# openssl s_client -servername www.google.co.kr -connect www.google.co.kr:443 -m sg CONNECTED(00000003) >>> ??? [length 0005] 16 03 01 01 39 >>> TLS 1.3, Handshake [length 0139], ClientHello 01 00 01 35 03 03 53 68 29 02 20 9c f9 98 41 66 c9 5e 32 8b 25 8a 0b 12 e2 92 ed c5 94 b7 41 d6 24 1c 2e ce fe ef 20 12 d3 e6 93 03 eb 61 11 bf a7 3d ac 43 6f 61 d8 e3 d9 b3 51 a8 7e 00 37 d5 3d 3f c4 90 2b 81 4c 00 3e 13 02 13 03 13 01 c0 2c c0 30 00 9f cc a9 cc a8 cc aa c0 2b c0 2f 00 9e c0 24 c0 28 00 6b c0 23 c0 27 00 67 c0 0a c0 14 00 39 c0 09 c0 13 00 33 00 9d 00 9c 00 3d 00 3c 00 35 00 2f 00 ff 01 00 00 ae 00 00 00 15 00 13 00 00 10 77 77 77 2e 67 6f 6f 67 6c 65 2e 63 6f 2e 6b 72 00 0b 00 04 03 00 01 02 00 0a 00 0c 00 0a 00 1d 00 17 00 1e 00 19 00 18 00 23 00 00 00 16 00 00 00 17 00 00 00 0d 00 30 00 2e 04 03 05 03 06 03 08 07 08 08 08 09 08 0a 08 0b 08 04 08 05 08 06 04 01 05 01 06 01 03 03 02 03 03 01 02 01 03 02 02 02 04 02 05 02 06 02 00 2b 00 09 08 03 04 03 03 03 02 03 01 00 2d 00 02 01 01 00 33 00 26 00 24 00 1d 00 20 f0 ca b0 f7 22 d2 e3 ae db 71 ad 65 de 9d 7c 58 a1 8b 03 fe 35 c8 1d 64 6a d9 78 4a 93 6c 43 63 <<< ??? [length 0005] 16 03 03 00 7a <<< TLS 1.3, Handshake [length 007a], ServerHello 02 00 00 76 03 03 ec cc be 00 57 1e a8 24 88 81 8b b6 58 9f bc d0 ed ef 01 6d d7 9a c7 a2 db ef 06 e2 56 2b 8c 2f 20 12 d3 e6 93 03 eb 61 11 bf a7 3d ac 43 6f 61 d8 e3 d9 b3 51 a8 7e 00 37 d5 3d 3f c4 90 2b 81 4c 13 02 00 00 2e 00 33 00 24 00 1d 00 20 67 9d 49 2d 1b 72 6b 35 64 c4 30 31 e6 86 36 20 c3 61 3b 48 eb 4b 7b a2 1a 53 a0 bf 22 28 d6 31 00 2b 00 02 03 04 <<< ??? [length 0005] 14 03 03 00 01 <<< ??? [length 0005] 17 03 03 09 ed <<< TLS 1.3 [length 0001] 16 <<< TLS 1.3, Handshake [length 0006], EncryptedExtensions 08 00 00 02 00 00 <<< TLS 1.3, Handshake [length 0952], Certificate 0b 00 09 4e 00 00 09 4a 00 04 f2 30 82 04 ee 30 82 03 d6 a0 03 02 01 02 02 10 0e 15 8b 83 90 6f 17 13 08 00 00 00 00 4b f6 68 30 0d 06 09 2a 86 48 86 f7 0d 01 01 0b 05 00 30 42 31 0b 30 09 06 03 55 04 06 13 02 55 53 31 1e 30 1c 06 03 55 04 0a 13 15 47 6f 6f 67 6c 65 20 54 72 75 73 74 20 53 65 72 76 69 63 65 73 31 13 30 11 06 03 55 04 03 13 0a 47 54 53 20 43 41 