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Halil A.'s avatar
Halil A.
New member | Level 1
10 years ago
Solved

Cannot establish a secure connection

Your computer will compare your system date to the expiration date of our SSL certificate. If your system time is stuck in the past or so far in the future that it is outside of Dropbox's SSL certificate expiration date, a secure connection will not be established. This is easily corrected by changing your system time to the current date...

  • Rich's avatar
    Rich
    9 years ago

    There isn't anything for Dropbox to fix. Issues such as this are almost always caused by something specific to the computer, and are not a wider Dropbox issue that they have control over.

    Possible causes are antivirus or firewalls interfering with the connection, incorrect date and time settings, etc. See the following help article for more information.

    https://help.dropbox.com/sync/files-not-syncing 

  • In updated and related news, I went into settings and turned off Proxy. Bingo! Now DropBox is updating automatically. (This despite the corporate firewall that evidently exists, or maybe I just imagined that.)

     

    Either way, your suggestions are much appreciated.

15 Replies

Replies have been turned off for this discussion
  • wdalston's avatar
    wdalston
    Helpful | Level 5
    8 years ago
    You are probably right! The new year is an *ideal* time to roll out more security protocols and break something! Thanks.
  • wdalston's avatar
    wdalston
    Helpful | Level 5
    8 years ago

    In updated and related news, I went into settings and turned off Proxy. Bingo! Now DropBox is updating automatically. (This despite the corporate firewall that evidently exists, or maybe I just imagined that.)

     

    Either way, your suggestions are much appreciated.

  • Eletros's avatar
    Eletros
    Explorer | Level 4
    8 years ago
    Omg Yes! it worked! i haven't been able to connect discord and at one point i couldn't connect One drive. Weird to think it was the proxy .-.
  • jamesbnh's avatar
    jamesbnh
    New member | Level 2
    8 years ago
    sent me to correct help page about changing proxy settings. For some reason my Dropbox preference setting was on auto detect fro proxy. I didn't change anything, so i guess someone updated something and it changed or became an issue. Any way, changing proxy setting to no proxy and rebooting iMac solved the issue.
  • stevewrightuk's avatar
    stevewrightuk
    Explorer | Level 3
    6 years ago

    Had the same symptoms on my PC. Turned out that I was running a program called Fiddler at the same time. Stopping that and restarting Dropbox fixed the problem. 

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