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If you can’t open a website in Safari on Mac

Discussion threads can be closed at any time at our discretion. Don't show this again. Computers Cannot access secured Web sites after OS X update Inconsistent symptoms suggest several approaches people can try to get certificate-based Web communication working properly. While the problem has not been fully addressed or even characterized since there is ambiguity as to how it manifests, some people have been able to fix the problem by performing some of the following options: Therefore, if your date and time settings on your system are off, then the negotiation may be denied.

So check your date and time to ensure they are properly set, but do not just check it and manually set it based on a local clock. You can ensure the time has updated by de-selecting this option and then altering the system time slightly, followed by checking the option to automatically set the date and time. By default, the system uses the time. Clear firewall settings While firewalls should prevent incoming port traffic, a misconfiguration of the system's firewall may prevent either time server negotiation or other communications with the sites you are attempting to load.

Therefore, try disabling the firewall to test whether or not it is interfering with the connection. To do this, go to the "Security" system preferences and in the "Firewall" tab uncheck the option to enable the firewall. Even if the problem persists after disabling the firewall, you might still consider clearing your local firewall configuration and starting with a fresh one.

Use this menu to create a new network configuration to try, and then add and configure or remove required ports from the port list.

Cannot access secured Web sites after OS X update - CNET

Therefore, you can try clearing and rebuilding your network configuration to tackle the problem. All of the google results I saw suggested either repairing the Keychain which I tried and which did not help or were only applicable if there were "Parental Controls" involved, which doesn't apply here. If I had to guess, I would think that wherever Safari is checking for "certificates" is somehow corrupted, but I could be wrong.

A report on forums. This happens as well in Safari 5. This just reared its ugly head again, this time with Yosemite.

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I tried to follow the advice here, which involved getting information about the root certificate used by the offending website via the web browser: How to fix: I got no love here, since every browser refused to negotiate a connection far enough to get the name of the certificate issuer. Finally, I was able to open the website on an old machine with Internet Explorer version 9, and found the name of the certificate authority: Comodo Certification Authority.

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YMMV but it's less drastic than nuking all your tweaks by eliminating the security preferences, nuking all your Safari data, or even re-installing your whole OS, as suggested by some of the links attempting to address this problem. Just recently had a spate of these, along with failures of certain apps to connect to their servers via the network. For me, it was a screwed up HSTS.

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Removing that file solved that problem for me for multiple domains:. About HSTS: Reviewing and changing the certificate trust settings appropriately in Safari worked well for me. Easily changed.

I had a similar problem and found that the date on my computer was wrong and thereby all security website certificates were expired. I simply adjusted the date backwards and worked flawlessly. Kept saying cannot establish a secure connection because the security tag was outdated on the website Safari can't get secure connection. After going through other blogs, finally solved by deleting keychain log in password.

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Safari can't verify the identity of the website Macbook Apple Fix

This is on an administrator account, not a managed account. On the Advanced page, click the Network tab.

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On the Network page, click Settings For how Firefox connects to the internet. Under Configure Proxies to Access the internet, there a several radio buttons.

In my case, the Manual proxy configuration was checked. I changed this and check: No proxy. This resolved my issue. I could then access any site as normal.

Cannot access secured Web sites after OS X update

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. Can only open https: I can't open non secure sites any direction with hhtp: Only works in https sites. I Tried the following with no results except in safe mode. Anyone that can help me?.

I am little desperate.