20 31 4f 31 30 1e 17 0d 32 30 30 37 30 37 30 38 31 31 34 33 5a 17 0d 32 30 30 39 32 39 30 38 31 31 34 33 5a 30 68 31 0b 30 09 06 03 55 04 06 13 02 55 53 31 13 30 11 06 03 55 04 08 13 0a 43 61 6c 69 66 6f 72 6e 69 61 31 16 30 14 06 03 55 04 07 13 0d 4d 6f 75 6e 74 61 69 6e 20 56 69 65 77 31 13 30 11 06 03 55 04 0a 13 0a 47 6f 6f 67 6c 65 20 4c 4c 43 31 17 30 15 06 03 55 04 03 0c 0e 2a 2e 67 6f 6f 67 6c 65 2e 63 6f 2e 6b 72 30 59 30 13 06 07 2a 86 48 ce 3d 02 01 06 08 2a 86 48 ce 3d 03 01 07 03 42 00 04 88 0b 1d ff 7c 97 be 0f fc 30 6f af b6 de d6 47 a4 91 b3 06 f8 14 7b a5 5e 47 b6 d6 74 ca ee aa a8 58 68 b8 1c 5b b6 ef 88 c7 dc f7 f8 ce 9a f6 b2 80 2d c4 06 5b 56 30 98 47 53 63 b5 3a 8e 0b a3 82 02 83 30 82 02 7f 30 0e 06 03 55 1d 0f 01 01 ff 04 04 03 02 07 80 30 13 06 03 55 1d 25 04 0c 30 0a 06 08 2b 06 01 05 05 07 03 01 30 0c 06 03 55 1d 13 01 01 ff 04 02 30 00 30 1d 06 03 55 1d 0e 04 16 04 14 e7 c1 89 43 1b a8 29 1c c9 f6 ab 87 d4 a0 5b cc de cc b7 e6 30 1f 06 03 55 1d 23 04 18 30 16 80 14 98 d1 f8 6e 10 eb cf 9b ec 60 9f 18 90 1b a0 eb 7d 09 fd 2b 30 68 06 08 2b 06 01 05 05 07 01 01 04 5c 30 5a 30 2b 06 08 2b 06 01 05 05 07 30 01 86 1f 68 74 74 70 3a 2f 2f 6f 63 73 70 2e 70 6b 69 2e 67 6f 6f 67 2f 67 74 73 31 6f 31 63 6f 72 65 30 2b 06 08 2b 06 01 05 05 07 30 02 86 1f 68 74 74 70 3a 2f 2f 70 6b 69 2e 67 6f 6f 67 2f 67 73 72 32 2f 47 54 53 31 4f 31 2e 63 72 74 30 3f 06 03 55 1d 11 04 38 30 36 82 0e 2a 2e 67 6f 6f 67 6c 65 2e 63 6f 2e 6b 72 82 0b 2a 2e 67 6f 6f 67 6c 65 2e 6b 72 82 0c 67 6f 6f 67 6c 65 2e 63 6f 2e 6b 72 82 09 67 6f 6f 67 6c 65 2e 6b 72 30 21 06 03 55 1d 20 04 1a 30 18 30 08 06 06 67 81 0c 01 02 02 30 0c 06 0a 2b 06 01 04 01 d6 79 02 05 03 30 33 06 03 55 1d 1f 04 2c 30 2a 30 28 a0 26 a0 24 86 22 68 74 74 70 3a 2f 2f 63 72 6c 2e 70 6b 69 2e 67 6f 6f 67 2f 47 54 53 31 4f 31 63 6f 72 65 2e 63 72 6c 30 82 01 05 06 0a 2b 06 01 04 01 d6 79 02 04 02 04 81 f6 04 81 f3 00 f1 00 77 00 c6 52 a0 ec 48 ce b3 fc ab 17 09 92 c4 3a 87 41 33 09 e8 00 65 a2 62 52 40 1b a3 36 2a 17 c5 65 00 00 01 73 28 8b 9a 86 00 00 04 03 00 48 30 46 02 21 00 ca 0e 0a 33 10 b2 2c c6 7f f3 a8 33 2d 77 96 ec 13 4f df 26 8b 91 57 ab 10 9a 1d 18 3d c9 3d a2 