[Swan] LibreSwan - Transport Mode with Certification from Windows Clients

[Matt Dennison]

Hi

I'm after a little help, not certain I'm fully on the right track.

I have successfully secured traffic between LibreSwan and multiple dynamic Windows hosts using preshared key and transport mode, as below as an example.
conn secure_hosts
type=transport
authby=secret
left=192.168.10.130
right=%any
pfs=yes
ike=3des-sha1;modp1024
phase2=esp
auto=ondemand

conn block-plain1
left=192.168.10.130
right=%any
rightsubnet=192.168.10.132/30
type=drop
authby=never
auto=ondemand
# low priority so secure_host wins when up
priority=6000

Now that I have this working I would like to change it over to using certificates if possible.  I've created and imported a certificate with chain into libreSwan and imported the certificate authority into my windows VM I'm using for testing.  So far I've tried;
Modifying the above and adding various combinations of the below from what sources of help I've been able to find online.
authby=rsasig
leftrsasigkey=%cert
leftcert=example.mydomain.net
leftsendcert=always
leftid=@example.mydomain.net
right=%any
rightca=%same
rightrsasigkey=%cert
On the windows client I've replaced preshared key authentication method and selected 'Use a certificate from this certification authority (CA)'.

Any advice is welcome.

Thanks

Matt
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