<div dir="ltr">Check the length of the dtls-srtp.pem key, if its length is short (< 4096) you can run into handshake issues.<div><br></div><div>You can also remove the pem file and allow FreeSWITCH to create a fresh one upon restart.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 4 Dec 2020 at 14:36, Eberl Guenther <<a href="mailto:guenther.eberl@besharp.at">guenther.eberl@besharp.at</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="DE-AT">
<div class="gmail-m_-433267599145372225WordSection1">
<p class="MsoNormal"><span lang="EN-US">Hi,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I guess it is the freeswitch bug were TLS V 1.0 for audio streams is hardcoded in older versions.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">You should see it on your data traces on the audio ports.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Bye<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Gunther<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<div>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class="MsoNormal"><b><span lang="DE">Von:</span></b><span lang="DE"> FreeSWITCH-users <<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>>
<b>Im Auftrag von </b>Jazmin Marina Florez Marino<br>
<b>Gesendet:</b> Freitag, 4. Dezember 2020 18:24<br>
<b>An:</b> FreeSWITCH Users Help <<a href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">freeswitch-users@lists.freeswitch.org</a>>; <a href="mailto:freeswitch-dev@lists.freeswitch.org" target="_blank">freeswitch-dev@lists.freeswitch.org</a>; <a href="mailto:freeswitch-users-request@lists.freeswitch.org" target="_blank">freeswitch-users-request@lists.freeswitch.org</a><br>
<b>Betreff:</b> [Freeswitch-users] HELP DTLS HANDSHAKE to FAIL chromeV87<u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span lang="ES-CO">Hi<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I have a verto client trying to connect to FS using Chrome V87 but we have DTLS problems.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The openssl version we are using on FS side is OpenSSL 1.0.2k-fips
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">FreeSWITCH (Version 1.8.4 64bit)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:red">FS LOG - Chrome V87 FAILED CONNECTION<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.762291 [ERR] switch_rtp.c:3199 video Handshake failure 1<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.762291 [INFO] switch_rtp.c:3200 Changing video DTLS state from HANDSHAKE to FAIL<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.832295 [ERR] switch_rtp.c:3199 audio Handshake failure 1<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.832295 [INFO] switch_rtp.c:3200 Changing audio DTLS state from HANDSHAKE to FAIL<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.852295 [NOTICE] switch_rtp.c:3181 Hangup verto.rtc/3520 [CS_EXECUTE] [DESTINATION_OUT_OF_ORDER]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.852295 [DEBUG] switch_core_media.c:7470 verto.rtc/3520 Video thread ended<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [INFO] conference_loop.c:1670 Channel leaving conference, cause: DESTINATION_OUT_OF_ORDER<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_session.c:2639 verto.rtc/3520 skip receive message [DISPLAY] (channel is hungup already)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] mod_conference.c:2467 verto.rtc/3520 skip receive message [TRANSFER] (channel is hungup already)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_media.c:12220 verto.rtc/3520 skip receive message [BITRATE_REQ] (channel is hungup already)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_codec.c:248 verto.rtc/3520 Restore previous codec opus:116.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_session.c:2886 verto.rtc/3520 skip receive message [PHONE_EVENT] (channel is hungup already)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:650 (verto.rtc/3520) State EXECUTE going to sleep<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:584 (verto.rtc/3520) Running State Change CS_HANGUP (Cur 1 Tot 3)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:847 (verto.rtc/3520) Callstate Change ACTIVE -> HANGUP<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:849 (verto.rtc/3520) State HANGUP<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:60 verto.rtc/3520 Standard HANGUP, cause: DESTINATION_OUT_OF_ORDER<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:23:06.872305 [DEBUG] switch_core_state_machine.c:849 (verto.rtc/3520) State HANGUP going to sleep<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The weird thing is the connection works ok when the version of chrome is V86. Some weeks ago chrome was updated and we detected this issue.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:red">FS LOG - ChromeV86 CONNECTION OK<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.622294 [INFO] switch_rtp.c:3206 Changing video DTLS state from HANDSHAKE to SETUP<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [INFO] switch_rtp.c:3113 video Fingerprint Verified.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [INFO] switch_rtp.c:4104 Activating video Secure RTP SEND<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [INFO] switch_rtp.c:4082 Activating video Secure RTP RECV<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [DEBUG] switch_core_sqldb.c:2617 Secure Type: srtp:dtls:AES_CM_128_HMAC_SHA1_80<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [INFO] switch_rtp.c:3155 Changing video DTLS state from SETUP to READY<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [DEBUG] switch_rtp.c:1890 rtcp_stats_init: video ssrc[2719546543] base_seq[1999]<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.672317 [DEBUG] switch_core_sqldb.c:2617 Secure Type: srtp:dtls:AES_CM_128_HMAC_SHA1_80<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [INFO] switch_rtp.c:3206 Changing audio DTLS state from HANDSHAKE to SETUP<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [INFO] switch_rtp.c:3113 audio Fingerprint Verified.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [INFO] switch_rtp.c:4104 Activating audio Secure RTP SEND<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [INFO] switch_rtp.c:4082 Activating audio Secure RTP RECV<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [DEBUG] switch_core_sqldb.c:2617 Secure Type: srtp:dtls:AES_CM_128_HMAC_SHA1_80<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [INFO] switch_rtp.c:3155 Changing audio DTLS state from SETUP to READY<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">2020-12-03 11:19:19.702298 [DEBUG] switch_core_sqldb.c:2617 Secure Type: srtp:dtls:AES_CM_128_HMAC_SHA1_80<u></u><u></u></span></p>
</div>
</div>
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<a href="https://freeswitch.com" rel="noreferrer" target="_blank">https://freeswitch.com</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature">Best Regards,<br>Ciprian Dosoftei<br><br>The information transmitted is intended only for the addressee and may contain privileged and/or confidential material. If you are not the intended recipient, kindly contact the sender and delete the message.<br><br>Any disclosure, distribution or copying of this message is strictly prohibited without the expressed permission of the sender.</div>