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Articles
Articles / Firewalls & VPNs
- Death of VPN
- Date - Aug 05, 2009
- Secure Remote Computing with DirectAccess.
- Considering remote access for IT professionals
- Date - Jul 15, 2009
- Taking a look on some different types of remote access solutions that you can use for internal and external support.
- Overview of the Windows Server 2008 Firewall with Advanced Security Part 3b: Introduction to Domain Isolation
- Date - Jul 23, 2008
- Creating the client and server domain isolation rule that will require security (authentication) and also configuring the server to accept inbound ping connections so that we can test the rule.
- Overview of the Windows Server 2008 Firewall with Advanced Security Part 3a: Introduction to Domain Isolation
- Date - Jul 08, 2008
- How to use Group Policy to enforce domain isolation through the use of IPsec.
- The Difference Between Application and Session Layer Firewalls
- Date - Jun 25, 2008
- A review of the differences between Application and Session layer firewalls.
- Overview of the Windows Server 2008 Firewall with Advanced Security Part 2: Inbound and Outbound Firewall Rules
- Date - Jun 10, 2008
- The inbound and outbound firewall rules that you can create to control incoming and outgoing connections to and from the Windows Server 2008 computer.
- Overview of the Windows Server 2008 Firewall with Advanced Security Part 1: Setting the Firewall and IPsec Connection Security Defaults
- Date - May 28, 2008
- The general settings to configure the Windows Firewall with Advanced Security.
- The Windows Server 2008 Connection Manager Administration Kit
- Date - May 13, 2008
- Taking a look at the Windows Server 2008 CMAK and how you can use it to create secure connectoids for PPTP, L2TP and SSTP remote access VPN client connections.
- Secure Socket Tunneling Protocol
- Date - Apr 17, 2007
- SSTP (Secure Socket Tunneling Protocol) and the VPN capabilities it will offer in future.
- Configure a VPN Connection Using Windows XP
- Date - Mar 18, 2005
- In this article we will learn how to configure a connection to a virtual private network (VPN) using Windows XP. This article will show you how to create a new VPN connection using Microsoft Windows XP. By creating an encryption tunnel through the Internet, data can be passed safely.
- Customizing Windows Firewall
- Date - Oct 13, 2004
- This article looks at the different ways you can customize Windows Firewall when deploying Service Pack 2 for Windows XP. The methods covered include manually configuring Windows Firewall, customizing the Unattend.txt answer file used by unattended setup, customizing the Netfw.inf file that defines the default configuration of Windows Firewall, configuring Windows Firewall using the new firewall context of the netsh command in XP SP2, and configuring Windows Firewall using new Group Policy settings in Windows XP SP2.
- Personal Firewalls for Remote Access Users
- Date - Aug 12, 2004
- Administrators of enterprise level networks often don’t pay much attention to the personal firewall market. After all, you need something much more sophisticated to protect your corporate network. But what about the telecommuters and on-the-road executives who connect to your company’s network from remote locations? This article looks at how and why you should develop a policy requiring that remote access users have personal firewalls installed – and enabled! – and how to enforce that policy, as well as an overview of some of the personal firewall products available that will do the job at low or no cost.
- Comparing VPN Options
- Date - Jun 10, 2004
- Virtual private networking has become necessity for business users who need to remotely access their files. Of course, they could dial in directly to a remote access server, but that solution has a couple of significant drawbacks. The solution, of course, is a VPN connection. This article will discuss the different VPN options available.
- Comparing Firewall Features
- Date - Feb 23, 2004
- In this article, we’ll take a look at some of the factors you should consider when buying a firewall, features available on some of the most popular offerings, and how to compare the real cost of each (hint: the initial purchase price is only a starting point).
- Application Layer Filtering (ALF): What is it and How does it Fit into your Security Plan?
- Date - Jan 15, 2004
- ALF, not a nickname for Alfred but an acronym for Application Layer Filtering, is one of the hottest new buzzwords in a jargon-laden security subfield: firewall technology. Firewall vendors are rushing to implement ALF into their firewall products, and/or beefing up their ALF implementations to compete with those of other vendors. But exactly what is ALF and is it a “must have” feature to look for when you buy a firewall, or just another bit of marketing hype?
- A firewall in an IT system
- Date - Aug 30, 2002
- The term “firewall” evokes the image of a solid wall in a building, which prevents a fire spreading from one part of the building to another. Sometimes it is understood as a “wall of fire” blocking the entrance.
