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Internet connection blocked on macOS 12 and M1 Chip


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  • macOS 12.0.1 (21A559) on Macbook Pro M1 Pro chip
  • KIS 

When disabling the network attack blocker, everything works. When enabling, no connectivity at all is allowed, I cannot even ping google.com! 

Re-start, re-installation, nothing worked.

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  • Macos 12.0.1 (21A559) on Macbook Pro M1 Pro chip. |KIS 

disabling the network attack blocker, everything works. enabling, no connectivity at all is allowed, I cannot even ping google.com! Re-start, re-installation, nothing worked.

Hello @ak1008


  1. With Mac OS 12.0.1 / KIS active, has Network Attack Blocker ever worked? 
  2. Are there any installed applications incompatible with Kaspersky Internet Security for Mac
  • Contact Kaspersky Technical Support, on the Support page, select Chat or Email, fill in Application malfunction, Other template; the Support agent may request logs, traces & other data; they will advise you. 
  • ​❗ If you select Chat, we recommend you receive a copy of the chat transcript, make sure you fill in your email address AFTER the chat is activated by the Chat agent & complete the Verify your email address email AFTER the chat completes❗ ​

If you have any questions or need any additional assistance, please do not hesitate to ask? 

When it’s available, please share the outcome with the Kaspersky Community? 

Thank you🙏


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  • 3 months later...
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Ways to resolve the issue-

Restart your Mac
Restarting might help because your Mac then automatically renews the internet address it was assigned when joining the Wi-Fi network. Or you can renew the IP address manually. This is known as renewing the DHCP lease. If the lease expired and the address is already in use by another device, your Mac is assigned a new address.

Update your Mac
Update the software on your Mac, and make sure that the date and time are set correctly.

Check VPN or other security software
If you installed VPN or other software that monitors or interacts with your network connections, that software could be affecting access to the internet. Learn about network issues related to VPN and other software. 

Use the built-in diagnostic tools
Wi-Fi Recommendations. Click Wi-Fi  in Control Center or the menu bar and check for a menu item named Wi-Fi Recommendations. If you see it, your Mac has detected an issue and has recommendations. Choose Wi-Fi Recommendations to learn more.*

Wireless Diagnostics. Press and hold the Option key on your keyboard while clicking Wi-Fi  in Control Center or the menu bar, then choose Open Wireless Diagnostics from the menu. Learn more about using Wireless Diagnostics to analyze your wireless environment.

Update the Wi-Fi router
If you manage the network's Wi-Fi router, install the latest firmware updates for the router, as recommended by its manufacturer. It might also help to simply restart the router and use Apple's recommended settings for Wi-Fi routers and access points.


This may help you,

Rachel Gomez

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