<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Baskerville;
panose-1:2 2 5 2 7 4 1 2 3 3;}
@font-face
{font-family:"Times New Roman \(Body CS\)";
panose-1:2 11 6 4 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Baskerville",serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body lang="EN-IN" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US">Many thanks for the clarification Tobias!
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US">So, as I understand, along with this particular point that you just clarified, INITIAL_CONTACT (while acting as initiator) has been a day-1 behaviour on StrongSwan
(please do correct if this understanding is incorrect).<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US">Thanks,</span><span style="font-family:"Baskerville",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif">Mohit<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Baskerville",serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Tobias Brunner <tobias@strongswan.org><br>
<b>Date: </b>Wednesday, 14 July 2021 at 1:18 PM<br>
<b>To: </b>"MOHIT CHALLA (mochalla)" <mochalla@cisco.com>, "users@lists.strongswan.org" <users@lists.strongswan.org><br>
<b>Subject: </b>Re: [strongSwan] Query on INITIAL_CONTACT<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Hi Mohit,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<blockquote style="border:none;border-left:solid #B5C4DF 4.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-right:0cm" id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE">
<div>
<p class="MsoNormal">This text seems to indicate that StrongSwan sends out INITIAL_CONTACT
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">when it is acting as an initiator unless the above option is set to 'never'.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">My question is if this has been the behaviour of StrongSwan's
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">implementation since day-1? If a device is using an older version of
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">StrongSwan's implementation, will the above documented behaviour hold true?<o:p></o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Older versions (before 5.6.1) also didn't send the notify when the value
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">was set to "no".<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Regards,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Tobias<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</body>
</html>