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Internet Firewall Security
Pages 8 (2008 words)
Computer Sciences In APA Format Abstract The invention of the internet has made life unimaginably easier, one can shop online, transfer money online, book movie tickets online, book airline tickets online and in addition to this complete a host of other important tasks with just a few clicks…
Considering all these cons, one must ensure that a good firewall is in place to keep the hackers at an arm’s length, keeping them at bay is an arduous task. This paper will shed light upon internet firewall security and how a good firewall can protect a person from malware, Trojan horses and other undesirable viruses. Firewall Basics: “The term "fire wall" originally meant, and still means, a fireproof wall intended to prevent the spread of fire from one room or area of a building to another. The Internet is a volatile and unsafe environment when viewed from a computer-security perspective, therefore "firewall" is an excellent metaphor for network security.” (What is a firewall?) Firewall is not something general, it means several specific things and it is supposed to do several important things to ensure that a user is safeguarded against attacks. Packet filtering is perhaps the most important job of a regular firewall. All the internet activities like downloads, chats and so on are done in packets, and these packets contain information. Firewall must ensure that these packets are either allowed or disallowed based on the source of the internet protocol address known as the IP address. The destination port of these packets is also very important, the firewall is supposed to allow or disallow these packets purely on the basis of their destination port. ...
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