Firewall to Protect Companies a Firewall Is Essay

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Firewall to Protect Companies

A firewall is used to protect a person or business' network from exterior harms. Firewall may use packet filtering, user or client application authentication in order to protect the network. The actual process of protecting a network requires a firewall to filter incoming packet sizes, source IP address, protocol, and destination port. Administrators of a network are able to enact firewall protection on a router and this is often the first level of protection the network has against harm.

Along with being a primary protection, firewalls in routers are also beneficial to those not skilled or knowledgeable in firewall protection. Customers are able to install the firewall between their network and external internet connection on their own without assistance. Router-based firewall offers ease to those who use it and is used as a primary source of protection.

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Overall, it is far more practical to implement a router with firewall capabilities than not.

As security for the school system, it will be important to protect administrative offices, classroom computers, web-servers, and email servers from external risks. Multiple layers of firewall may be used to protect against these risks if placed in proper locations. Like many organizations, the school will operate using a demilitarized zone (DMZ). This will use two separate firewalls: One to protect incoming threats and one to protect outgoing threats. Inside the DMZ, web servers and email servers will receive optimum security. In the event of an external security breach, only these servers would be compromised, rather than all school data. It is common for the DMZ to physically be two separate firewalls. The two separate firewalls make the time delay a….....

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