safari connection issue

Are you running any anti - virus programs? Using a VPN?

Try setting up another admin user account in System Preferences/Users & Groups to see if the same problem continues. Please post back on whether or not this worked. Also try the Safe Mode. Please post back on whether or not this worked.

Isolating an issue by using another user account 

Safe Mode - About

If it works in the Safe Mode, try running this program when booted normally and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown. If the log won’t post, try posting it in Pastebin and provide a link in a reply. After pasting the report in a PasteBin page, go to the top of the page, and copy the address in the URL bar. Paste that in a new reply.        Pastebin

Etrecheck – System Information

Web site version if required.  https://etrecheck.com

rak200 Said:

”[...]I can return to the site without receiving the connection not private message again. However many sites just immediately return message that can not connect to server.”

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First, Scan your Mac for Malware: 

Use MalwareBytes for Mac --- This is software that searches for malware/adware. So, scan with it and then remove what is found. Once removed, uninstall MalwareBytes for Mac. Then restart the Mac.

Downloads:

1. Malwarebytes Anti-Malware for Mac
2. Malwarebytes uninstaller

Then...

Reset your SMC and Your NVRAM.

• How to reset the System Management Controller (SMC) on your Mac - Apple Support
• Reset NVRAM or PRAM on your Mac - Apple Support

Changes occur, and sometimes, as a result, your Mac needs to reset itself. as a way to get back to its default operations. So, reset the above.

rak200 Said:

"safari connection issue: I upgraded to Catalina and now Safari doesn't work. I receive a message that safari is unable to connect to the server for most sites. It worked fine until I upgraded. Has anyone experienced this problem and have any solutions been found?"

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Try This: Clear Your Temporary Internet Files (History and Cache)

You are welcome. Try the Safe Mode as a test. Then run/post the Etrecheck report. If the log won’t post, try posting it in Pastebin and provide a link in a reply. After pasting the report in a PasteBin page, go to the top of the page, and copy the address in the URL bar. Paste that in a new reply.        Pastebin

Try going System Preferences/Users & Groups and remove all your user login applications. Restart the computer normally, do not open any applications except Safari, and test.