Vijayanand asked:

When it comes to firewalls, there are several different types available. They are differentiated primarily by the methods they use to filter data. An in-depth understanding of firewalls requires an understanding of the four basic categories they fall into—packet filters, circuit level gateways, application level gateways and stateful inspection firewalls. Firewall products can [...]

Scott Smithson asked:

There are millions of students worldwide that feel hindered by measures taken by their schools to filter the content available to them on school-based internet. They have taken it upon themselves to find ways to preserve anonymity by bypassing the firewalls implemented by the schools. In this way, they are able to [...]

Martin Greif asked: With the arrival of the 2008 Olympic Games to Beijing, it seems that this would be an appropriate time to focus on The Great Firewall of China, or the Golden Shield Project (as it is officially known). The Golden Shield is a censorship and surveillance program run by China’s Ministry of Public [...]

Helen Markova asked: Entensys Corporation – an International security software vendor, announced the release of UserGate Proxy & Firewall 5.0, which offers centralized management of networks and protection from complex Internet threats. UserGate now enables System Administrators to control their employees’ browsing habits and to monitor downloads in real-time. UserGate server can help boost employee [...]

Whitney Brennan asked: Harrison Ford doesn’t move as swiftly as Indy in his thriller “Firewall,” but he proves that, at 63, he can still play the action hero. “Firewall” is not thought-provoking; it’s a good old-fashioned action movie with all the right ingredients. Speeding cars, shattering glass, intense fight sequences and fiery explosions—and Ford is in the [...]

Brian Ellis BSc asked: Increased *********** of broadband Internet is driving the adoption of voiceover Internet Protocol (VoIP) both for consumer and business markets, propellingVoIP to be the preferred mode of communications. High quality multimediacommunications along with rich presence, universal mobility and availability,and lower cost are some of the benefits VoIP brings to end-users. For [...]

M. Aslam asked: The firewall protects an internal network from malicious hackers or software on an external network. Firewalls filter potentially harmful incoming or outgoing traffic. Firewalls are used to subdivide internal networks on the Internet. It also protects individual computers. The five services that firewalls provide are packet filtering, application filtering, proxy server, circuit-level, [...]

Liam G asked: If you are a regular internet user, be it at home or at work, chances are you have heard the term “firewall”. When asked what exactly a firewall is though, many people have a limited amount of knowledge, knowing only that it is something that protects computer systems.Quite simply, this is correct; [...]

Richard Seng asked: How to Choose a Firewall: Tips and Tricks for the Savvy User Without a firewall, your computer is opened up your computer to a host of attacks from hackers. These online criminals try to access your computer to change or steal your private information. With this information, the hacker can steal your [...]

Stephen Thomson asked: If you connect an unprotected computer or computer without any security software to the internet, cyber criminals, hackers or identity thieves can attack your computer within seconds. So, to avoid such security problems and identity theft, you should have security software with at a minimum, firewall, antispyware and antivirus protection.There are various [...]

Vijayanand asked: At their most basic, firewalls work like a filter between your computer/network and the Internet. You can program what you want to get out and what you want to get in. Everything else is not allowed. There are several different methods firewalls use to filter out information, and some are used in combination. [...]

Nikhilalex asked: A firewall is a software program used to prevent unauthorized access to a computer or a network. A network generally constitutes of a company’s local area networks, wide area networks, and the Internet or it can simply be an Internet Service Provider averting a malicious access to the files of its customers. The [...]