Windows 11 Open Ports Page

To help me tailor any further network security advice, tell me:

Port 135 is the RPC Endpoint Mapper. It acts as a directory service for DCOM (Distributed Component Object Model) applications. When a client wants to communicate with a remote Windows service (like the Registry or Service Control Manager), they first query port 135 to find the dynamic port assigned to that service.

-o displays the owning Process ID (PID) associated with each connection.

taskkill /PID 1234 /F

Common services use specific ports (e.g., HTTP uses port 80, HTTPS uses 443).

: These are associated with an older networking protocol that's considered vulnerable to various attacks. Exposing these ports publicly can significantly increase your system's risk of unauthorized access.

This article provides a comprehensive guide to checking, opening, and managing ports in Windows 11. What Are Open Ports and Why Should You Care? windows 11 open ports

Click on this, then scroll down to click Advanced settings . Inbound Rules: In the left-hand pane, click Inbound Rules .

Tip: To filter out only the ports that are actively listening for incoming connections, use this refined command: netstat -ano | findstr LISTENING Use code with caution. Method 2: Using PowerShell (Get-NetTCPConnection)

The Ultimate Guide to Checking and Managing Open Ports in Windows 11 To help me tailor any further network security

netsh int ipv4 show dynamicport tcp

: Give your rule a name (e.g., "Minecraft Server") and click Finish . 2. How to Check Which Ports are Currently Open

Closing unnecessary ports reduces your attack surface. There are three primary approaches: -o displays the owning Process ID (PID) associated