If you're new to the default firewall on Windows 11, here are all the basics you need to know. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Windows Defender Firewall is one of the many security features available on Windows 11. Its job is to protect your computer from outside threats. While the firewall does a reasonable job managing ...

The article has been updated with new info from Microsoft indicating that it has issued a fix for the Windows Firewall error a new preview cumulative update. Last ...

Windows 11 will no longer add SMB1 Windows Defender Firewall rules when creating new SMB shares starting with today's Canary Channel Insider Preview Build 25992 build. Before this change and since ...

Microsoft has resolved a known issue that triggers invalid Windows Firewall errors after rebooting Windows 11 24H2 systems with the June 2025 preview update installed. The bug has been fixed in the ...

Windows 11 users are experiencing issues with a Firewall configuration error when using Windows Firewall with Advanced Security, following the June 26 KB5060829 ...

At the end of June, Microsoft released Windows 11 setup and recovery updates (KB5062233/ KB5060843/ KB5062197/ KB5061090) following the month's non-security previews for 24H2 (KB5060829) and 23H2/22H2 ...