Mac OS Mojave: SOCKS Proxy keeps turning on by itself.

TheoWu
TheoWu used Ask the Experts™
on
On random Mac OS devices running Mojave (any version):

SOCKS proxy is automatically re-enabled after every reboot/power cycle.

By default, no proxy settings should be configured.

The proxy is configured with: localhost port 8080

This causes all email apps to go offline intermittently. Also it causes all web browsers to become "unable to load" any web page.

Once the proxy is manually disabled in Network Preferences; everything works fine.

How do I disable permanently?
Why does the SOCKS proxy auto enable after the device is power cycled?
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You might want to see what the free trial of MalwareBytes finds (it's a common trick used by cybercrooks):
https://www.malwarebytes.com/lp/sem/en/mac/index.html
TheoWuIT Consultant

Author

Commented:
Hi Davis,

We have done so and MalwareBytes did not find anything. Thank you for your input.
And what antivirus software is running on them?
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TheoWuIT Consultant

Author

Commented:
Trend Micro on the older Macbook Pro (mid 2012)

No anti-virus, except for Malwarebytes yet on the brand new iMac. - We are still setting up.

On the iMac - The Proxy was already enabled after setting up the Mac for first time use.
Are you using a different browser other than Safari?
And, are you using an admin login when you disable the proxy?
TheoWuIT Consultant

Author

Commented:
Yes we have tried on Chrome, Firefox, and Safari.

We have tried 2 different admin profiles on each system.

The proxy will stay disabled until the system is rebooted, then it comes back automatically.
I did not get any real hits on Mojave having a proxy problem.  Is there any chance there used to be a proxy and the DHCP server, even if it was a component of the antivirus software, and that is handing it back?  Turn the proxy off, disconnect from the network, reboot, and see if the setting holds.

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