

Wed Mar 8 14:25:24 CET 2017

That's because the tutorial is bad.
Don't use it.

Build a route based tunnel using VTIs[1]. That will work. It's a limitation of AWS. I and other people set that up
previously and it works just fine.

[1] https://wiki.strongswan.org/projects/strongswan/wiki/RouteBasedVPN

On 07.03.2017 22:51, Trey Lawrence wrote:
> Hi,
> 
> I'm trying to get a vpn connection set up to my aws vpc. I've been using this tutorial:
> https://docs.openvpn.net/how-to-tutorialsguides/administration/extending-vpn-connectivity-to-amazon-aws-vpc-using-aws-vpc-vpn-gateway-service/
> 
> After completing the tutorial, the two tunnel connections are shown as "established", but I'm still unable to ping or ssh into an instance in my aws vpc (10.31.0.0/16 <http://10.31.0.0/16> subnet) from my local network (10.2.0.0/16 <http://10.2.0.0/16> subnet). Looking at the syslogs, I keep getting an error:
> charon: 08[KNL] querying policy failed: No such file or directory (2)
> 
> Is there a way that I can debug this further? If I increase the log level for KNL, it just puts the full request body, but that doesn't tell me much. Any help would be much appreciated.
> Thanks!
> Trey
> 
> Below are the syslogs:
> charon: 00[DMN] Starting IKE charon daemon (strongSwan 5.3.5, Linux 4.4.0-65-generic, x86_64)
> charon: 00[CFG] loading ca certificates from '/etc/ipsec.d/cacerts'
> charon: 00[CFG] loading aa certificates from '/etc/ipsec.d/aacerts'
> charon: 00[CFG] loading ocsp signer certificates from '/etc/ipsec.d/ocspcerts'
> charon: 00[CFG] loading attribute certificates from '/etc/ipsec.d/acerts'
> charon: 00[CFG] loading crls from '/etc/ipsec.d/crls'
> charon: 00[CFG] loading secrets from '/etc/ipsec.secrets'
> charon: 00[CFG]   loaded IKE secret for 52.52.149.175
> charon: 00[CFG]   loaded IKE secret for 52.52.188.153
> charon: 00[LIB] loaded plugins: charon test-vectors aes rc2 sha1 sha2 md4 md5 random nonce x509 revocation constraints pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem openssl fips-prf gmp agent xcbc hmac gcm attr kernel-netlink resolve socket-default connmark stroke updown
> charon: 00[LIB] dropped capabilities, running as uid 0, gid 0
> charon: 00[JOB] spawning 16 worker threads
> charon: 05[CFG] received stroke: add connection 'VPC-CUST-GW1'
> charon: 05[CFG] added configuration 'VPC-CUST-GW1'
> charon: 07[CFG] received stroke: initiate 'VPC-CUST-GW1'
> charon: 07[IKE] initiating Main Mode IKE_SA VPC-CUST-GW1[1] to 52.52.149.175
> charon: 07[ENC] generating ID_PROT request 0 [ SA V V V V ]
> charon: 07[NET] sending packet: from 10.2.5.209[500] to 52.52.149.175[500] (216 bytes)
> charon: 09[CFG] received stroke: add connection 'VPC-CUST-GW2'
> charon: 09[CFG] added configuration 'VPC-CUST-GW2'
> charon: 11[CFG] received stroke: initiate 'VPC-CUST-GW2'
> charon: 11[IKE] initiating Main Mode IKE_SA VPC-CUST-GW2[2] to 52.52.188.153
> charon: 11[ENC] generating ID_PROT request 0 [ SA V V V V ]
> charon: 11[NET] sending packet: from 10.2.5.209[500] to 52.52.188.153[500] (216 bytes)
> charon: 12[NET] received packet: from 52.52.149.175[500] to 10.2.5.209[500] (124 bytes)
> charon: 12[ENC] parsed ID_PROT response 0 [ SA V V ]
> charon: 12[IKE] received DPD vendor ID
> charon: 12[IKE] received NAT-T (RFC 3947) vendor ID
> charon: 12[ENC] generating ID_PROT request 0 [ KE No NAT-D NAT-D ]
> charon: 12[NET] sending packet: from 10.2.5.209[500] to 52.52.149.175[500] (244 bytes)
> charon: 13[NET] received packet: from 52.52.188.153[500] to 10.2.5.209[500] (124 bytes)
> charon: 13[ENC] parsed ID_PROT response 0 [ SA V V ]
> charon: 13[IKE] received DPD vendor ID
> charon: 13[IKE] received NAT-T (RFC 3947) vendor ID
> charon: 13[ENC] generating ID_PROT request 0 [ KE No NAT-D NAT-D ]
> charon: 13[NET] sending packet: from 10.2.5.209[500] to 52.52.188.153[500] (244 bytes)
> charon: 14[NET] received packet: from 52.52.149.175[500] to 10.2.5.209[500] (228 bytes)
> charon: 14[ENC] parsed ID_PROT response 0 [ KE No NAT-D NAT-D ]
> charon: 14[IKE] local host is behind NAT, sending keep alives
> charon: 14[IKE] remote host is behind NAT
> charon: 14[ENC] generating ID_PROT request 0 [ ID HASH N(INITIAL_CONTACT) ]
> charon: 14[NET] sending packet: from 10.2.5.209[4500] to 52.52.149.175[4500] (108 bytes)
> charon: 15[NET] received packet: from 52.52.188.153[500] to 10.2.5.209[500] (228 bytes)
