EC0-349 Exam Dumps | After attending a CEH security seminar, you make a list of changes you would like to perform on your

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Question 20/294

After attending a CEH security seminar, you make a list of changes you would like to perform on your network to increase its security. One of the first things you change is to switch the RestrictAnonymous setting from 0 to 1 on your servers. This, as you were told, would prevent anonymous users from establishing a null session on the server. Using Userinfo tool mentioned at the seminar, you succeed in establishing a null session with one of the servers. Why is that?

A. There is no way to always prevent an anonymous null session from establishing

B. RestrictAnonymous must be set to "10" for complete security

C. RestrictAnonymous must be set to "2" for complete security

D. RestrictAnonymous must be set to "3" for complete security

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meh - Mar 10, 2021

We can only set RestrictAnonymous=2 in Windows 2000 server environment.
From Restrict access for NULL sessions , we can see:
This can be restricted by changing this DWORD in the registry:
[HKEY_LOCAL_MACHINE \SYSTEM \CurrentControlSet \Control \LSA]
RestrictAnonymous = 2 (Default = 0)

0 = None. Rely on default permissions
1 = Do not allow enumeration of SAM accounts and names (Will stop NULL session exploits)
2 = No access without explicit anonymous permissions (Win2k only)

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