Creating Inbound Filters

By default, Windows Firewall (as well as most other firewalls) blocks any inbound traffic that hasn’t been specifically allowed. By default, the Public profile allows absolutely no incoming connections—this provides excellent security when connecting to public hotspots or other non trusted networks. The Domain and Private profiles allow some incoming connections, such as connections for…

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Windows Firewall

Windows Firewall filters incoming traffic to help block unwanted network traffic. Optionally, Windows Firewall can also filter outgoing traffic to help limit the risk of malware. Although Windows Firewall’s default settings will work well with components built into Windows, they might prevent other applications from functioning correctly. Windows Firewall’s default settings can also be significantly…

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Introduction to SUS

In order to maintain a secure network, it is critical to keep systems up to date with security patches. Since 1998, Microsoft has provided Windows Update as a Web-based source of information and downloads. With Windows XP and Windows 2000 Service Pack 3, Microsoft added Automatic Updates, whereby a system automatically connects to Windows Update…

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Connect To Wireless Network in Windows XP or Vista

Users can manually connect to a wireless network, or you can use Group Policy settings to configure client computers to automatically connect to your wireless networks. Use the buttons below to navigate through the lesson Manual Connections To create a manual connection, Select Start>Connect To, Select the Network and Click Connect. Connecting to the desired…

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RADIUS Server

You can use a Windows Server 2008 computer to authenticate wireless users by configuring the Windows Server 2008 computer as a RADIUS server and configuring your wireless access points to send authentication requests to the RADIUS server. Use the buttons below to navigate through the lesson Select Network Policy Server. Click Next. Select Install. To…

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Authentication Protocols

A first step in establishing a remote access connection is authenticating the user to the server. An authentication protocol is used here. Windows Server 2008 ships with five different authentication protocols all with varying compatibility and security levels. Use the buttons below to navigate through the lesson Password Authentication Protocol (PAP) is the most basic…

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Remote Access Overview

Many people work away from their offices, so Windows Server 2008 provides the Routing and Remote Access Service, which lets users connect to their office machines.  The Routing and Remote Access Service (RRAS) allows a client to connect to the network from a remote location either using a standard dial-up connection or via the internet. …

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Wireless Networks

Wireless Networking Concepts Wireless networks have changed the way people use their computers. Organizations can instantly network an entire building—including meeting rooms, common areas, and courtyards. This can increase productivity and provide more flexible work spaces. For some buildings, including historical landmarks, this might be the only legal way to network a facility. Business travellers…

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Network Address Translation

Before a Windows Server 2008 computer can function as a router, the Routing and Remote Access service must be enabled. This is done through the Server Manager console. Use the buttons below to navigate through the lesson Select Roles, then Add Roles. Click Next to continue. Select Network Policy and Access Services then Click Next…

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IPSec and Remote Access

Security is a major concern when using Remote Access since company data has be transferred over the internet. Using the tunnelling protocol L2TP (Layer 2 tunnelling protocol) a tunnel can be created through another network. Any data inside the tunnel can be protected using IPSec. A disadvantage of using L2TP is that only Windows 2000/XP…

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