Anonymous enumeration of shares will be restricted.

From Windows 7 Security Technical Implementation Guide

Part of Anonymous shares are not restricted

Associated with IA controls: ECSC-1, PRNK-1

SV-25090r1_rule Anonymous enumeration of shares will be restricted.

Vulnerability discussion

This is a Category 1 finding because it allows anonymous logon users (null session connections) to list all account names and enumerate all shared resources, thus, providing a map of potential points to attack the system.By default, Windows allows anonymous users to list account names and enumerate share names.

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Fix text

Configure the policy values for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Network access: Do not allow anonymous enumeration of SAM accounts and shares” to “Enabled".

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