Safari can’t establish a secure connection

Can’t establish a secure connection is an error that usually occurs when using the web browser, Safari. It may mean that the webpage is on a server that does not meet secure cryptographic standards. When the error occurs, the website you are trying to open may be using a weak encryption or Safari cannot connect to its server.

Staff Asked 4 days ago in Safari.
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3 Solution(s)

Solution 1. Use a DNS address

Safari can’t establish a secure connection may due to the obtained DNS server, or your connection is checked by a firewall. Try to configure your DNS using Google public DNS, see if it fixes the problem. If it does, you might under a firewall or you have obtained a bad DNS address.

  1. Go to the Apple menu and select “System Preferences.”
    Select the “Network” control panel.

    RE: Safari can't establish a secure connection

  2. In the left side, select the network interface that you are using.
  3. Then click  “Advanced.”
  4. Then click “DNS” tab.
  5. Click + button to add a new DNS address.
  6. Add 8.8.8.8 and 8.8.4.4.
  7. When finished, click Ok.
  8. Then click Apply.

 

Staff Answered 4 days ago.
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Solution 2. Disable third-party software

“Safari can’t establish a secure connection” may also due to third-party software, this includes antivirus. Due to antivirus Web protection protocol, it prevents you to access a specific site. Try to disable all third-party software that runs in the background, to roll-out other interference.

Running your operating system in clean boot may disable all third-party software that runs on startup.

  1. Restart the computer.
  2.  If you have a login window, hold Shift key before pressing login button. Release when you’re on the Desktop.
  3.  If you do not use login window, hold Shift when progress bar start. Release when you’re on the Desktop.
  4. Try surfing the inter using Safari.
Staff Answered 4 days ago.
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Solution 3. Turn off IPv6

The IPv6 might be causing a conflict to your IPv4, which result to  “Safari can’t establish a secure connection.” Try to disable IPv6, it might solve the problem. See steps below.

  1. Go to the Apple menu and select “System Preferences.”
    Select the “Network” control panel.

    RE: Safari can't establish a secure connection

  2. In the left side, select the network interface that you are using.
  3. Then click  “Advanced.”
  4. Then click “TCP/IP” tab.
  5. In “Configure IPv6,” select Off.
  6. Then click OK.
Staff Answered 4 days ago.
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