[strongSwan] Help! I can't configure Windows 10 to send remote id (leftid) for IKEv2

[Marwan Khalili]

I have looked through the options but can not find it. Would be very grateful if you could describe how to do it when you have time.

I am using the VPN client built-in Windows 10. I have searched for an option corresponding the "Remote ID" in macOS in the following locations to no avail:
 - Settings -> Network & Internet -> VPN
 - Control Panel -> Network and Internet -> Network Connections
 - rasphone.pbk - %APPDATA%\Microsoft\Network\Connections\Pbk\rasphone.pbk
 - PowerShell documentation for Add-VpnConnection and Set-VpnConnectionIPsecConfiguration

________________________________
From: Christian Salway <christian.salway at naimuri.com>
Sent: Wednesday, September 26, 2018 01:29
To: bls s
Cc: Marwan Khalili; users at lists.strongswan.org
Subject: Re: [strongSwan] Help! I can't configure Windows 10 to send remote id (leftid) for IKEv2

You can set the ID in windows 10 if you go through the options for the connection you will see it. Not near a computer otherwise I’d get you the instructions.

On 26 Sep 2018, at 02:30, bls s <bls3427 at outlook.com<mailto:bls3427 at outlook.com>> wrote:

I'm curious about this as well. From my work on pistrong (see elsewhere), it looks to me like Windows doesn't have a way to send an ID that you can use for matching. I haven't tried this, but you might be able to make it work by using a separate "VPN certificate" for the Windows connection that has an altname in it corresponding to a secondary DNS name for your server. You can then have Windows connect to the secondary DNS name and, in theory, it would eventually match that connection.

Again, just a theory, I'm definitely interested in other approaches to solving this.
________________________________
From: Users <users-bounces at lists.strongswan.org<mailto:users-bounces at lists.strongswan.org>> on behalf of Marwan Khalili <choklad_321 at hotmail.com<mailto:choklad_321 at hotmail.com>>
Sent: Tuesday, September 25, 2018 7:47 AM
To: users at lists.strongswan.org<mailto:users at lists.strongswan.org>
Subject: [strongSwan] Help! I can't configure Windows 10 to send remote id (leftid) for IKEv2

Hello,

I have a strongSwan server running with the ipsec.conf pasted below.

The clients are using Windows 10 and macOS and they must be able to choose connection. I am trying to separate the connections using "leftid" with different subdomains for each connection (e.g. vpn1.example.org<http://vpn1.example.org>, vpn2.example.org<http://vpn2.example.org>).

My solution below works in macOS by matching "Remote ID" with the appropriate "leftid", however I can't get it to work in Windows 10.

I am very grateful to any help or ideas of how I can solve this.


ipsec.conf
--------------
conn %default
  auto=add
  dpdaction=clear
  dpddelay=180s
  eap_identity=%any
  esp=aes256-sha256,aes256-sha1,3des-sha1!
  forceencaps=yes
  ike=aes256-sha1-modp1024,aes128-sha1-modp1024,3des-sha1-modp1024!
  keyexchange=ikev2
  leftcert=cert.pem
  leftsendcert=always
  rightauth=eap-mschapv2
  rightsendcert=never

conn conn1
  left=%any
  leftid=@vpn1.example.org<mailto:leftid=@vpn1.example.org>
  leftsubnet=0.0.0.0/0
  right=%any
  rightid=%any
  rightdns=8.8.8.8,8.8.4.4
  rightsourceip=10.10.10.1/24

conn conn2
  left=%any
  leftid=@vpn2.khalili.xyz<mailto:leftid=@vpn2.khalili.xyz>
  leftsubnet=0.0.0.0/0
  right=%any
  rightid=%any
  rightdns=8.8.8.8,8.8.4.4
  rightsourceip=10.10.10.2/24
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