Audit Settings
By and large, the default audit settings on Windows Server 2003 are fine. However, on Windows 2000, they could use a little adjusting. Well, actually, they are basically turned off on Windows 2000 by default.
We recommend that you tweak the audit policies as follows:
- Account logon events Success and failure
- Account management Success and failure
- Logon events Success and failure
- Object access Success and failure
- Policy change Success
- Privilege use Success and failure
- System events Success
You should also adjust the log sizes; however, do not just increase sizes blindly. There are some practical limits on event log sizes. Event logs are loaded in services.exe, along with several other things. They are also memory-mapped files, and each process can only have 1 GB of those. That means that the log files have to share the 1 GB of available memory in the services.exe process with everything else in there. In addition, event logs cannot be fragmented in memory, so the system has to find sufficient contiguous memory. It is pretty likely that these issues will constrain you to about 300 MB as a practical limit on total event log size (not 300 MB each). Take that into account when setting log sizes. Of course, you must also analyze the logs, but that is a different topic.
In this tutorial:
- Protecting Hosts
- Security Configuration Myths
- Myth 1: Security Guides Make Your System Secure
- Myth 2: If We Hide It, they Not Find It
- Myth 3: The More Tweaks, the Better
- Myth 4: Tweaks Are Necessary
- Myth 5: All Environments Should At Least Use <Insert Favorite Guide Here>
- Myth 6: "High Security" Is an End Goal for All Environments
- Myth 7: Start Securing Your Environment by Applying a Security Guide
- Myth 8: Security Tweaks Can Fix Physical Security Problems
- Myth 9: Security Tweaks Will Stop Worms/Viruses
- Myth 10: An Expert Recommended This Tweak as Defense in Depth
- Server Security Tweaks
- Software Restriction Policies
- Do Not Store LAN Manager Hash Value
- Anonymous Restrictions
- Security Identifiers (SIDs)
- Password Policies
- SMB Message Signing
- Networking LAN Manager Authentication Level
- TCP Hardening
- Restricted Groups
- Audit Settings
- Client Security Tweaks
- Firewalls
- IPsec Filters
- SafeDllSearchMode
- Local Administrator Account Control
- Limit Local Account Use of Blank Passwords to Console Logon Only
- Logon Events
- Allowed to Format and Eject Removable Media
- The Caution ListChanges You Should Not Make
- Crash on Audit Failure
- Clear Virtual Memory Page File
- Security Configuration Tools