<html xmlns:v="urn:schemas-microsoft-com:vml" 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=us-ascii">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
span.EmailStyle19
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#1F497D">If by “tcp connection” you mean a connection to an http listener on the phone, there is a patch to insert a standard HTTP X-Forwarded-For header containing the originating IP. If you mean a raw TCP connection,
with some app-specific protocol, then I’m not aware of any way to do that – wait for others’ answers, maybe there is a way – but even if there’s not, couldn’t you leverage the stunnel log for that?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">X-Forwarded-For patch info: <a href="https://www.stunnel.org/pipermail/stunnel-users/2013-May/004203.html">
https://www.stunnel.org/pipermail/stunnel-users/2013-May/004203.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> stunnel-users [mailto:stunnel-users-bounces@stunnel.org]
<b>On Behalf Of </b>Simner, John<br>
<b>Sent:</b> Thursday, October 17, 2013 8:10 AM<br>
<b>To:</b> stunnel-users@stunnel.org<br>
<b>Subject:</b> EXTERNAL: [stunnel-users] stunnel server communicating external client IP addresses through to a TCP server for logging purposes<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">We have recently used stunnel on the phone as a server to encrypt the communication between an external client and a TCP server on the phone.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">There is a requirement for the phone to log every external client access.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Is there any way for stunnel to include the IP address of the external client when setting up an new TCP connection to the local TCP server?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thank you for your assistance and I look forward to your responses.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thanks..<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">John<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">John Simner BSc(Hons) MSc CEng. MIET</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Software Engineer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Unify Enterprise Communications Ltd.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Devices Development<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">K Block, Technology Drive, Beeston, Nottingham, NG9 1LA<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Tel.: +44 (0) 19088 17378<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Email:
<a href="mailto:vorname.name@unify.com">john.simner@unify.com </a><u><span style="color:blue"><o:p></o:p></span></u></span></p>
<p class="MsoNormal"><u><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="http://www.unify.co.uk/">www.unify.co.uk</a></span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Follow us: </span><span lang="EN-GB"><a href="http://www.unify.com/social-media"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:windowtext;text-decoration:none"><img border="0" width="132" height="14" id="Bild_x0020_1" src="cid:image001.png@01CECB13.E72F3190" alt="Social_media_icons"></span></a></span><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif"">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Unify Enterprise Communications Limited. Registered Office: Brickhill Street, Willen Lake, Milton Keynes, MK15 0DJ<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Registered No: 5903714, England.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">This email contains confidential information and is for the exclusive use of the addressee.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">If you are not the addressee then any distribution, copying, or use of this email is prohibited.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">If received in error, please advise the sender and delete immediately. We accept no liability for<br>
any loss or damage suffered by any person arising from use of this email.</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
</div>
</body>
</html>