How to block ports in Windows

1. Click "Start | Control Panel | System and Security | Windows Firewall."
2. Select "Advanced Settings." Click "Inbound Rules" to block an inbound port; click "Outbound Rules" to block an outbound port.
3. Select "New Rule." Choose "Port" from the options and then click "Next."

1. How do I block ports on Windows 10?
2. How do I disable a port?
3. How do I block ports in Windows Firewall?
4. How do I block a port in Windows without a firewall?
5. How do I check if my firewall is blocking a port?
6. How do I close port 8080?
7. Should I block port 445?
8. Which ports should I block?
9. How do I protect ports on my computer?
10. How do I block incoming traffic on port 445?
11. How do I block port 445 in Windows Firewall?
12. How do I allow a port through my firewall?

How do I block ports on Windows 10?

All replies

1. Control panel > System and Security > Windows Firewall > Advanced settings.
2. Right-click Inbound Rules and click new rule.
3. Choose Port and next.
4. Choose TCP and UDP, type 80,443,8443 in Specific local ports, and next.
5. Choose Block the connection and next.
6. Choose the profile you want to apply and next.

How do I disable a port?

To disable a port:

1. Go to System Settings > Network and click All Interfaces. The interface list opens.
2. Double-click on a port, right-click on a port then select Edit from the pop-up menu, or select a port then click Edit in the toolbar. ...
3. In the Status field, click Disable.
4. Click OK to disable the port.

How do I block ports in Windows Firewall?

How to Block or Open a Port in Windows 10/8/7 Firewall

1. Open Windows Firewall and find the Advanced Settings. ...
2. Open the List of Inbound Rules. ...
3. Set up a New Rule. ...
4. Open the New Inbound Rule Wizard. ...
5. Block the Connection. ...
6. Apply Your New Rule to Each Profile Type. ...
7. Name Your Rule and Configure the Settings.

How do I block a port in Windows without a firewall?

Select Port from the Rule Type listing. Select TCP or UDP, and specify the ports, or a port range (e.g. 445, or 137-139). Select block the connection. Select when the rule applies (leave default if unsure).

How do I check if my firewall is blocking a port?

Checking Windows Firewall for blocked ports

1. Launch Command Prompt.
2. Run netstat -a -n.
3. Check to see if the specific port is listed. If it is, then it means that the server is listening on that port.

How do I close port 8080?

Steps to kill process running on port 8080 in Windows,

1. netstat -ano | findstr < Port Number >
2. taskkill /F /PID < Process Id >

Should I block port 445?

We also recommend blocking port 445 on internal firewalls to segment your network – this will prevent internal spreading of the ransomware. Note that blocking TCP 445 will prevent file and printer sharing – if this is required for business, you may need to leave the port open on some internal firewalls.

Which ports should I block?

For example, the SANS Institute recommends blocking outbound traffic that uses the following ports:

• MS RPC – TCP & UDP port 135.
• NetBIOS/IP – TCP & UDP ports 137-139.
• SMB/IP – TCP port 445.
• Trivial File Transfer Protocol (TFTP) – UDP port 69.
• Syslog – UDP port 514.

How do I protect ports on my computer?

Monitor and filter DNS to avoid exfiltration. And stop using Telnet and close port 23. Security across all network ports should include defense-in-depth. Close any ports you don't use, use host-based firewalls on every host, run a network-based next-generation firewall, and monitor and filter port traffic, says Norby.

How do I block incoming traffic on port 445?

How to Block Port 445 in Windows Firewall?

1. Go Start > Control Panel > Windows Firewall and find Advanced settings on the left side.
2. Click Inbound Rules > New rule. ...
3. Choose Block the connection > Next. ...
4. Check if you have created the rule by Properties > Protocols and Ports > Local Port.

How do I block port 445 in Windows Firewall?

Step 1: Open the Control Panel Step 2: Click on Windows Firewall/ Windows Defender firewall Step 3: Navigate to advanced settings. Step 4:Right click on inbound rules and click on new rule. Step 6:Select port and press next Step 7:Specify the port 445 under specific local ports, select TCP and press next.

How do I allow a port through my firewall?

How to open a port through the firewall

1. On the main page, click Tasks.
2. Click Open firewall port.
3. In the Name field, enter a name for the new firewall rule.
4. In the Port number field, define the responder port for the rule. The responder port is usually mentioned in the product documentation.
5. Click OK.