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How to Change Microsoft SpyNet Settings in Windows 7

Microsoft SpyNet is an online community that helps Microsoft develop new spyware detection methods and improve Windows Defender’s effectiveness. You can change Microsoft SpyNet settings at any time. The [more…]

Configuring Tools and Settings in Windows Defender

You can configure many advanced options in Windows Defender, such as automatic scanning, default actions, real-time protection settings, excluded files and folders, excluded file types, and more. These [more…]

How to Manually Check for Windows 7 Updates

You can manually check for Windows 7 updates (to fix software bugs and security flaws) at any time. Although automatically checking for updates is the recommended setting, if you change Windows 7 Update [more…]

How to Change Windows Update Settings

You can change how Windows Update installs updates to your computer. Windows Update is Microsoft’s online portal for providing software fixes and security patches to the public. There are several options [more…]

How to Remove Installed Windows Updates

Occasionally, an update (software fix or security patch) installed by Windows Update causes problems on your computer. For example, an update may cause a program to not run correctly or to run much slower [more…]

How to Hide Windows Updates That You Don’t Want to Install

If you remove an installed update (or decide not to install a particular update), Windows Update will constantly warn you that there are updates available. The solution to this problem is to hide the update [more…]

How to Restore Windows Updates That Were Previously Hidden

After you have hidden an update from within Windows Update, you may later decide to restore the hidden update and install it on your computer, particularly if the update is a security update or is listed [more…]

Protecting Confidentiality and Encrypting Data on a Home Network

Protecting the confidentiality of the data stored on your home network — including using encryption to convert data into an unintelligible format — is an important defense when you’re running a home business [more…]

Creating and Backing Up an EFS Security Certificate in Windows 7

Once you’ve used Windows 7 to set up Encrypting File System (EFS) on your computer, you need to create a security certificate and key (password), and then associate it with your encrypted files. You will [more…]

Protecting Your Home Network from Malware

Protecting your computers and home network from malware begins before you even connect to the Internet. Malware, short for malicious software, is software or code that is designed to damage files or entire [more…]

Types of Threats to E-mail Security on a Home Network

Malware, short for malicious software, is frequently spread via e-mail on home networks. This type of security threat to home networks — and computers in general — may even appear to come from someone [more…]

What are Windows Firewall and Windows Defender?

Windows Firewall and Windows Defender are programs included with Windows 7 that help protect your home network and keep your data secure from Internet threats. Today's Internet threats are prolific, and [more…]

How to View the Windows Firewall Dashboard

You can view the Windows Firewall dashboard in the Control Panel to see the status of this software and whether your system is currently protected. Remember that Windows Firewall helps to prevent malware [more…]

Port Numbers Used by Lion Server Services

Each Lion Server service has a standard port associated with it. For example, the default port for IMAP e-mail is TCP port 143. When used with SSL encryption, the default IMAP port is TCP 993. Some services [more…]

How to Configure Apple Wireless Router’s Firewall from Lion’s Server App

Lion Server has some special features for Apple’s wireless Internet routers, Apple’s AirPort Extreme Base Station and Time Capsule. In the Server app, you can configure the router’s firewall and add extra [more…]

How to Enable the Firewall in Lion Server

You use Server Admin to configure a firewall on Lion Server. Using Server Admin to configure a firewall is actually easy. You can click to select services to allow through the firewall, as well as add [more…]

How to Allow Services through Lion Server’s Firewall

Server Admin lets you set which services you want to allow through the Lion Server firewall by selecting them from a list. The list of services is much larger in Server Admin. If your service isn’t in [more…]

How to Customize Lion Server’s Firewall Rules

If you want to get into deep firewall-configuration territory, you can use the Advanced tab of Firewall Settings in Lion Server to create your own rules that describe what to do with incoming network traffic [more…]

How to Create IP Address Groups to Use in Lion Server’s Firewall

An address group in Lion Server can be a single IP address, such as for a device or server, and it can also be a range of addresses designated by an address and subnet mask. An address group can have multiple [more…]

How to Host Network Address Translation (NAT) on Lion Server

If you’re not using network address translation (NAT) on another device to connect your network to the Internet, you can run it on Lion Server in conjunction with Lion Server’s firewall. You use Server [more…]

How to Assign an SSL Certificate to a Lion Server Service

In Lion Server, you won’t see check boxes for SSL in the configuration screens for user services. Instead, you enable SSL for a service simply by assigning an SSL certificate. [more…]

How to Create an SSL Certificate in Lion Server

You can use SSL certificates with Address Book, web, e-mail, iCal, and iChat services in Lion Server to encrypt data sent between clients and the server. To create an SSL Certificate signed by a trusted [more…]

How to Become a Certificate Authority Using Lion Server

You may want to set up your Lion Server to act as a certificate authority, with the ability to sign certificates created elsewhere in the organization. Use the Keychain Access to create a certificate authority [more…]

Virtual Private Network Basics for Lion Server

If you set up Lion Server as a private server (with a .private domain name), not serving to the Internet, a VPN is one way for users outside the building to privately connect to your hosted websites, wikis [more…]

How to Get Your Lion Server Network Ready for VPN

If Lion Server is set up as a private server, a VPN is one way for users outside the building to privately connect to your hosted websites, wikis, and other services. For your users to access the local [more…]


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