Software >> OS >> Windows >> 2000 >>  How to disable enumeration of share thru null session

Note: Null session is a NETBIOS connection using zero length string for username, domain, and password Both of following must be done (1) set registry - run registry editor - Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\LSA. - From the Edit menu, select Add Value to display the Add Value dialog box. - In the Value Name field, type RestrictAnonymous. - Select REG_DWORD as the Data Type. - Click OK to display the DWORD Editor. - In the Data field, type 2. (Ignore the Radix setting.) - Click OK. Registry Editor adds the key to the registry. - Reboot the system to apply the changes. (2) update local security policy - open the Local Security Policy console - Security Settings -> Local Policies -> Security Options - look for "Additional restrictions for anonymous connections" - Under Local policy setting, select "No access without explicit anonymous permissions"