<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Beyond being plain interesting, it is the most cost-efective way to implement secure identity between SIP Proxies serving different domains.<div><div><br></div><div>Adrian</div><div><br></div><div><div><div><div>On Feb 10, 2009, at 8:57 PM, Iñaki Baz Castillo wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>El Martes, 10 de Febrero de 2009, Bogdan-Andrei Iancu escribió:<br><blockquote type="cite">Hello,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">OpenSIPS 1.5.0 has a new module. The "identity" module is an<br></blockquote><blockquote type="cite">implementation of SIP identity as per RFC 4474<br></blockquote><blockquote type="cite">(<a href="http://www.ietf.org/rfc/rfc4474.txt">http://www.ietf.org/rfc/rfc4474.txt</a>).<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Abstract (from RFC) :<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> The existing security mechanisms in the Session Initiation Protocol<br></blockquote><blockquote type="cite"> (SIP) are inadequate for cryptographically assuring the identity of<br></blockquote><blockquote type="cite"> the end users that originate SIP requests, especially in an<br></blockquote><blockquote type="cite"> interdomain context. This document defines a mechanism for securely<br></blockquote><blockquote type="cite"> identifying originators of SIP messages. It does so by defining two<br></blockquote><blockquote type="cite"> new SIP header fields, Identity, for conveying a signature used for<br></blockquote><blockquote type="cite"> validating the identity, and Identity-Info, for conveying a reference<br></blockquote><blockquote type="cite"> to the certificate of the signer<br></blockquote><br>Really interesting :)<br><br><br>-- <br>Iñaki Baz Castillo<br><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br></div></blockquote></div><br></div></div></div></body></html>