$ echo | openssl s_client -showcerts -connect 193.107.86.49:443 2> /dev/null | openssl x509 -noout -text Certificate: Data: Version: 1 (0x0) Serial Number: 10371163328470251131 (0x8fedc6193506f67b) Signature Algorithm: sha1WithRSAEncryption Issuer: C=SR, ST=Some-State, O=Internet Widgits Pty Ltd Validity Not Before: May 3 21:12:06 2013 GMT Not After : May 3 21:12:06 2014 GMT Subject: C=SR, ST=Some-State, O=Internet Widgits Pty Ltd Subject Public Key Info: Public Key Algorithm: rsaEncryption Public-Key: (1024 bit) Modulus: 00:ca:4b:73:d1:90:89:d5:0d:8d:d2:fe:7b:4a:76: 57:21:c4:9d:ea:50:5c:0f:a7:08:10:e4:c5:dd:7d: 55:af:78:02:3a:1a:d8:85:f7:4e:11:bb:9d:dd:b8: a3:e4:81:f9:b7:6d:2e:c5:2c:fb:c6:f7:db:57:52: c4:dc:f2:f8:73:b0:35:b2:6f:8b:81:5b:e5:fc:50: e2:0a:4d:16:4e:78:ef:d1:3f:b6:ab:02:c4:50:35: 22:7e:64:64:e9:db:0a:c6:91:d9:f6:ff:19:a3:f7: 22:20:39:ff:16:5e:40:05:23:7b:27:a9:f6:fb:14: a6:08:13:40:ce:ac:8f:67:11 Exponent: 65537 (0x10001) Signature Algorithm: sha1WithRSAEncryption 54:9a:5d:23:2f:73:e4:b5:f9:e7:58:01:bc:57:0d:be:93:cb: 53:b3:ff:83:bf:23:c3:89:5c:36:ec:87:5b:5a:66:2d:5a:4f: 59:89:d0:6b:47:9d:18:9f:c2:64:d8:8f:27:61:46:89:f6:e3: bb:57:6e:9c:cc:75:47:b8:e8:ed:23:63:88:6a:d9:49:0e:5f: 0d:d7:c1:b0:c8:e9:ab:a7:c0:31:e0:dc:f5:50:25:31:da:57: 5c:55:ee:24:89:c9:f3:74:55:a0:ef:22:9c:c4:7a:22:79:84: 46:f2:6d:53:ba:73:fc:0f:06:ee:f0:f6:1a:7e:96:0b:cc:b1: 52:a0