02 21 00 8d 1b 87 45 d3 9f f9 1e 74 b2 6f 0b 00 5d c9 2a ae 89 7d 47 c3 9f a3 66 85 eb 31 38 44 30 56 33 00 76 00 b2 1e 05 cc 8b a2 cd 8a 20 4e 87 66 f9 2b b9 8a 25 20 67 6b da fa 70 e7 b2 49 53 2d ef 8b 90 5e 00 00 01 73 28 8b 9a 85 00 00 04 03 00 47 30 45 02 21 00 83 92 c8 84 c0 3e e5 8c b1 a1 8f 86 42 2c b3 12 b7 60 d6 33 b1 c1 8c 7a 60 ca 2d 2f 21 49 2a a4 02 20 12 61 fa 53 94 78 92 87 06 d5 33 11 da 29 ab b9 99 c0 e4 95 2e a2 0f 20 1d 65 de 1f 95 7e 1b 8f 30 0d 06 09 2a 86 48 86 f7 0d 01 01 0b 05 00 03 82 01 01 00 6c a6 f3 e8 b1 7f 66 e0 44 a2 77 85 7e e6 f6 ad e2 7b 9d 5f b2 70 fb a6 be c5 da 89 ee d2 71 1b 52 ff e7 e2 ba fd ca 69 94 43 e8 ac 35 76 bf f7 17 bb 82 af 50 5a 78 9f 65 84 8b 96 6a e0 48 63 48 4a b0 ee 7e 1f 1f 47 9d fd f2 27 33 4c 18 03 9b 28 16 96 04 b4 36 69 5f da 15 af ad 7e 0f 98 8b b6 e2 3f 6f 26 17 07 d4 49 5c 1c 7e e7 6e 71 f1 6e 56 79 cc 58 af ca 22 d8 13 1e 44 be a4 f8 a4 b7 91 79 1b 46 02 7f 09 c7 d0 da af 65 2d 61 76 69 24 3a 3e 05 76 4e 8f c1 b5 06 2f 8c c6 d4 6a ee fd 1a 3d dd d3 91 22 4b ac ab 47 38 ba 7d cc 0a df 6c 85 7e 4f 6e 86 e7 fe 7a 25 7c 49 cd 37 92 fd 3d 42 55 e4 ba 61 08 c1 c9 a0 51 ca 66 04 84 74 ef cb 85 6e 4f af 58 c6 bd 25 24 e8 39 db c3 fe cb ca 1e a5 8a 75 00 c5 e7 3d b9 d8 39 fa 8c dd 0b 91 b9 30 94 d4 ae 4d e4 6e b3 78 c4 00 00 00 04 4e 30 82 04 4a 30 82 03 32 a0 03 02 01 02 02 0d 01 e3 b4 9a a1 8d 8a a9 81 25 69 50 b8 30 0d 06 09 2a 86 48 86 f7 0d 01 01 0b 05 00 30 4c 31 20 30 1e 06 03 55 04 0b 13 17 47 6c 6f 62 61 6c 53 69 67 6e 20 52 6f 6f 74 20 43 41 20 2d 20 52 32 31 13 30 11 06 03 55 04 0a 13 0a 47 6c 6f 62 61 6c 53 69 67 6e 31 13 30 11 06 03 55 04 03 13 0a 47 6c 6f 62 61 6c 53 69 67 6e 30 1e 17 0d 31 37 30 36 31 35 30 30 30 30 34 32 5a 17 0d 32 31 31 32 31 35 30 30 30 30 34 32 5a 30 42 31 0b 30 09 06 03 55 04 06 13 02 55 53 31 1e 30 1c 06 03 55 04 0a 13 15 47 6f 6f 67 6c 65 20 54 72 75 73 74 20 53 65 72 76 69 63 65 73 31 13 30 11 06 03 55 04 03 13 0a 47 54 53 20 43 41 20 31 4f 31 30 82 01 22 30 0d 06 09 2a 86 48 86 f7 0d 01 01 01 05 00 03 82 01 0f 00 30 82 01 0a 02 82 01 01 00 d0 18 cf 45 d4 8b cd d3 9c e4 40 ef 7e b4 dd 69 21 1b c9 cf 3c 8e 4c 75 b9 0f 31 19 84 3d 9e 3c 29 ef 50 