有时候需要检查对端服务器所使用的证书是不是符合预期, 如果是 HTTPS
服务可以通过浏览器来检查, 那如果对端服务器并不是一个 HTTPS
的服务, 那么就可以用下面的命令来检查(当然 HTTPS
也支持, 无差别 TLS
):
1 openssl s_client -showcerts -verify_quiet -connect 6xyun.cn:443
这条命令会打印服务端口的 TLS
细节信息, 并且保持连接, 甚至可以使用这个命令模拟 HTTP
请求:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 openssl s_client -showcerts -verify_quiet -connect 6xyun.cn:443 CONNECTED(00000188) --- Certificate chain 0 s:CN = 6xyun.cn i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIGITCCBQmgAwIBAgISBCN7YkMsTAgjIkxQrBK05/X1MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMjEwMDUwMTM2MzJaFw0yMzAxMDMwMTM2MzFaMBMxETAPBgNVBAMT CDZ4eXVuLmNuMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2/Mo1783 mCo5k3Jp073EQk9dyP0eLQiZIiCDGybddn021y6p2D23anzVkRNWXHYFPY7dDY+q S78KO8vKZnG090aHOipW7N+VbmMTBiHC0D/vkFaVmkQeSNSRcvcJwDi9gcfFH7Gm J/v/aBrg1DziTNbBaA8mr05jS+wb9qo1KafhhWWMxAzaWkPowyN/R6w+uQC5JaWY lBe/2Vh8jVEArebEMCbW9FtsLp9Hip5pJoeaCBX7A4pQAqQ6Q8uag37Ln/k0uEEU 7WlEeblR7BufYB0KnOC7Vh7ebDiSXnZhln1hpBLhLdFYh8DQBgcXMEULGDiyJ5q2 vlqjHXQAzR2QLYEV80inCM7PZQ7q+VlJ74VSGd2Rjt016XHOhAnK5n+z6/piMFux U3KVE+3QGgi0s20TQim4lmCeXPiWQeSNITCv++kK65mxrV94RjdBUCZDI6q6Irbj a9SEPlHb7eSnu9T+dbiPphiECotFspMDvAztKVnGYjJ9i70BmF/fyfxJi9YPmuXB bCIx33Cu4EB+vQeg7zZowBCbSQdzK9I7+230gCf6FnLsf1X3b7Rv9CbcH6td8q8A 4nk0oSZMg+5xrHAIKudSEhxZwnNmE3Lr3pnQcoLNxMLeJU+E/ofsd2rehugCav3d 1aBHNJGQNyeqBKI5J/loyzPvh+hOR1KXNokCAwEAAaOCAk4wggJKMA4GA1UdDwEB /wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/ BAIwADAdBgNVHQ4EFgQUFH6GCsmjl049htvHjjUoAZKPwFgwHwYDVR0jBBgwFoAU FC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzAB hhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5p LmxlbmNyLm9yZy8wHwYDVR0RBBgwFoIKKi42eHl1bi5jboIINnh5dW4uY24wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYOmAHj5AAAE AwBHMEUCIGi5/txj7Bj+lWrky+qaZb/tMshaBTYg6muSQJeWvbAMAiEA2rm0A7Nk aSz+gFp25YzleXn1ZuTwDka1AZGGxvqdJNEAdQDfpV6raIJPH2yt7rhfTj5a6s2i EqRqXo47EsAgRFwqcwAAAYOmAHrEAAAEAwBGMEQCIAHDNuihysfwv+vtnpp6hJxM K/To30K4vfIk7N7HZOwLAiB2w85lSgXas7KPnUSnAdvL6KxTxuvVAdGs/zmJ0wAD gTANBgkqhkiG9w0BAQsFAAOCAQEAf0uBET5G06lREmj6CabZrr44OSnnWaGuax7S sVENmbt4+dZwm56/WZM/mD5mp7+9KmOERxhcXxhD7YqmI1jfniwf8R+b45mdIeMA f+tqQFR3asZzAc1TAupyxh5WEOwEo86EBnOIUvgxjzfef1AemBYLcVT4RB5XOgE8 rf+ogJjsv7nsgl+E14fQBNyjnE5nLtEwVjaWseXpHXBbHC8OrGXwb2UCAVDeDvT2 sNIAwaalr0O0TQAJbb/F+nmcwepUwIOJwvTElLw/iaFLP1OZBLsey+9mBxvKyPx/ 094+td6lWXeC11x7kXodsSagb02mTRSuisO0pmI2iCztrSZlJA== -----END CERTIFICATE----- 1 s:C = US, O = Let's Encrypt, CN = R3 i:C = US, O = Internet Security Research Group, CN = ISRG Root X1 -----BEGIN CERTIFICATE----- MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw WhcNMjUwOTE1MTYwMDAwWjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg RW5jcnlwdDELMAkGA1UEAxMCUjMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP R5QUVTVXjJ6oojkZ9YI8QqlObvU7wy7bjcCwXPNZOOftz2nwWgsbvsCUJCWH+jdx sxPnHKzhm+/b5DtFUkWWqcFTzjTIUu61ru2P3mBw4qVUq7ZtDpelQDRrK9O8Zutm NHz6a4uPVymZ+DAXXbpyb/uBxa3Shlg9F8fnCbvxK/eG3MHacV3URuPMrSXBiLxg Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG /kiFHaFpriV1uxPMUgP17VGhi9sVAgMBAAGjggEIMIIBBDAOBgNVHQ8BAf8EBAMC AYYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYB Af8CAQAwHQYDVR0OBBYEFBQusxe3WFbLrlAJQOYfr52LFMLGMB8GA1UdIwQYMBaA FHm0WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcw AoYWaHR0cDovL3gxLmkubGVuY3Iub3JnLzAnBgNVHR8EIDAeMBygGqAYhhZodHRw