禁用NetBIOS。打开本地连接的“属性→Internet协议IP）→属性→高级→WINS→禁用IP上的NetBIOS”（如图3）。这样一来就关闭了137、138以及139端口，从而预防IPC$入侵。
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设置完必后，使用命令查看＂c:>netstat -an | find "137" ＂
＂c:>netstat -an | find "138" ＂
＂c:>netstat -an | find "139" ＂
