Giả sử hệ thống cần chặn tất 1 số IPs đặc biệt truy cập máy chủ bằng Windows Firewall
Trường hợp 1: Block đơn 1 IP
1 Mở tường lửa lên -> chọn Windows Firewall with Advanced Security
2 Tạo rules
3 Select Custom in Rule Type
4 Chọn “All Programs”
5 Chọn vào Any on the Protocol and Ports Screen
6 Chọn vào Add -> tại đây thêm các IP cần cấm vào đây
7 Thêm địa chỉ IP hoặc range IP
8 Có thể add thêm
9 Chọn vào “Block the Connection”
10 Chọn phạm vi áp dụng rules này: 3 phạm vi luôn
11 Chúng ta đặt tên Rules cái nhé
Ok nhé
Cách 2 nếu nhiều IPs quá chúng ta sử dụng import bằng file .txt nhé
Chúc các bạn thành công 🙂
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