Oi8veDEuYy5sZW5jci5vcmcvMCIGA1UdIAQbMBkwCAYGZ4EMAQIBMA0GCysGAQQB gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W PTNlclQtgaDqw+34IL9fzLdwALduO/ZelN7kIJ+m74uyA+eitRY8kc607TkC53wl ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm lJNXoB1lBMEKIq4QDUOXoRgffuDghje1WrG9ML+Hbisq/yFOGwXD9RiX8F6sw6W4 avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2 yJMC6alLbBfODALZvYH7n7do1AZls4I9d1P4jnkDrQoxB3UqQ9hVl3LEKQ73xF1O yK5GhDDX8oVfGKF5u+decIsH4YaTw7mP3GFxJSqv3+0lUFJoi5Lc5da149p90Ids hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+ HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX nLRbwHOoq7hHwg== -----END CERTIFICATE----- 2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1 i:O = Digital Signature Trust Co., CN = DST Root CA X3 -----BEGIN CERTIFICATE----- MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/ MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT DkRTVCBSb290IENBIFgzMB4XDTIxMDEyMDE5MTQwM1oXDTI0MDkzMDE4MTQwM1ow TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQCt6CRz9BQ385ueK1coHIe+3LffOJCMbjzmV6B493XC ov71am72AE8o295ohmxEk7axY/0UEmu/H9LqMZshftEzPLpI9d1537O4/xLxIZpL wYqGcWlKZmZsj348cL+tKSIG8+TA5oCu4kuPt5l+lAOf00eXfJlII1PoOK5PCm+D LtFJV4yAdLbaL9A4jXsDcCEbdfIwPPqPrt3aY6vrFk/CjhFLfs8L6P+1dy70sntK 4EwSJQxwjQMpoOFTJOwT2e4ZvxCzSow/iaNhUd6shweU9GNx7C7ib1uYgeGJXDR5 bHbvO5BieebbpJovJsXQEOEO3tkQjhb7t/eo98flAgeYjzYIlefiN5YNNnWe+w5y sR2bvAP5SQXYgd0FtCrWQemsAXaVCg/Y39W9Eh81LygXbNKYwagJZHduRze6zqxZ Xmidf3LWicUGQSk+WT7dJvUkyRGnWqNMQB9GoZm1pzpRboY7nn1ypxIFeFntPlF4 FQsDj43QLwWyPntKHEtzBRL8xurgUBN8Q5N0s8p0544fAQjQMNRbcTa0B7rBMDBc SLeCO5imfWCKoqMpgsy6vYMEG6KDA0Gh1gXxG8K28Kh8hjtGqEgqiNx2mna/H2ql PRmP6zjzZN7IKw0KKP/32+IVQtQi0Cdd4Xn+GOdwiK1O5tmLOsbdJ1Fu/7xk9TND TwIDAQABo4IBRjCCAUIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYw SwYIKwYBBQUHAQEEPzA9MDsGCCsGAQUFBzAChi9odHRwOi8vYXBwcy5pZGVudHJ1 c3QuY29tL3Jvb3RzL2RzdHJvb3RjYXgzLnA3YzAfBgNVHSMEGDAWgBTEp7Gkeyxx +tvhS5B1/8QVYIWJEDBUBgNVHSAETTBLMAgGBmeBDAECATA/BgsrBgEEAYLfEwEB ATAwMC4GCCsGAQUFBwIBFiJodHRwOi8vY3BzLnJvb3QteDEubGV0c2VuY3J5cHQu b3JnMDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6Ly9jcmwuaWRlbnRydXN0LmNvbS9E U1RST09UQ0FYM0NSTC5jcmwwHQYDVR0OBBYEFHm0WeZ7tuXkAXOACIjIGlj26Ztu MA0GCSqGSIb3DQEBCwUAA4IBAQAKcwBslm7/DlLQrt2M51oGrS+o44+/yQoDFVDC 5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW 9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5 -----END CERTIFICATE----- --- Server certificate subject=CN = 6xyun.cn issuer=C = US, O = Let's Encrypt, CN = R3 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 5065 bytes and written 374 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_128_GCM_SHA256 Server public key is 4096 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- GET / HTTP/1.1 HOST:tools.6xyun.cn HTTP/1.1 200 OK Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000 Content-Type: text/html; charset=utf-8,gbk Date: Sat, 05 Nov 2022 11:12:17 GMT Server: nginx/1.23.2 Vary: Accept-Encoding Transfer-Encoding: chunked ee <html> <head><title>Index of /</title></head> <body> <h1>Index of /</h1><hr><pre><a href="../">../</a> <a href="CyberChef/">CyberChef/</a> 11-Aug-2022 02:23 - </pre><hr></body> </html> 0
要查看某个证书细节, 可以使用以下命令:
键入后粘贴证书内容即可, 或使用非交互式命令:
1 2 3 4 5 openssl x509 -text << EOF -----BEGIN CERTIFICATE----- ... -----END CERTIFICATE----- EOF