Tema

Kako na brzinu provjeriti certifikat web servera.

Postupak – tl;dr

• openssl s_client -servername <%Domena%> -connect <%domena%>:443 | openssl x509 -noout -issuer -subject -dates
• openssl s_client -servername mirkoweb.hr -connect mirkoweb.hr:443 | openssl x509 -noout -issuer -subject -dates

Rezultat

depth=2 C = GB, ST = Greater Manchester, L = Salford, O = COMODO CA Limited, CN = COMODO RSA Certification Authority # (tko je izdao certifikat) verify return:1 depth=1 C = US, ST = TX, L = Houston, O = "cPanel, Inc.", CN = "cPanel, Inc. Certification Authority" verify return:1 depth=0 CN = www.domena.tld verify return:1 issuer=C = US, ST = TX, L = Houston, O = "cPanel, Inc.", CN = "cPanel, Inc. Certification Authority" subject=CN = www.domena.tld # (kome je certifikat izdan) notBefore=Jul 21 00:00:00 2021 GMT # (od kada do kada vrijedi) notAfter=Oct 19 23:59:59 2021 GMT

Izvor: https://www.howtouselinux.com/post/openssl-command-to-generate-view-check-certificate

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ssl https xssl xhttps certificate xcertificate check xcheck