I am getting the following error when using wget to fetch a file:

  Issued certificate not yet valid.
To connect to www.atlassian.com insecurely, use ‘--no-check-certificate’.

Testing with openssl returns a similar message:

Verify return code: 9 (certificate is not yet valid)

Your system clock is likely set in the past.

  • Well, so easy ... Thanks a lot (specially on embedded devices it is good to check if RTC is set correctly ...) – hfrmobile Mar 31 '17 at 8:42

When checking the ssl certificate 'notBefore' date with openssl it was valid... It turns out my calling machine's system time was way in the past.


For me the issue was system clock out of sync. I wanted to also provide a lync to the fix (setup ntp). How do I update a CentOS server's time from an authoritative time server?

  • 2
    please try to avoid link only answers. provide full answer into your post, with reference links. – Federico Galli Oct 12 '17 at 9:48

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