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    • Free Firewall Software

      Free Firewall Software

      Free firewalls have become very common and represent an excellent alternative to commercial firewall packages. Most of these firewalls run under some form of Linux, FreeBSD, or OpenBSD. Many of these free firewalls are front-ends for the lower-level firewall packages which ship with these operating systems, such as pf (Packet Filter), ipf (IPFilter), ipfw (IPFirewall),

    • DWDM (Dense Wavelength Division Multiplexing)

      DWDM (Dense Wavelength Division Multiplexing)

      DWDM stands for Dense Wavelength Division Multiplexing. DWDM is a technology used to increase the capacity of fiber optics that results in faster transfers of data. What are fiber optics? Fiber optics are very thin and small fibers that are used to transmit data and light throughout a computer and network. How does DWDM affect

    • Cantenna

      Cantenna

      A Cantenna is a waveguide antenna that is directional in nature, and is used to better detect or broaden a wireless network’s range. The original Cantenna was a 50 ohm resistive load that amateur radio enthusiasts used. It is a simple product that can be created with an empty Pringles can (and more recently, wider

    • Presentation Layer

      Presentation Layer

      The presentation layer is one of seven layers of the OSI (Open Systems Interconnections) Model and is found between the application layer and the session layer. The presentation layer is commonly used for encryption and decryption as well as the conversion of file formats. The presentation layer is considered the last layer in which data

    • How to Increase a WiFi Signal

      How to Increase a WiFi Signal

      The first thing you can try to increase a WiFi signal is to move the laptop computer or mobile device closer to the source of the network that is being accessed. If you have control over the router of the network, you can increase the wireless signal by placing the router on a high area

    • How to Compare VoIP Providers

      How to Compare VoIP Providers

      VoIP (Voice over Internet Protocol) is changing the way people communicate. VoIP utilizes a broadband Internet connection for routing telephone calls, as opposed to conventional switching methods, providing efficient use of existing Internet connections as well as lowering overall costs. Interestingly, there is no need for any large scale infrastructures; just combine a conventional phone

    • Cisco Switch Configuration

      Cisco Switch Configuration

      When executing an inter-network installation, many mechanisms and components are usually involved. Cisco is superior because it is the only inter-networking company with a well made end to end inter-networking solution. Cisco switches makes the LAN more competent by creating multiple collision domains. Each switch port is a split collision domain. With only one device

    • DSL vs Cable Modem

      DSL vs Cable Modem

      Two of the most popular technologies that offer speedy access to the World Wide Web are DSL broadband and the cable modem. There are several reasons why this is the case and the first one is that both of these Internet connections are considerably faster than the standard dialup connections. However, when you compare the

    • Wireless Access Point

      Wireless Access Point

      Wireless Access Point (WAP) is essentially hardware equipment that enables wireless devices to connect to wireless networks, via standards such as Wi-Fi, Bluetooth and so on. The WAP device typically connects to a wired network, and acts as a communication interface between the wireless devices and wired devices on the network. The WAP device enables

    • How to Configure a Router

      How to Configure a Router

      One of the main disadvantages of connecting to the Internet via wire is that it prevents you from moving around. On the other hand, by setting up and configuring a router, you can move around with your lap top and surf the web more comfortably. Configuring a router is not difficult; however, people may have

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