0d 10 93 6f 05 80 80 9f 2a a0 bd 12 4b 02 e1 3d 9f 58 16 24 fe 30 9f 0b 74 77 55 93 1d 4b f7 4d e1 92 82 10 f6 51 ac 0c c3 b2 22 94 0f 34 6b 98 10 49 e7 0b 9d 83 39 dd 20 c6 1c 2d ef d1 18 61 65 e7 23 83 20 a8 23 12 ff d2 24 7f d4 2f e7 44 6a 5b 4d d7 50 66 b0 af 9e 42 63 05 fb e0 1c c4 63 61 af 9f 6a 33 ff 62 97 bd 48 d9 d3 7c 14 67 dc 75 dc 2e 69 e8 f8 6d 78 69 d0 b7 10 05 b8 f1 31 c2 3b 24 fd 1a 33 74 f8 23 e0 ec 6b 19 8a 16 c6 e3 cd a4 cd 0b db b3 a4 59 60 38 88 3b ad 1d b9 c6 8c a7 53 1b fc bc d9 a4 ab bc dd 3c 61 d7 93 15 98 ee 81 bd 8f e2 64 47 20 40 06 4e d7 ac 97 e8 b9 c0 59 12 a1 49 25 23 e4 ed 70 34 2c a5 b4 63 7c f9 a3 3d 83 d1 cd 6d 24 ac 07 02 03 01 00 01 a3 82 01 33 30 82 01 2f 30 0e 06 03 55 1d 0f 01 01 ff 04 04 03 02 01 86 30 1d 06 03 55 1d 25 04 16 30 14 06 08 2b 06 01 05 05 07 03 01 06 08 2b 06 01 05 05 07 03 02 30 12 06 03 55 1d 13 01 01 ff 04 08 30 06 01 01 ff 02 01 00 30 1d 06 03 55 1d 0e 04 16 04 14 98 d1 f8 6e 10 eb cf 9b ec 60 9f 18 90 1b a0 eb 7d 09 fd 2b 30 1f 06 03 55 1d 23 04 18 30 16 80 14 9b e2 07 57 67 1c 1e c0 6a 06 de 59 b4 9a 2d df dc 19 86 2e 30 35 06 08 2b 06 01 05 05 07 01 01 04 29 30 27 30 25 06 08 2b 06 01 05 05 07 30 01 86 19 68 74 74 70 3a 2f 2f 6f 63 73 70 2e 70 6b 69 2e 67 6f 6f 67 2f 67 73 72 32 30 32 06 03 55 1d 1f 04 2b 30 29 30 27 a0 25 a0 23 86 21 68 74 74 70 3a 2f 2f 63 72 6c 2e 70 6b 69 2e 67 6f 6f 67 2f 67 73 72 32 2f 67 73 72 32 2e 63 72 6c 30 3f 06 03 55 1d 20 04 38 30 36 30 34 06 06 67 81 0c 01 02 02 30 2a 30 28 06 08 2b 06 01 05 05 07 02 01 16 1c 68 74 74 70 73 3a 2f 2f 70 6b 69 2e 67 6f 6f 67 2f 72 65 70 6f 73 69 74 6f 72 79 2f 30 0d 06 09 2a 86 48 86 f7 0d 01 01 0b 05 00 03 82 01 01 00 1a 80 3e 36 79 fb f3 2e a9 46 37 7d 5e 54 16 35 ae c7 4e 08 99 fe bd d1 34 69 26 52 66 07 3d 0a ba 49 cb 62 f4 f1 1a 8e fc 11 4f 68 96 4c 74 2b d3 67 de b2 a3 aa 05 8d 84 4d 4c 20 65 0f a5 96 da 0d 16 f8 6c 3b db 6f 04 23 88 6b 3a 6c c1 60 bd 68 9f 71 8e ee 2d 58 34 07 f0 d5 54 e9 86 59 fd 7b 5e 0d 21 94 f5 8c c9 a8 f8 d8 f2 ad cc 0f 1a f3 9a a7 a9 04 27 f9 a3 c9 b0 ff 02 78 6b 61 ba c7 35 2b e8 56 fa 4f c3 1c 0c ed b6 3c b4 4b ea ed cc e1 3c ec dc 0d 8c d6 3e 9b ca 42 58 8b cc 16 21 17 40 bc a2 d6 66 