
Manually check the expiration date of an SSL certificate:
1. Retrieve the certificate.
$ echo "" | openssl s_client -connect server:443 > certificate
2. Check the expiration date of the certificate.
$ openssl x509 -in certificate -noout -enddate
notAfter=Nov 11 23:59:59 2010 GMT
Tak zase za rok :-) Orig návod je zde.
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