<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)"><title>Re: [Freeswitch-users] SIP Trunking</title><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If the phone supports provisioning then you could probably use the phone’s MAC address as a filename and have your box to generate a config file on the fly that way.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><br>And yes, Ken is right on this one, a MAC address is really meant for the link local network, not the WAN as most people think it is.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><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"'> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>On Behalf Of </b>Ken Rice<br><b>Sent:</b> Thursday, July 4, 2013 8:41 AM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> Re: [Freeswitch-users] SIP Trunking<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Courier New"'>No... The MAC address on the wire would not actually be the mac address from the phone if the there is a router between the phone and the server, and if the mac address were embedded in the SIP messages it would be easy to spoof so this is sorta useless for validating where the traffic came from (plus MAC addresses are way easy to spoof, most network card drivers allow you to actually specify the MAC you want to use as a setting)<br><br>On 7/4/13 2:27 AM, "Ashwin Jain" <<a href="ashwinrkjain@gmail.com">ashwinrkjain@gmail.com</a>> wrote:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Is there anyway in which we can authenticate SIP phones based on MAC addresses?</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><br>-- <br>Ken<br><u><span style='color:blue'><a href="http://www.FreeSWITCH.org">http://www.FreeSWITCH.org</a><br><a href="http://www.ClueCon.com">http://www.ClueCon.com</a><br><a href="http://www.OSTAG.org">http://www.OSTAG.org</a><br></span></u>irc.freenode.net #freeswitch</span><o:p></o:p></p></div></div></body></html>