ef da c4 15 5b cd 89 aa 9b 09 26 e7 32 d2 0d 6e 67 20 02 5b 10 b0 90 09 9c 0c 1f 9e ad d8 3b ea a1 fc 6c e8 10 5c 08 52 19 51 2a 71 bb ac 7a b5 dd 15 ed 2b c9 08 2a 2c 8a b4 a6 21 ab 63 ff d7 52 49 50 d0 89 b7 ad f2 af fb 50 ae 2f e1 95 0d f3 46 ad 9d 9c f5 ca 00 00 depth=1 C = US, O = Google Trust Services, CN = GTS CA 1O1 verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 C = US, ST = California, L = Mountain View, O = Google LLC, CN = *.google.co.kr verify error:num=9:certificate is not yet valid notBefore=Jul 7 08:11:43 2020 GMT verify return:1 depth=0 C = US, ST = California, L = Mountain View, O = Google LLC, CN = *.google.co.kr notBefore=Jul 7 08:11:43 2020 GMT verify return:1 <<< TLS 1.3, Handshake [length 0050], CertificateVerify 0f 00 00 4c 04 03 00 48 30 46 02 21 00 91 51 c0 7c 06 67 c8 1f f9 2d 14 2c dd a7 80 27 11 28 4b 45 1f 99 5a 1a 90 ed 9f 9f 80 10 77 64 02 21 00 a4 dd c6 ab 28 fc 3c bf 92 bb 9d f2 ad 26 47 e2 02 44 40 9c 6d 5a 66 8a c4 c4 dc 6b 48 20 50 07 <<< TLS 1.3, Handshake [length 0034], Finished 14 00 00 30 a0 4f aa cf 67 e5 97 a0 9d ba be 0d 81 b7 c2 e1 b3 5e a8 45 00 ed c2 7a 32 2d 01 42 4c fb 2b a4 f5 14 79 0b 07 1f d9 0d c8 de 94 54 7e ca a5 60 >>> ??? [length 0005] 14 03 03 00 01 >>> TLS 1.3, ChangeCipherSpec [length 0001] 01 >>> ??? [length 0005] 17 03 03 00 45 >>> TLS 1.3 [length 0001] 16 >>> TLS 1.3, Handshake [length 0034], Finished 14 00 00 30 19 7d 63 6f 51 21 eb 80 94 ba 85 2f a7 4b 07 1f 30 0a d2 22 9a 3e 9b 55 42 3f 86 e7 85 45 25 a9 2e fc d3 82 a6 d0 b7 d3 5d 16 4e e7 e2 51 89 fc --- Certificate chain 0 s:C = US, ST = California, L = Mountain View, O = Google LLC, CN = *.google.co.kr i:C = US, O = Google Trust Services, CN = GTS CA 1O1 1 s:C = US, O = Google Trust Services, CN = GTS CA 1O1 i:OU = GlobalSign Root CA - R2, O = GlobalSign, CN = GlobalSign --- Server certificate -----BEGIN CERTIFICATE----- MIIE7jCCA9agAwIBAgIQDhWLg5BvFxMIAAAAAEv2aDANBgkqhkiG9w0BAQsFADBC MQswCQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMw EQYDVQQDEwpHVFMgQ0EgMU8xMB4XDTIwMDcwNzA4MTE0M1oXDTIwMDkyOTA4MTE0 M1owaDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcT DU1vdW50YWluIFZpZXcxEzARBgNVBAoTCkdvb2dsZSBMTEMxFzAVBgNVBAMMDiou