[strongSwan] NO_PROPOSAL_CHOSEN when using 5.6.2 on Ubuntu 18.04
Karuna Sagar Krishna
karunasagark at gmail.com
Wed May 12 01:12:31 CEST 2021
Oh I thought I had attached it earlier. Sorry about that. Attached here.
--karuna
On Tue, May 11, 2021 at 4:09 PM Noel Kuntze <noel.kuntze at thermi.consulting>
wrote:
> Okay, what's your complete ipsec.conf? Can you send it?
>
> Kind regards
> Noel
>
> Am 12.05.21 um 00:54 schrieb Karuna Sagar Krishna:
> > Attaching full charon logs.
> >
> > Can you help with the ipsec.conf interface. I'll plan to switch to
> swanctl going forward, but currently this is blocking our releases.
> >
> > --karuna
> >
> >
> > On Tue, May 11, 2021 at 2:54 PM Noel Kuntze
> <noel.kuntze+strongswan-users-ml at thermi.consulting> wrote:
> >
> > Hi,
> >
> > Full logs please, as shown on the HelpRequests[1] page on the wiki.
> > Also, it's strongly recommended to use swanctl instead if possible.
> That's the better configuration backend.
> >
> > Kind regards
> > Noel
> >
> > [1]
> https://wiki.strongswan.org/projects/strongswan/wiki/HelpRequests <
> https://wiki.strongswan.org/projects/strongswan/wiki/HelpRequests>
> >
> > Am 11.05.21 um 23:50 schrieb Karuna Sagar Krishna:
> > > Hi,
> > >
> > > I'm setting up a IPSec connection between a bunch of Ubuntu 18.04
> LTS nodes. I'm using Strongswan (Linux strongSwan U5.6.2/K5.4.0-1046-azure)
> on the Ubuntu nodes. The number of nodes is dynamic i.e. there are frequent
> scale out/ins. So the ipsec.conf file (see attached) is updated with
> additional conn sections and `sudo ipsec update` is used to reload the
> config file. However, I've noticed intermittent network connectivity issues
> and the syslog shows -> "no IKE config found for 10.0.0.14...10.0.0.18,
> sending NO_PROPOSAL_CHOSEN". Clearly, the ipsec status shows that the
> daemon has not reloaded the config irrespective of issuing `sudo ipsec
> update` multiple times.
> > >
> > > Can you help understand why the config is not updated and how to
> fix this issue?
> > >
> > >
> > >
> > > IPSec status:
> > > -----------------
> > >
> > > > sudo ipsec statusall
> > >
> > > Status of IKE charon daemon (strongSwan 5.6.2, Linux
> 5.4.0-1046-azure, x86_64):
> > > uptime: 45 minutes, since May 11 20:42:07 2021
> > > malloc: sbrk 2703360, mmap 0, used 778800, free 1924560
> > > worker threads: 11 of 16 idle, 5/0/0/0 working, job queue:
> 0/0/0/0, scheduled: 2
> > > loaded plugins: charon aesni aes rc2 sha2 sha1 md4 md5 mgf1
> 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 eap-mschapv2
> xauth-generic counters
> > > Listening IP addresses:
> > > 10.0.0.14
> > > Connections:
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> 10.0.0.14...10.0.0.15 IKEv2
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> local: [CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>] uses public key
> authentication
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> cert: "CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>"
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> remote: [CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>] uses public key
> authentication
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> cert: "CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>"
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> child: dynamic === dynamic TRANSPORT
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> 10.0.0.14...10.0.0.14 IKEv2
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> local: [CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>] uses public key
> authentication
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> cert: "CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>"
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> remote: [CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>] uses public key
> authentication
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> cert: "CN=IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>"
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>:
> child: dynamic === dynamic TRANSPORT
> > > /*Routed Connections:
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{2}:
> ROUTED, TRANSPORT, reqid 2
> > > hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn1-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{2}:
> 10.0.0.14/32 <http://10.0.0.14/32> <http://10.0.0.14/32 <
> http://10.0.0.14/32>> === 10.0.0.14/32 <http://10.0.0.14/32> <
> http://10.0.0.14/32 <http://10.0.0.14/32>>
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{1}:
> ROUTED, TRANSPORT, reqid 1
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{1}:
> 10.0.0.14/32 <http://10.0.0.14/32> <http://10.0.0.14/32 <
> http://10.0.0.14/32>> === 10.0.0.15/32 <http://10.0.0.15/32> <
> http://10.0.0.15/32 <http://10.0.0.15/32>>*/
> > > Security Associations (1 up, 0 connecting):
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>[11]:
> ESTABLISHED 26 minutes ago, 10.0.0.14[CN=
> IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>]...10.0.0.15[CN=
> IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net> <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net <
> http://IP-37fa1445fc.hdinsight-stable.azure-test.net>>]
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>[11]:
> IKEv2 SPIs: 1536ce9853bef399_i c00b62dfefa5f4ce_r*, public key
> reauthentication in 7 hours
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>[11]:
> IKE proposal: AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_2048
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{3}:
> INSTALLED, TRANSPORT, reqid 1, ESP SPIs: c73ba254_i c0ffd04a_o
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{3}:
> AES_CBC_256/HMAC_SHA2_256_128, 44961 bytes_i (822 pkts, 0s ago), 193357
> bytes_o (570 pkts, 1557s ago), rekeying in 7 hours
> > > hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net> <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net <
> http://hn0-kkafka.p0gi1uxxaaeebnlz4hfuq0bvkf.dx.internal.cloudapp.net>>{3}:
> 10.0.0.14/32 <http://10.0.0.14/32> <http://10.0.0.14/32 <
> http://10.0.0.14/32>> === 10.0.0.15/32 <http://10.0.0.15/32> <
> http://10.0.0.15/32 <http://10.0.0.15/32>>
> > >
> > >
> > > Charon logs:
> > > -----------------
> > >
> > > May 11 21:23:20 hn1-kkafka charon: 09[NET] received packet: from
> 10.0.0.18[500] to 10.0.0.14[500] (536 bytes)
> > > May 11 21:23:20 hn1-kkafka charon: 09[ENC] parsed IKE_SA_INIT
> request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) V V V V ]
> > > May 11 21:23:20 hn1-kkafka charon: 09[IKE] /*no IKE config found
> for 10.0.0.14...10.0.0.18, sending NO_PROPOSAL_CHOSEN*/
> > > May 11 21:23:20 hn1-kkafka charon: 09[ENC] generating IKE_SA_INIT
> response 0 [ N(NO_PROP) ]
> > > May 11 21:23:20 hn1-kkafka charon: 09[NET] sending packet: from
> 10.0.0.14[500] to 10.0.0.18[500] (36 bytes)
> > >
> > > --karuna
> > >
> >
>
>
>
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