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<p class="MsoNormal"><span lang="EN-US">Hello, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am working on Kamailio 3.2.2. There is no traffic, only functional test done.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Based on the SIP Client used until now (Xlite), the INVITE is systematically authenticated by 407 as there is no Proxy-Authorization in the initial INVITE. Expected/normal behavior.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But when using an internal SIP client, the initial INVITE is generated with a Proxy-Authorization containing the nonce value used by the successful registration.
<o:p></o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-US">In Authorization of Register (the answer is 200OK)<o:p></o:p></span></u></p>
<p class="MsoNormal"><span lang="EN-US">Digest username="+33296488922@ims.v0.pftest.net", realm="sip:ims.v0.pftest.net", nonce="<span style="color:red">UDP43lAzpH7SjicT6+9/KDDloW4OTfTXoGWlZurBVut0JV604jox/QY+tVeA</span>", uri="sip:ims.v0.pftest.net", response="4ed51b8e62cf769b19f8c4771e068ad3",
cnonce="06440000000529330fe1", qop=auth, nc=00000011<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-US">In Proxy-Authorization of Invite <o:p>
</o:p></span></u></p>
<p class="MsoNormal"><span lang="EN-US">Digest username="+33296488922@ims.v0.pftest.net", realm="sip:ims.v0.pftest.net", nonce="<span style="color:red">UDP43lAzpH7SjicT6+9/KDDloW4OTfTXoGWlZurBVut0JV604jox/QY+tVeA</span>", uri="sip:0157361149@ims.v0.pftest.net",
response="b247052d6d5b37e0b6677c816390cb77", cnonce="06440000000529330fe1", qop=auth, nc=00000012<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">As the nonce expire is high (see nonce_expire), I don't understand why Kamailio requests the Authentication of the INVITE by 407.
<o:p></o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-US">407 with Proxy-Authenticate</span></u><span lang="EN-US">: Digest realm="ims.v0.pftest.net", nonce="UDP6pVAzpkWDF+jSlP3zzVYcuNPhY8NQBj62WIA=", qop="auth", stale=true<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">Does it mean that the REGISTER and INVITE are using different Nonce value ? <o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:Wingdings">è</span><span lang="EN-US"> Information on my configuration file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">modparam("auth_db", "db_url", DBURLAUTH)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">modparam("auth", "auth_checks_register", 6) # callid and From TAG<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">modparam("auth", "qop", "auth") # enable qop=auth<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">modparam("auth", "nonce_count", 1) # enable nonce_count support
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">modparam("auth", "nonce_expire", 21600) # Set nonce_expire to 6 hours
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For register, I do <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (!www_authorize("$ru", "subscriber"))<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if($? == -2 || $? == -3) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> sl_send_reply("403","Forbidden auth ID");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> else {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> www_challenge("$ru", "17");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For invite, I do <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (!proxy_authorize("$fd", "subscriber"))
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if($? == -2 || $? == -3) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> sl_send_reply("403","Forbidden auth ID");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> else {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> proxy_challenge("$fd", "17");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog("L_INFO","INVITE challenged by 407 to :$di:$dp \n");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Followed by consume_credentials();<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks in advance for your support.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Patrice B</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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