The Importance of Web Application Scanning

by Daniel Petri

The Importance of Web Application Scanning White paper – November ‘05 Organizations need a Web application scanning solution that can scan for security loopholes in Web-based applications to prevent would-be hackers from gaining unauthorized access to corporate applications and data. Web applications are proving to be the weakest link in overall corporate security, even though… Read More

What is Windows Auditing?

with 2 Comments by Daniel Petri

Security is an ever increasing concern in almost every area of society today and computers are no exception. A detailed computer security plan should not only include policies and procedures to ensure that proper access rights are configured for all users, it must also include methods for verifying that these rights are effectively deployed throughout… Read More

GFI LANguard Network Security Scanner – more info

by Daniel Petri

GFI LANguard Network Security Scanner - more info Identify & remotely install missing patches on your network with GFI LANguard Network Security Scanner. Free version available for download! Automatically detect security vulnerabilities on your network GFI LANguard Network Security Scanner (N.S.S.) checks your network for all potential methods that a hacker might use to attack… Read More

Install Windows Server 2003 CA

with 6 Comments by Daniel Petri

How can I install the Certificate Authority (CA) service in Windows Server 2003? Windows Server 2003 can be used as a Certificate Authority (also known as CA) to provide extended security by offering support for Digital Certificates. Digital Certificates can be granted to users based upon their roles and group membership. For example, a regular… Read More

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    What’s System File Checker?

    by Daniel Petri

    What is the System File Checker (SFC) command on a Windows 2000/XP/2003 computer? The System File Checker tool gives an administrator the ability to scan all of the protected files to verify their versions. The System File Checker tool also checks and repopulates the %SystemRoot%\System32\Dllcache folder. If the Dllcache folder becomes damaged or unusable, you… Read More

    ISA 2004 Training Labs

    by Daniel Petri

    ISA Server 2004 Training Labs A review of Train Signal’s ISA Server 2004 Training. See more details at Train Signal's website. I was reasonably familiar with Microsoft Proxy 2.0 and I had installed ISA 2000 once about 3 years ago, although due to it’s location it was only used as a Caching Server. So, what could be… Read More

    Download ISA Server SP1

    by Daniel Petri

    Where can I download ISA Server 2000 Service Pack 1? Internet Security and Acceleration (ISA) Server 2000 fixes are distributed in service packs. Installing the latest service pack keeps your installation of ISA Server 2000 current. Service packs include updates and fixes that are conveniently bundled for easy downloading. Service packs are cumulative; each new… Read More

    More about Public Key Infrastructure (PKI)

    by Daniel Petri

    This article is a non-direct continuation of the "What is a Public Key Infrastructure (PKI)?" found on the Petri IT Knowledgebase. Public-Key Cryptography and One-Way Functions As written in previous articles, Public-Key cryptography (as opposed to symmetric key cryptography) relies on one-way functions, which are functions that are easy to calculate but hard to invert… Read More

    What’s Windows File Protection?

    with 3 Comments by Daniel Petri

    What is the Windows File Protection (WFP) in Windows 2000/XP/2003? A major cause of incompatibility and crashes in W2K/XP is the fact that an application might overwrite dynamic link library (DLL) files with a similar name belonging to other applications. Often, these are DLL files that get placed in the %systemroot%\System32 folder during an application's… Read More

    New EFS Features in Windows XP

    by Daniel Petri

    What are the new EFS features in Windows XP? Microsoft Windows 2000 introduced the capability for data recovery with the implementation of Encrypting File System (EFS), and this capability has been enhanced in Windows XP. Microsoft Windows XP provides many enhancements in the area of data protection - especially Encrypting File System (EFS). Windows XP… Read More