[Pkg-swan-devel] strongswan-starter: received NO_PROPOSAL_CHOSEN error notify

[Yves-Alexis Perez]

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On Wed, 2025-08-27 at 08:07 +0200, Andreas Tscharner wrote:
> After an update from 6.0.1 to 6.0.2 this morning I can no longer create 
> my VPN tunnel with Strongswan. I get the message "received 
> NO_PROPOSAL_CHOSEN error notify". I could connect with the exact same 
> configuration yesterday evening.
> Is this a bug or are there certain encryption methods that have been 
> removed (I haven't seen anything in the changelog though).

Hi Andreas, 

thanks for the report but we'll need a bit more information I guess. The
changelog for 6.0.2 is available at
https://github.com/strongswan/strongswan/releases/tag/6.0.2 can you check if
something rings a bell wrt. your setup?

I assume you're running sid/unstable on this box? Can you check what actually
changed on the install besides strongSwan (looking at apt/dpkg logs for
example). And can you compare the strongSwan logs between the working and non
working situations?

Also make sure nothing changed on the remote side?

Regards,
- -- 
Yves-Alexis
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