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Steps for Window 10 system to set Port and prevent WannaCrypt attacks

Turn on your Windows Firewall

Step 1. Open your Control Panel, you may type "control" at start menu:

start-win10.png

2. Click the "System and Security" first and then click"Windows Firewall" to reach the Firewall window.

control-win10.png

winfirewall-win10.png

3. Turn on the Windows Firewall by following ticks and click "OK" to save settings.

turn-win10.png

turnon-win10.png

Set the Rules for Port

4. Click the "Advanced Settings" to set the Inbound Rules.

advanced.png

5. Click the "Inbound Rules" and then click the "New Rule" at the right side.

inboundrule-win10.png

6. Click the "Port" to set the rules of "TCP 445".

port-win10.png

7. Choose the "TCP" and set the Specific local ports as: "445".

tcp-win10.png

8. Choose "Block the connection" at below.

block-win10.png

9. Make sure all these three items has been applied, and click next: 

3rules-win10.png

10. Type "445 tcp" at Name, and click "Finish" to complete the setting.

name445tcp-win10.png

11. When your screen showed as below, then "445tcp" rule has been added successfully.

445tcpadded-win10.png

12. Keep setting the rules of "445 udp".

Same operations on adding new rules:

inboundrule-win10.png

port-win10.png

13. Then click "UDP" and set the Specific local ports as: "445".

udp-win10.png

14. Choose "Block the connection" as below.

block-win10.png

15. Make sure all these three items has been applied, and click next: 

3rules-win10.png

16. Type "445 udp" at Name, and click "Finish" to complete the setting.

name445udp-win10.png

17. The finish window:

finish-win10.png


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