[strongSwan] Question about strongSwan configuration using RSA signature

Jorge Ventura jorge.araujo.ventura at gmail.com
Fri Aug 31 20:36:41 CEST 2012

Now I understand, the peer id MUST be the full subject line from the peer
certificate, not only the CN from the subject line. When I replaced that in
the ipsec.conf, the line pointing to the local peer certificate is not

On Fri, Aug 31, 2012 at 1:11 PM, Jorge Ventura <
jorge.araujo.ventura at gmail.com> wrote:

> I have a linux box configured to authenticate by RSA signature using x509
> certificate self-signed. My peer is a cisco router ASA-5505.
> Both sides have the CA (self signed) certificate authority and they are
> using IKEv2 and everything is working but I have one question:
> Why do I need to have the certificate from the peer installed locally in
> the directory /etc/ipsec.d/certs ??? It's weird to me because the ASA-5505
> doesn't have any information about the certificate from the linux box,
> it's negotiated at the time of connection. If I remove the directive at
> ipsec.conf
> pointing to a local certificate copy from the peer, a receive a message:
> constraint check failed: identity '' required
> and the connection does not succeed.
> I think that my configuration is incomplete.
> Thanks,
> Ventura
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