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Can you discuss its advantages and its weakness or drawbacks? Do you know some products that are based on that technology? • Discuss the specific techniques for securing the remote client and the remote access server and the common concerns of each. Firewalls are considered the key element in securing networks. A firewall is usually a computer that sits on two different networks and passes allowed traffic between them, filtering out traffic that is not permitted. A firewall is the primary deterrence device used in a network. Its job is similar to a physical firewall that keeps a fire from spreading from one area to the next. The purpose of this session is to learn more about firewalls, how they work and what kinds of threats they can protect you from. Read through Chapter 12 of Stallings textbook and Session 9 Notes and try to comprehend the firewall principle and its role in protecting the corporate network. • Identify the major vulnerable points to security threats in the network structure and discuss how firewalls can counteract these threats. • Are firewalls the total solution to deny access to systems?
Give examples to support your answer. • What is the role of application gateways and circuit-level gateways? After antivirus software and firewalls an IDS is considered the best way to detect a security breach. However, successfully deploying an IDS is one of the biggest challenges for a security administrator. The purpose of this session is to discuss real-life deployment considerations. Read through Chapter 11 Stallings textbook and Session 10 Notes and learn about intruders and IDSs. • As a network administrator you are asked to improve your network security by adding an IDS. What type of IDS should you use? • Before you buy an IDS, you have to be sure you have enough resources to maintain it. What kind of problems you have to face? • You want to deploy your first IDS. What are the steps you may consider to a successful IDS deployment? A very challenging issue in IT industry is wireless security. Because of the specific technical principles involved in building a wireless network, the security problem needs a special type of approach. The purpose of this session is to understand the wireless network structure and functionality from the security professional’s point of view. • What are the security issues with wireless LANs and WANs in a data processing environment? What are the recommended solutions to the issues identified? • What are the security issues with Wireless telephony? What solutions were implemented if any to address those issues?
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