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When I try to sign into Apple Support Communities using Safari I get a Safari Can't Open Page error.
When I use Firefox I can sign in with no difficulty.
This is a new problem. Safari fine for years until today.
iMac 21.5″, macOS 10.13
See if anything here helps.
How I solved the Safari 13 and High Sierra problem with idmsa.apple.com unsecure connection (all Apple logins)
https://discussions.apple.com/thread/251211674
See if anything here helps.
How I solved the Safari 13 and High Sierra problem with idmsa.apple.com unsecure connection (all Apple logins)
https://discussions.apple.com/thread/251211674
Thank you Eric Root!
I downloaded the Certificate (Apple IST CA 2 - G1 Certificate) from the thread you gave me and it worked!!
You've helped me quite a few times over the years!
Many Thanks!
To be more accurate, the Support Communities website seems to be the only problem. Every other website I've tried works fine with Safari.
Additionally, I can sign in with Safari on my iPhone. So the problem seems limited to Safari on my iMac.
You are welcome. Glad to help.
Safari can't open the page
