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Establishing Highly Secure Systems Paula Sharick shared five techniques for modifying the registry to harden your systems against TCP exploits, including protecting against SYN DoS exploits, guarding against dead-gateway exploits, and more.		• Subscribe • Renew • Master CD • Change Mailing Address • Customer Service • Back Issues • Article Reprints • Group Discounts
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Access Denied: Ensuring That GPOs Are Applied When You Move a Computer to a New OU

Learn why an OU's GPOs might not be in effect immediately on a computer that you move to that OU.
By Randy Franklin Smith 

Access Denied: Identifying Unauthorized Logon Attempts

Discover the identity of someone trying to use a local account to access your network.
By Randy Franklin Smith 

Access Denied: Protecting Your Internal Network Against Attacks from Untrusted Networks

Know the options for protecting your internal network against attacks from untrusted networks.
By Randy Franklin Smith 

Access Denied: Reducing the Risk of Viruses from HTML Email

Reduce the risk of receiving viruses that spread through HTML-formatted email messages.
By Randy Franklin Smith 

Access Denied: Tracking Users Who Use Telnet to Connect to Your Computers

Learn how to track users who use Telnet to connect to your computers.
By Randy Franklin Smith 

5 Techniques for Establishing Highly Secure Systems

Paula Sharick describes 5 TCP registry modifications you can implement to protect your systems from Denial of Service (DoS) attacks and other common exploits.
By Paula Sharick 

Deploy Your Network IDS Effectively

Where you place your network Intrusion Detection System (IDS) sensors and how you manage the information they provide are crucial factors in how well the IDS protects your network.
By Jason Harper 

Improve Security with Windows XP's Command-Line Tools

Windows XP provides new command-line tools, as well as new versions of some old favorites, to help you secure your systems.
By John Howie 

NT Gatekeeper: Audit for Failed Logon Attempts

To monitor failed logon attempts, you must enable auditing for “logon and logoff” events in a domain’s audit policy and in the local audit policy of every workstation or member server.
By Jan De Clercq 

NT Gatekeeper: Conflicting Password-Change Options

Here’s why you shouldn’t combine the User Must Change Password at Next Logon user account option and the User must log on in order to change password account policy option.
By Jan De Clercq 

NT Gatekeeper: Restricting Printer-Driver Installation

Set a registry subkey value to restrict the ability to install printer drivers.
By Jan De Clercq 

NT Gatekeeper: SAM Database Location

Here’s where to find the SAM database in the registry and in the file system.
By Jan De Clercq 

NT Gatekeeper: Usrmgr.exe vs. Musrmgr.exe

Musrmgr.exe is a tool for managing NT 4.0 workstation or member server accounts; usrmgr.exe is a fuller featured version for managing NT 4.0 domain accounts.
By Jan De Clercq