How Can I Disable Anonymous Access in Windows Server 2003?
Problem
I got lots of "Anonnymous Logon" security events as beow in the Windows Event Viewer.
How can I disable anonymous access in Windows Server 2003?
Event Type: Success Audit
Event Source: Security
Event Category: Logon/Logoff
Event ID: 540
Date: 3/20/2007
Time: 8:33:09 AM
User: NT AUTHORITY\ANONYMOUS LOGON
Computer: NUCONOMY02
Description:
Successful Network Logon:
User Name:
Domain:
Logon ID: (0x0,0xBEFA999)
Logon Type: 3
Logon Process: NtLmSsp
Authentication Package: NTLM
Workstation Name: XXXXXXXX
Logon GUID: -
Caller User Name: -
Caller Domain: -
Caller Logon ID: -
Caller Process ID: -
Transited Services: -
Source Network Address: ###.###.###.###
Source Port: 0
Solution
- Login as "Administrator" and click "Start > Run".
- Type "regedit" in the box and click "Ok" button
- Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
- Change the value of "RestrictAnonymous" from "0" to "1"
- Exit regedit and reboot the server
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