Network Security Concepts

(2005). How stuff works. How voip works. Retrieved June 3, 2005, from the World Wide Web: http://computer.howstuffworks.com/ip-telephony.htm Voippreview. (2004).

<http://internet2.edu>. Kristula, Dave. “The History of the Internet.” March 1997. 21 October 2004. <http://www.davesite.com/webstation/net-history.shtml>.

Encryption and password security is normally the best way to keep your data in the correct hands. Another way is install a firewall. A firewall is a system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both and are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet. There are several types of firewall techniques: • Packet Filter: Packet filtering looks at each packet entering or leaving the network and accepts or rejects it based on user-defined rules.

“You must have a general understanding of security terminology and specifications as it relates to configuring hardware and software systems.”(Roberts, Richard M. 599). That quote states that by knowing and understanding security terms and specifics, you can The protection of your network requires a level of network security. If you do not have security on your network, then you are capable of being hacked or receiving malware, spy, virus, and lots more. There are many programs or applications that can help detect and prevent strange activities on your computer, but there is also ways that you can help prevent anything from happening. Creating a password for your network is a good start toward protection of your computer.

It is set of rules that determine whether packets are safe or not. It protects from viruses, worms and hackers who are trying to attack network through the Internet. Any computer in the world needs Firewall because these play a major role in keeping computer network secure and safe from attacks. There are two main types of Firewalls one is Enterprise Firewall or Network Firewall and other is Host based Firewall. Two of these are generally used to secure the system by controlling the network traffic by allowing or denying them.

Retrieved Nov. 25, 2005, from http://staff.washington.edu/gray/papers/credo.html Stiffler, R. & Carter, E. (Dec. 28, 2001). Intrusion detection: Cisco IDS overview. [Electronic version]. Retrieved Nov. 26, 2005, from http://www.informit.com/articles/article.asp?p=24696&rl=1

(n.d.). Webopedia.Retrieved March 20, 2005, from http://www.webopedia.com/TERM/D/data_mirroring.html

ZoneAlarm Pro 3.0 not only provides cookie control, pop-up ad control but also provides email protection and it can suspend 46 different file types. Unlike other personal firewalls, ZoneAlarm Pro includes Program Control to protect against known and unknown threats. With ZoneAlarm Pro, you can control the ability to specify which programs are trusted to access the Internet, by monitoring all outbound traffic. You can also block and make your computer invisible on the internet-“if you can’t be seen, you can’t be hacked” (Zone Labs). Another type of software that they sugge... ... middle of paper ... ... cases like if you have nothing on your system now, but the only sure, secure way to know that your computer is going to be safe from hackers, when your on the network or working on your computer at home is to turn it off when your done with it.

Retrieved March 24, 2005 from the World Wide Web: http://software.itmanagersjournal.com/print.pl?sid=05/02/11/0028208. McArdle, D. (2005, February 18). Group tackles VoIP security fears. ElectricNews.Net. Retrieved March 24, 2005 from the World Wide Web: http://www.enn.ie/print.html?code=9589191.

Retrieved on August 25, 2005 from http://projects.bus.lsu.edu/independent_study/vdhing1/b2c/. Constantinides, E. (2005). 4S web marketing mix. 12Manage.com website. Retrieved on August 26, 2005 from http://www.12manage.com/methods_constantinides_4s_web_ marketing_mix.html.