> charon: 15[ENC] parsed ID_PROT response 0 [ KE No NAT-D NAT-D ]
> charon: 15[IKE] local host is behind NAT, sending keep alives
> charon: 15[IKE] remote host is behind NAT
> charon: 15[ENC] generating ID_PROT request 0 [ ID HASH N(INITIAL_CONTACT) ]
> charon: 15[NET] sending packet: from 10.2.5.209[4500] to 52.52.188.153[4500] (108 bytes)
> charon: 04[NET] received packet: from 52.52.149.175[4500] to 10.2.5.209[4500] (76 bytes)
> charon: 04[ENC] parsed ID_PROT response 0 [ ID HASH ]
> charon: 04[IKE] IKE_SA VPC-CUST-GW1[1] established between 10.2.5.209[10.2.5.209]...52.52.149.175[52.52.149.175]
> charon: 04[IKE] scheduling reauthentication in 28257s
> charon: 04[IKE] maximum IKE_SA lifetime 28797s
> charon: 04[ENC] generating QUICK_MODE request 3236327339 <tel:%28323%29%20632-7339> [ HASH SA No KE ID ID ]
> charon: 04[NET] sending packet: from 10.2.5.209[4500] to 52.52.149.175[4500] (316 bytes)
> charon: 05[NET] received packet: from 52.52.188.153[4500] to 10.2.5.209[4500] (76 bytes)
> charon: 05[ENC] parsed ID_PROT response 0 [ ID HASH ]
> charon: 05[IKE] IKE_SA VPC-CUST-GW2[2] established between 10.2.5.209[10.2.5.209]...52.52.188.153[52.52.188.153]
> charon: 05[IKE] scheduling reauthentication in 27850s
> charon: 05[IKE] maximum IKE_SA lifetime 28390s
> charon: 05[ENC] generating QUICK_MODE request 1265323422 [ HASH SA No KE ID ID ]
> charon: 05[NET] sending packet: from 10.2.5.209[4500] to 52.52.188.153[4500] (316 bytes)
> charon: 06[NET] received packet: from 52.52.149.175[4500] to 10.2.5.209[4500] (300 bytes)
> charon: 06[ENC] parsed QUICK_MODE response 3236327339 <tel:%28323%29%20632-7339> [ HASH SA No KE ID ID ]
> charon: 06[IKE] CHILD_SA VPC-CUST-GW1{1} established with SPIs cd5473da_i 242bba90_o and TS 10.2.0.0/16 <http://10.2.0.0/16> === 10.31.0.0/16 <http://10.31.0.0/16>
> charon: 07[NET] received packet: from 52.52.188.153[4500] to 10.2.5.209[4500] (300 bytes)
> charon: 06[ENC] generating QUICK_MODE request 3236327339 <tel:%28323%29%20632-7339> [ HASH ]
> charon: 07[ENC] parsed QUICK_MODE response 1265323422 [ HASH SA No KE ID ID ]
> charon: 06[NET] sending packet: from 10.2.5.209[4500] to 52.52.149.175[4500] (60 bytes)
> charon: 07[IKE] CHILD_SA VPC-CUST-GW2{2} established with SPIs ca464c0c_i 1709d2c0_o and TS 10.2.0.0/16 <http://10.2.0.0/16> === 10.31.0.0/16 <http://10.31.0.0/16>
> charon: 07[ENC] generating QUICK_MODE request 1265323422 [ HASH ]
> charon: 07[NET] sending packet: from 10.2.5.209[4500] to 52.52.188.153[4500] (60 bytes)
> charon: 04[KNL] querying policy failed: No such file or directory (2)
> charon: 04[KNL] querying policy failed: No such file or directory (2)
> charon: 04[IKE] sending DPD request
> charon: 04[ENC] generating INFORMATIONAL_V1 request 1507408569 [ HASH N(DPD) ]
> charon: 04[NET] sending packet: from 10.2.5.209[4500] to 52.52.149.175[4500] (92 bytes)
> charon: 05[KNL] querying policy failed: No such file or directory (2)
> charon: 05[KNL] querying policy failed: No such file or directory (2)
> charon: 05[IKE] sending DPD request
> charon: 05[ENC] generating INFORMATIONAL_V1 request 3354854972 [ HASH N(DPD) ]
> charon: 05[NET] sending packet: from 10.2.5.209[4500] to 52.52.188.153[4500] (92 bytes)
> charon: 06[NET] received packet: from 52.52.149.175[4500] to 10.2.5.209[4500] (92 bytes)
> charon: 06[ENC] parsed INFORMATIONAL_V1 request 600367776 [ HASH N(DPD_ACK) ]
> charon: 07[NET] received packet: from 52.52.188.153[4500] to 10.2.5.209[4500] (92 bytes)
> charon: 07[ENC] parsed INFORMATIONAL_V1 request 2406256945 <tel:%28240%29%20625-6945> [ HASH N(DPD_ACK) ]
> charon: 08[KNL] querying policy failed: No such file or directory (2)
> charon: 09[KNL] querying policy failed: No such file or directory (2)
> charon: 10[KNL] querying policy failed: No such file or directory (2)
> charon: 10[KNL] querying policy failed: No such file or directory (2)
> 
> 
> _______________________________________________
> Users mailing list
> Users at lists.strongswan.org
> https://lists.strongswan.org/mailman/listinfo/users
> 

-- 

Mit freundlichen Grüßen/Kind Regards,
Noel Kuntze

GPG Key ID: 0x63EC6658
Fingerprint: 23CA BB60 2146 05E7 7278 6592 3839 298F 63EC 6658

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 866 bytes
Desc: OpenPGP digital signature
URL: <http://lists.strongswan.org/pipermail/users/attachments/20170308/cc0b1afe/attachment.sig>