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<span>According to:</span></p>
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<span><a href="https://github.com/MicrosoftDocs/azure-docs/issues/32421">Ubuntu 18.04 VPN Connection fails · Issue #32421 · MicrosoftDocs/azure-docs · GitHub</a><span> </span></span></p>
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<span></span><br>
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<span>there may be additional plugins required to get eap working with strongswan</span></p>
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<span>The very last post suggests</span></p>
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<span>libcharon-extra-plugins libcharon-standard-plugins libstrongswan-standard-plugins libstrongswan-extra-plugins</span></p>
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Kind Regards</div>
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<i>Charles Fadipe</i></p>
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<i>Junior Penetration and Security Tester<br>
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<i>University Information Services<br>
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<span style="margin: 0px"><i>University of Cambridge</i> </span></p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif"><b>From:</b> Users <users-bounces@lists.strongswan.org> on behalf of David H Durgee <dhdurgee@verizon.net><br>
<b>Sent:</b> Sunday, June 27, 2021 10:42 pm<br>
<b>To:</b> users@lists.strongswan.org<br>
<b>Subject:</b> [strongSwan] problem connecting linux laptop to VPN using network-manager-strongswan 1.4.5-2.1
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<div class="PlainText">I am encountering a problem attempting to access a VPN using strongswan
<br>
from my linux laptop. I have it working from an android phone and <br>
tablet as well as a windows laptop, so I know the server is configured <br>
properly.<br>
<br>
The connection appears to start normally and then fails at the EAP <br>
stage. Log on the linux laptop shows:<br>
<br>
> Jun 27 17:05:15 Z560 charon-nm: 06[IKE] authentication of <br>
> 'durgeeenterprises.publicvm.com' with RSA_EMSA_PKCS1_SHA2_384 successful<br>
> Jun 27 17:05:15 Z560 charon-nm: 06[IKE] server requested EAP_IDENTITY <br>
> (id 0x00), sending 'dhdurgee'<br>
> Jun 27 17:05:15 Z560 charon-nm: 06[IKE] EAP_IDENTITY not supported, <br>
> sending EAP_NAK<br>
> Jun 27 17:05:15 Z560 charon-nm: 06[ENC] generating IKE_AUTH request 2 <br>
> [ EAP/RES/NAK ]<br>
> Jun 27 17:05:15 Z560 charon-nm: 06[NET] sending packet: from <br>
> 192.168.1.114[60298] to 108.31.28.59[4500] (76 bytes)<br>
> Jun 27 17:05:15 Z560 charon-nm: 09[NET] received packet: from <br>
> 108.31.28.59[4500] to 192.168.1.114[60298] (76 bytes)<br>
> Jun 27 17:05:15 Z560 charon-nm: 09[ENC] parsed IKE_AUTH response 2 [ <br>
> EAP/FAIL ]<br>
> Jun 27 17:05:15 Z560 charon-nm: 09[IKE] received EAP_FAILURE, EAP <br>
> authentication failed<br>
> Jun 27 17:05:15 Z560 charon-nm: 09[ENC] generating INFORMATIONAL <br>
> request 3 [ N(AUTH_FAILED) ]<br>
> Jun 27 17:05:15 Z560 charon-nm: 09[NET] sending packet: from <br>
> 192.168.1.114[60298] to 108.31.28.59[4500] (76 bytes)<br>
<br>
While on the server end I see:<br>
<br>
> Jun 27 17:05:15 DG41TY charon: 06[CFG] looking for peer configs <br>
> matching 192.168.80.11[%any]...172.58.187.218[dhdurgee]<br>
> Jun 27 17:05:15 DG41TY charon: 06[CFG] selected peer config 'ikev2-vpn'<br>
> Jun 27 17:05:15 DG41TY charon: 06[IKE] initiating EAP_IDENTITY method <br>
> (id 0x00)<br>
> Jun 27 17:05:15 DG41TY charon: 06[IKE] peer supports MOBIKE<br>
> Jun 27 17:05:15 DG41TY charon: 06[IKE] authentication of <br>
> 'durgeeenterprises.publicvm.com' (myself) with RSA_EMSA_PKCS1_SHA384 <br>
> successful<br>
> Jun 27 17:05:15 DG41TY charon: 06[IKE] sending end entity cert "C=US, <br>
> O=Durgee Enterprises LLC, CN=durgeeenterprises.publicvm.com"<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ IDr CERT AUTH EAP/REQ/ID ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] splitting IKE message with <br>
> length of 2092 bytes into 5 fragments<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ EF(1/5) ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ EF(2/5) ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ EF(3/5) ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ EF(4/5) ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[ENC] generating IKE_AUTH response 1 <br>
> [ EF(5/5) ]<br>
> Jun 27 17:05:15 DG41TY charon: 06[NET] sending packet: from <br>
> 192.168.80.11[4500] to 172.58.187.218[54591] (544 bytes)<br>
> Jun 27 17:05:15 DG41TY charon: message repeated 3 times: [ 06[NET] <br>
> sending packet: from 192.168.80.11[4500] to 172.58.187.218[54591] (544 <br>
> bytes)]<br>
> Jun 27 17:05:15 DG41TY charon: 06[NET] sending packet: from <br>
> 192.168.80.11[4500] to 172.58.187.218[54591] (176 bytes)<br>
> Jun 27 17:05:15 DG41TY charon: 05[NET] received packet: from <br>
> 172.58.187.218[54591] to 192.168.80.11[4500] (76 bytes)<br>
> Jun 27 17:05:15 DG41TY charon: 05[ENC] parsed IKE_AUTH request 2 [ <br>
> EAP/RES/NAK ]<br>
> Jun 27 17:05:15 DG41TY charon: 05[IKE] received EAP_NAK, sending <br>
> EAP_FAILURE<br>
> Jun 27 17:05:15 DG41TY charon: 05[ENC] generating IKE_AUTH response 2 <br>
> [ EAP/FAIL ]<br>
> Jun 27 17:05:15 DG41TY charon: 05[NET] sending packet: from <br>
> 192.168.80.11[4500] to 172.58.187.218[54591] (76 bytes)<br>
<br>
What am I doing wrong here? I assume I have an error in the linux <br>
client configuration, since android and windows clients work with the <br>
server. What did I miss?<br>
<br>
Dave<br>
<br>
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