- Windows 2000 Service Pack 3: Basics and Installation
- Date - Aug 26, 2002
- SP3 includes a component called Set Program Access and Defaults, which lets end-users to control Microsoft's software like Internet Browsers and Email Clients. This article chronicles the fundamentals you need to know to install it, where to get it from and the changes it makes.
- Virtual Private Networking
- Date - Aug 14, 2002
- The majority of typical VPN-related documents define VPN, as the extension of a private network. However this type of definition means nothing and only characterises the VPN concept as a determining factor of a private network, which is still somewhat unclear. VPN is an abbreviation for Virtual Private Network.
- Microsoft ISA Server, Part II – Firewall Functions, Publishing Policy Rules
- Date - Jul 29, 2002
- The IT security strategy which is incorporated within ISA Server seems to address the need for secure internal networking, both for small businesses that use a few computers and are connected to the Internet via modem, as well as for large highly-networked corporations using internet connectivity as a routine procedure.
- Microsoft ISA Server, Part I – introduction, installation, configuration, Web caching and Internet access
- Date - Jul 18, 2002
- Microsoft is trying to present itself as not only the worldwide leading manufacturer of operating systems but also as a top provider of comprehensive IT solutions for business. With its Microsoft Internet Security & Acceleration Server, the Redmond software giant is approaching this goal. This is Part I of a series of articles on ISA Server: its origin, complexity, benefits and shortcomings.
- VPN Client Security Issues
- Date - Jul 17, 2002
- You've implemented a ISA/VPN Server to allow secure remote connections to your internal network. While you might have configured your VPN Server in a secure manner, what about your VPN clients? In this article I'll talk about important issues regarding VPN client configuration and how it impacts network security.
- Configuring Gateway to Gateway L2TP/IPSec VPNs Part 2: Configuring the Infrastructure
- Date - Jul 17, 2002
- In part 1 of this series on how to configure an L2TP/IPSec gateway to gateway VPN solution, we examined how to configure the certificate infrastructure and assign machine certificates on the local network. This week, we’ll complete our gateway to gateway VPN configuration.
- Configuring Gateway to Gateway L2TP/IPSec VPNs Part 1: Configuring the Infrastructure
- Date - Jul 17, 2002
- Configuring a gateway to gateway VPN is easy using ISA Server. The reason why it’s so easy is that the Local and Remote VPN Wizards make the setup a virtual no-brainer. Well, it’s a no-brainer when you’re configuring PPTP VPN gateways. But if you’re in the market for a high security L2TP/IPSec gateway to gateway VPN, you probably have either been trying to avoid it like the plague or you are pulling your hair out trying to figure out how to make it work!
- Securing the ISA Server Configuration - ISA Server Security Checklist (Part 2)
- Date - Jul 17, 2002
- In part one of our ISA Server Security checklist series, we talked about how to secure the operating system and network interfaces on the ISA Server. In part 2 we'll focus on ISA Server specific configuration issues that you can use to optimize security.
- Configuring VPN Access in a Back to Back ISA Server Environment
- Date - Jul 16, 2002
- VPNs have been a topic of growing interest for the last couple years. However, since the tragic events in New York City in September of 2001, the subject has become red-hot. Why? Business and network managers now have a greater awareness that the weakest link in any design, whether it be a network or a business, is too high a level of centralization. Distributed systems are highly fault tolerant and difficult to bring down, while centralized systems can be brought to their knees with a single blow.
- Configuring ISA Server For Inbound VPN Calls
- Date - Jul 16, 2002
- You've implemented a ISA/VPN Server to allow secure remote connections to your internal network. While you might have configured your VPN Server in a secure manner, what about your VPN clients? In this article I'll talk about important issues regarding VPN client configuration and how it impacts network security.
Articles topic
- [120] Authentication, Access Control & Encryption
- Updated: Nov 04, 2009
- [9] Content Security (Email & FTP)
- Updated: Apr 16, 2008
- [26] Firewalls & VPNs
- Updated: Aug 05, 2009
- [23] Intrusion Detection
- Updated: Apr 19, 2007
- [119] Misc Network Security
- Updated: Aug 19, 2009
- [6] Product Reviews
- Updated: Mar 08, 2007
- [26] Viruses, trojans and other malware
- Updated: Oct 10, 2007
- [9] Web Application Security
- Updated: Oct 22, 2008
- [17] Web Server Security
- Updated: Sep 06, 2006
- [33] Windows 2003 Security
- Updated: May 23, 2007
- [7] Windows Networking
- Updated: Jan 26, 2006
- [101] Windows OS Security
- Updated: Oct 21, 2009
- [13] Wireless Security
- Updated: Dec 28, 2006
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