Windows 11 Open Ports ((better)) Guide

Example: To close port 445 (SMB), stop the “Server” service. However, this will disable file sharing.

Reserved for core system services (e.g., HTTP traffic on Port 80, HTTPS on Port 443, and SSH on Port 22). windows 11 open ports

Every device on a network has an IP address, which acts like a mailing address. Ports act like specific apartment numbers within that building. When data arrives at your IP address, the port number tells Windows 11 exactly which software or service should receive that data. Ports are divided into two primary protocols: Example: To close port 445 (SMB), stop the

In this comprehensive guide, we'll explore everything you need to know about open ports in Windows 11—from checking them with simple commands to understanding security risks, closing unnecessary ports, and opening new ones when your apps need them. No prior networking experience required. Every device on a network has an IP

To verify, run netstat -an again. The port will still show LISTENING, but external traffic is dropped.