<div dir="auto"><div dir="auto">Hi Daniel,</div><div dir="auto"><br></div><div dir="auto">This is the result:</div><div dir="auto"><br></div><div dir="auto">openssl s_client -connect <a href="http://sip.mydomain.com:5061">sip.mydomain.com:5061</a> -tlsextdebug</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">CONNECTED(00000005)</div><div dir="auto">TLS server extension "supported versions" (id=43), len=2</div><div dir="auto">0000 - 03 04 ..</div><div dir="auto">TLS server extension "key share" (id=51), len=36</div><div dir="auto">0000 - 00 1d 00 20 3b 06 9a e5-21 16 73 b1 db 04 55 47 ... ;.</div><div dir="auto">..!.s...UG</div><div dir="auto">0010 - 33 5a e0 98 af bf ba 3e-e6 0d 69 40 38 f8 c8 0b 3Z....</div><div dir="auto">.>..i@8...</div><div dir="auto">0020 - ed 79 f2 48 .y.H</div><div dir="auto">TLS server extension "server name" (id=0), len=0</div><div dir="auto">depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3</div><div dir="auto">verify return:1</div><div dir="auto">depth=1 C = US, O = Let's Encrypt, CN = Let's Encrypt Authority</div><div dir="auto"> X3</div><div dir="auto">verify return:1</div><div dir="auto">depth=0 CN = <a href="http://sip.mydomain.com">sip.mydomain.com</a></div><div dir="auto">verify return:1</div><div dir="auto">---</div><div dir="auto">Certificate chain</div><div dir="auto"> 0 s:CN = <a href="http://sip.mydomain.com">sip.mydomain.com</a></div><div dir="auto"> i:C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3</div><div dir="auto"> 1 s:C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3</div><div dir="auto"> i:O = Digital Signature Trust Co., CN = DST Root CA X3</div><div dir="auto">---</div><div dir="auto">Server certificate</div><div dir="auto">-----BEGIN CERTIFICATE-----</div><div dir="auto"><br></div><div dir="auto">[REDACTED]</div><div dir="auto"><br></div><div dir="auto">-----END CERTIFICATE-----</div><div dir="auto">subject=CN = <a href="http://sip.mydomain.com">sip.mydomain.com</a></div><div dir="auto"><br></div><div dir="auto">issuer=C = US, O = Let's Encrypt, CN = Let's Encrypt Authority</div><div dir="auto">X3</div><div dir="auto"><br></div><div dir="auto">---</div><div dir="auto">No client certificate CA names sent</div><div dir="auto">Peer signing digest: SHA256</div><div dir="auto">Peer signature type: RSA-PSS</div><div dir="auto">Server Temp Key: X25519, 253 bits</div><div dir="auto">---</div><div dir="auto">SSL handshake has read 3115 bytes and written 400 bytes</div><div dir="auto">Verification: OK</div><div dir="auto">---</div><div dir="auto">New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384</div><div dir="auto">Server public key is 2048 bit</div><div dir="auto">Secure Renegotiation IS NOT supported</div><div dir="auto">Compression: NONE</div><div dir="auto">Expansion: NONE</div><div dir="auto">No ALPN negotiated</div><div dir="auto">Early data was not sent</div><div dir="auto">Verify return code: 0 (ok)</div><div dir="auto">---</div><div dir="auto">read:errno=0</div><div dir="auto"><br></div><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr"><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
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