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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In a production environment, the below error is seen. The TLS handshake is fine and messages are being exchanged as seen from pcap and when one of the TCP message is read,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2018-05-11T11:24:05.000-04:00 [local2] [err] ffd-alpha-zone1-ccm1.ipc.com /usr/sbin/opensipsInternal[10325]: ERROR:core:_tls_read: TLS connection to 10.204.34.62:52094 read failed<o:p></o:p></p>
<p class="MsoNormal">2018-05-11T11:24:05.000-04:00 [local2] [err] ffd-alpha-zone1-ccm1.ipc.com /usr/sbin/opensipsInternal[10325]: ERROR:core:_tls_read: TLS read error: 1<o:p></o:p></p>
<p class="MsoNormal">2018-05-11T11:24:05.000-04:00 [local2] [err] ffd-alpha-zone1-ccm1.ipc.com /usr/sbin/opensipsInternal[10325]: ERROR:core:tls_print_errstack: TLS errstack: error:140890B2:SSL routines:SSL3_GET_CLIENT_CERTIFICATE:no certificate returned<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This error is seen. TLS read error: 1 indicates <span class="pl-en">
<span style="font-size:9.0pt;font-family:Consolas;color:#6F42C1;background:white">SSL_ERROR_SSL</span></span><span style="font-size:9.0pt;font-family:Consolas;color:#24292E;background:white">.
</span>Checking the pcap for success and failure case, they are no abnormalities. It fails for only one user randomly. Today in our test it failed twice with the same error when reading a TLS packet. TLS session establishment is fine. Any pointers would really
help.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<span style="font-size:9.0pt;font-family:Consolas;color:#24292E;background:white"> </span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:3.0pt;page-break-after:avoid"><b><span lang="EN-GB" style="font-size:12.0pt;font-family:"Calibri Light",sans-serif;color:black">Rajeshkumar Govindaraj<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;page-break-after:avoid"><span lang="EN-GB" style="font-size:12.0pt;color:black">Software Engineer<br>
</span><span style="font-size:10.0pt;color:black">777 Commerce Drive,<br>
Fairfield, CT-06825<br>
</span><b><span lang="FR" style="font-size:10.0pt;color:black">T</span></b><span lang="FR" style="font-size:10.0pt;color:black"> +1 201 253 7803
</span><span style="font-size:10.0pt;font-family:Symbol;color:#5B9BD5">|</span><span lang="FR" style="font-size:10.0pt;color:black">
<b>M</b> +1 475 439 9918 </span><span style="font-size:10.0pt;font-family:Symbol;color:#5B9BD5">|</span><span lang="FR" style="font-size:10.0pt;color:black">
<b>E</b> <a href="mailto:Rajesh.Govindaraj@ipc.com"><span style="color:#0563C1">Rajesh.Govindaraj@ipc.com</span></a></span><span lang="EN-GB" style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:FR">Follow us on twitter:
</span><span style="font-size:10.0pt">@<span style="text-transform:uppercase">ipc</span>_Systems_Inc
</span><a href="http://www.ipc.com/"><span style="font-size:10.0pt;color:#0563C1">www.ipc.com</span></a><span style="font-size:10.0pt;color:#44546A"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#44546A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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