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<p class="MsoNormal"><span style="color:windowtext">Hello Walter,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">I did not found file ca.pem (root certificate) for testing.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Mark<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> openssl-users [mailto:openssl-users-bounces@openssl.org]
<b>On Behalf Of </b>Walter H.<br>
<b>Sent:</b> Wednesday, May 30, 2018 11:17 AM<br>
<b>To:</b> openssl-users@openssl.org<br>
<b>Subject:</b> Re: [openssl-users] Test SSL connection<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On 30.05.2018 08:45, Mark Shnaider via openssl-users wrote: <o:p>
</o:p></p>
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<p>Hello, <o:p></o:p></p>
<p>I use OpenSSL version is openssl-1.1.0h(Windows) and <o:p></o:p></p>
<p>I run following command from apps directory <o:p></o:p></p>
<p><code><span lang="EN" style="font-size:10.0pt">openssl s_server -accept 443 -www</span></code><span lang="EN">
</span><o:p></o:p></p>
<p>The server in this case use certificate "server.pem" <o:p></o:p></p>
<p>On client computer I run command <o:p></o:p></p>
<p>openssl s_client -connect 10.65.48.108:443 <o:p></o:p></p>
<p>On client computer I get error : <o:p></o:p></p>
<p>Verify return code: 21 (unable to verify the first certificate) <o:p></o:p></p>
<p>What is wrong? <o:p></o:p></p>
<p>Thanks for any help <o:p></o:p></p>
<p>Mark <o:p></o:p></p>
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<p class="MsoNormal">very probable, that the client doesn't have the root ca certificate of the ca certificate that signed server.pem<br>
<br>
you should have at least the following<br>
<br>
ca.pem - the root ca<br>
server.pem - the server ssl/tls certificate<br>
<br>
Walter<o:p></o:p></p>
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