Safari Extensions, Internet plug-ins, and other add-ons are designed to enhance or customize the browsing experience. Add-ons are widely available on the Internet, and some are installed as part of an app or other software. If you have add-ons installed, an add-on could be causing the issue.
If the issue is unwanted pop-up windows, ads, and graphics while surfing the web, learn how to remove ad-injection software (adware) from your Mac.
Apr 21, 2012 I am a new Little Snitch user. I just got finished perusing the default rules. I noticed that the default Safari rules are wide open, allowing all outgoing http/https connections. I'm thinking I should delete/disable the default Safari rules and let Little Snitch prompt me for all outgoing. According to Little Snitch Research Assistent it is used for Suggestions in Spotlight, Messages, Lookup and Safari and usually connects to api.smoot.apple.com. Little Snitch 3. Little Snitch 4 (CalendarAgent used for an example). In Safari, go to the Little Snitch download page. Click Download. When the download completes, open the Little Snitch installer. Select the uninstall option. Restart your Mac if prompted.
Example: In order to block internet access for Safari, I tell my Kernel Extension to block all TCP Sockets if the process' selfname is 'Safari'. It works well for the 'Safari' process, but the problem is that Safari gets internet access via XPC Service ('Safari Networking', resp.
Turn off Safari Extensions
You can turn off Safari Extensions to learn whether any are causing the issue.
If turning off an extension resolves the issue, check for extension updates by clicking Updates in the lower-left corner of the window. Or remove the extension by clicking the Uninstall button.
Remove Internet plug-ins and other add-ons
You can remove Internet plug-ins and other add-ons to learn whether any are causing the issue. To find them, quit Safari and open these Library folders:
The Library folders contain the following folders for add-ons. Move any files within these folders to the Trash.
If removing the files from these folders resolves the issue, quit Safari again and gradually put back files until you find the one causing the issue:
Learn more
This is a tiny investigation of suspisious Mac OS Sierra connections reported by Little Snitch (commonly abbreviated as
LS in current context), each section consists of quotes from the discussions in corresponding links. My own comments are marked with italic.
This document covers only recent network activity, for the detailed Mac OS security guide refer https://github.com/drduh/macOS-Security-and-Privacy-Guide
This gist with shell script for just disabling everything is related, though I'd recommend to be very careful with it: https://gist.github.com/pwnsdx/d87b034c4c0210b988040ad2f85a68d3
Few things to know:
To get the list of agents you can run:
ls /System/Library/LaunchAgents/
Utility to operate them is called
launchctl . To get info about certain service: launchctl list com.apple.whatever
Latest Mac OS versions include the System Integrity Protection (SIP) feature, that is controlled by
csrutil util.
By default it restricts unloading system agents, so most
launchctl unload commands in old (pre-Maverics) privacy guides will just fail with the following error: Operation not permitted while System Integrity Protection is engaged
Stopping certain deamon in current session is not restricted though:
sudo launchctl stop com.apple.whatever
You can disable SIP on your own risk, details here: https://developer.apple.com/library/content/documentation/Security/Conceptual/System_Integrity_Protection_Guide/ConfiguringSystemIntegrityProtection/ConfiguringSystemIntegrityProtection.html
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