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Hi All:</div>
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Based on <span style="margin: 0px; font-family: "Calibri",sans-serif; font-size: 11pt;"><a href="https://tools.ietf.org/html/rfc2409#page-18"><font color="#0563c1">https://tools.ietf.org/html/rfc2409#page-18</font></a><font color="#000000">
</font></span>, "identification payload" in "msg 1 in quick mode" could be "optional". </div>
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Do you know how to configure IPsec.conf to let libreswan v3.20 to send out <span style="display: inline !important; float: none; background-color: transparent; color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-serif; font-size: 16px; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">"identification
payload"</span> ?</div>
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Thanks and regards</div>
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Hao Chen<br>
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