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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
When I'm at my home Wifi and other Wifi sources, Safari is working fine - albeit slow in some locations.
At my job, on a secure Wifi network, Safari will not open and says it cannot establish a secure connection. What's going on and can it please be fixed?
Thank you,
Sandy
MacBook Air 13″, macOS 11.5
Talk to your office network administrator.
On your 'secure' network there is some device that is filtering network access
Either the site you're trying to access is blocked outright, or (more likely, given the error message) they're using a proxy server that is intercepting the flows, and preventing the normal SSL handshake from happening (i.e. you're trying to connect to https://some.secure.org/ and the proxy server is intercepting that request, but can't provide credentials for that site (it says "hi, I'm proxy.company.com" instead), and Safari bails since it can't be sure you're talking to who you expect to be.
Either way, it's down to the network admins at work who control this. Not much you can do about it directly.
Talk to your office network administrator.
On your 'secure' network there is some device that is filtering network access
Either the site you're trying to access is blocked outright, or (more likely, given the error message) they're using a proxy server that is intercepting the flows, and preventing the normal SSL handshake from happening (i.e. you're trying to connect to https://some.secure.org/ and the proxy server is intercepting that request, but can't provide credentials for that site (it says "hi, I'm proxy.company.com" instead), and Safari bails since it can't be sure you're talking to who you expect to be.
Either way, it's down to the network admins at work who control this. Not much you can do about it directly.
Thank you for this information. The other piece of the puzzle is that Google Chrome is working fine, Outlook is fine, etc. It's just Safari . . . I can even run my EMR from work on my Mac.
Safari "can't establish a secure connection"
