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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>Hello there,<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>hope someone else also had the problem - and found a solution for it.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>My "internal" profile has TLS enabled with tlsv1, 1.1 and 1.2 - this worked like a charm on stretch. I'm using the freeswitch-repos.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>I upgraded to buster and here my problems started. Seems the gentls_cert only creates SHA1 (CA)Certificates - so freeswitch started with openssl error messages "md too weak". Tried at first to bypass this error by setting the tls_ciphers to "DEFAULT:@SECLEVEL=0" but this error still occured.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>So as a consequence, I modified the gentls_cert script and replaced everywhere the parameter -sha1 with -sha256. This error disappeared now, but the next one is coming up.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>It seems it does not matter which value I set for „tls_version“ - in every case, my TLS enabled port only accepts TLS 1.3 connections. I have the problem that we're also using older phones which only support TLS 1.0.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>Error message is:<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>tport_tls.c:157 tls_log_errors() TLS setup failed: 14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>I tried with openssl s_client and the parameters -tls1 -tls1_1 and so on - it really only worked for -tls1_3<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>Any idea about this? setting tls_version to tlsv1,tlsv1.1,tlsv1.2 does not change anything. Also setting the value just to tlsv1 does not help, I verified this with the phones AND with openssl s_client. Still only TLS 1.3 gives results here.<o:p></o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'><o:p> </o:p></span></p><p class=1qeiagb0cpwnlhdf9xsijm style='margin:0cm;margin-bottom:.0001pt;background:white;vertical-align:baseline;font-variant-ligatures: normal;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px'><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#1A1A1B'>Thanks in advance...<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>BR<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Walter<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>