ECCouncil Exam Questions

What ports should be blocked on the firewall to prevent NetBIOS traffic from not coming through the

What ports should be blocked on the firewall to prevent NetBIOS traffic from not coming through
the firewall if your network is comprised of Windows NT, 2000, and XP?(Choose all that apply.

A.
110

B.
135

C.
139

D.
161

E.
445

F.
1024

Explanation:
NetBIOS traffic can quickly be used to enumerate and attack Windows computers.
Ports 135,139,and 445 should be blocked.