[strongSwan] Strongswan 5.8 built from source site-to-site issues

Noel Kuntze noel.kuntze at thermi.consulting
Tue Jul 9 23:16:27 CEST 2019

Hello Leon,

It's just you.

Kind regards


Am 09.07.19 um 23:12 schrieb Leon K:
> Hi All,
> I have built Strongswan 5.8 from source on Ubuntu 18.04 and can't establish a site-to-site VPN tunnel.
> Tried both strongswan (swanctl,vici) and strongswan-starter (charon).
> I got this record in syslog.log:
> *no IKE config found for, sending NO_PROPOSAL_CHOSEN*
> On my production Ubuntu strongwan package (Linux strongSwan U5.6.2) it works with no issues and log records look differently (ipsec.cong/ipsec.secrets):
> looking for peer configs matching[34.X.X.X]...24.X.X.X[somevpn.somedomain.tld]
> In 5.8.0 it is looking for IKE config that matches local internal IP and remote resolved IP.
> I can attach my swanctl.conf and ipsec.conf+ipsec.secrets if it is necessary.
> But for now I just want to know if it is only me.
> Thank you
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Noel Kuntze
IT security consultant

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