Z29vZ2xlLmNvLmtyMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEiAsd/3yXvg/8 MG+vtt7WR6SRswb4FHulXke21nTK7qqoWGi4HFu274jH3Pf4zpr2soAtxAZbVjCY R1NjtTqOC6OCAoMwggJ/MA4GA1UdDwEB/wQEAwIHgDATBgNVHSUEDDAKBggrBgEF BQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTnwYlDG6gpHMn2q4fUoFvM3sy3 5jAfBgNVHSMEGDAWgBSY0fhuEOvPm+xgnxiQG6DrfQn9KzBoBggrBgEFBQcBAQRc MFowKwYIKwYBBQUHMAGGH2h0dHA6Ly9vY3NwLnBraS5nb29nL2d0czFvMWNvcmUw KwYIKwYBBQUHMAKGH2h0dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwPwYD VR0RBDgwNoIOKi5nb29nbGUuY28ua3KCCyouZ29vZ2xlLmtyggxnb29nbGUuY28u a3KCCWdvb2dsZS5rcjAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUD MDMGA1UdHwQsMCowKKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29y ZS5jcmwwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwDGUqDsSM6z/KsXCZLEOodB MwnoAGWiYlJAG6M2KhfFZQAAAXMoi5qGAAAEAwBIMEYCIQDKDgozELIsxn/zqDMt d5bsE0/fJouRV6sQmh0YPck9ogIhAI0bh0XTn/kedLJvCwBdySquiX1Hw5+jZoXr MThEMFYzAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFzKIua hQAABAMARzBFAiEAg5LIhMA+5YyxoY+GQiyzErdg1jOxwYx6YMotLyFJKqQCIBJh +lOUeJKHBtUzEdopq7mZwOSVLqIPIB1l3h+VfhuPMA0GCSqGSIb3DQEBCwUAA4IB AQBspvPosX9m4ESid4V+5vat4nudX7Jw+6a+xdqJ7tJxG1L/5+K6/cpplEPorDV2 v/cXu4KvUFp4n2WEi5Zq4EhjSEqw7n4fH0ed/fInM0wYA5soFpYEtDZpX9oVr61+ D5iLtuI/byYXB9RJXBx+525x8W5WecxYr8oi2BMeRL6k+KS3kXkbRgJ/CcfQ2q9l LWF2aSQ6PgV2To/BtQYvjMbUau79Gj3d05EiS6yrRzi6fcwK32yFfk9uhuf+eiV8 Sc03kv09QlXkumEIwcmgUcpmBIR078uFbk+vWMa9JSToOdvD/svKHqWKdQDF5z25 2Dn6jN0LkbkwlNSuTeRus3jE -----END CERTIFICATE----- subject=C = US, ST = California, L = Mountain View, O = Google LLC, CN = *.google.co.kr issuer=C = US, O = Google Trust Services, CN = GTS CA 1O1 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: ECDSA Server Temp Key: X25519, 253 bits --- SSL handshake has read 2679 bytes and written 398 bytes Verification error: certificate is not yet valid --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 256 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 9 (certificate is not yet valid) --- read:errno=0 >>> ??? [length 0005] 17 03 03 00 13 >>> TLS 1.3 [length 0001] 15 >>> TLS 1.3, Alert [length 0002], warning close_notify 01 00