Date Added: Jan 2010
The notion of writing this paper is to discuss in detail about network security and various threats it is exposed to while connecting computer systems with Internet at home and offices. This paper is a discussion of a small and complete network with proper reasoning behind all decisions and variations mentioned in the paper. With the evolution in computer sciences, security practices should also change to provide and serve security needs of servers in all organizations. A range of security threats that are exposed to computers and network servers are discussed in this paper. It also gives adequate solutions to overcome this protection problem. The paper also mentions Firewalls that are security solutions designed to make computers and networks secure. Firewall is a defense system that acts against various security threats but even it has its limitations. Firewall even when properly configured cannot save a vulnerable computer that is supposed to be protected. The paper proposes to analyze, consider, and use proper applications and tools that can protect computer and network from threats. This paper discusses and mentions proxy servers and also describes various protocol serves. All details with accurate data and figures are mentioned in this paper to approach a secure and practical network.