CHAPTER Firewall Fundamentals 2 T o some network administrators, a firewall is the key component of their infrastructure’s security. To others, a firewall is a hassle and a barrier to accomplishing essential tasks. In most cases, the negative view of firewalls stems from a basic misunderstanding of the nature of firewalls and how they work. This chapter will help dispel this confusion. This chapter clearly defines the fundamentals of firewalls. These include what a firewall is, what a
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Network management systems are giving IT professional an advantage on their own networks. This is giving them access to software and hardware at a moment’s notice without leaving the comfort of their desk or home. The NMS consists of a set of software and hardware tools that is integrated into the network. This management system is able to identify devices that are on the network. The NMS can also be used to monitor all devices and rate how the device is performing and if it is matching the device
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Network Management System Overview- Today’s network management system (NMS) provides advanced fault and performance management functionality across critical IT resources such as routers, WAN links, swithches, firewalls, VOIP call paths, physical servers, virtual servers, domain controllers and other IT infrastructure devices. An NMS is a set of hardware and software utilities used to manage networks. Basically NMS provides a set of functionalities as Fault tolerance, Configuration assistance, Accounting
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Exercise 3: Duration: 3-4 weeks In Exercise 1, you learned about ABC, a manufacturer of new electric cars. ABC has chosen you to design a new network that will let the company scale to a larger size. The campus network will support about 1200 employees and a new data center. Another feature of the campus network will be a state-of-the-art manufacturing facility with networked equipment that communicates with servers in the data center that support real-time control and management. Engineers will
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CNT 4513 Study Guild Note: This study guild also include the material covered before midterm for completeness. You can focus on Chapter 4 and 5 Chapter 1 1. Internet: largest system of interconnected computer networks a) Network edge: end system and access network b) Network core: packet switching(vs. circuit switching) 2. Network Performance a) Delay: Processing delay, queuing delay, transmission delay, propagation delay b) Throughput: bottleneck link 3. Protocol layers a) application
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COMMON PORTS packetlife.net TCP/UDP Port Numbers 7 Echo 554 RTSP 19 Chargen 2745 Bagle.H 6891-6901 Windows Live 546-547 DHCPv6 2967 Symantec AV 6970 Quicktime 560 rmonitor 3050 Interbase DB 7212 GhostSurf 22 SSH/SCP 563 NNTP over SSL 3074 XBOX Live 23 Telnet 587 SMTP 3124 HTTP Proxy 8000 Internet Radio 25 SMTP 591 FileMaker 3127 MyDoom 8080 HTTP Proxy 42 WINS Replication 593 Microsoft DCOM 3128 HTTP Proxy 43 WHOIS
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data valus that are easier to manage and simpler to analyze. Honeypot reduse the False positives and False negatives. It also capture the attack or malicious activity if they are encrypted. It work in the any IP adress environment e.g Ipv4, IPv6. The functionality of the Honeypot is adaptable. It have the ability to used in the different
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Q: Know the difference between hash, symmetric and asymmetric encryption Hash is one-time encryption, symmetric is same key on both sides Q: Know what the TPM chip is and does Holds keys (bitlocker) and helps with encryption Q: Know what policy controls password characteristics for local user accounts Password Policy Q: Know the auditing process is and does Records changes to the file Q: Know what Windows Defender, Windows Firewall, BitLocker Drive Encryption, and Windows Update
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The history of LG has always been based around the company's desire to create a happier, better life. LG Electronics was established in 1958 and has since led the way into the advanced digital era thanks to the technological expertise acquired by manufacturing many home appliances such as radios and TVs. LG Electronics has unveiled many new products, applied new technologies in the form of mobile devices and digital TVs in the 21st century and continues to reinforce its status as a global company
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Three of the most important types of Linux security technologies are Security Enhanced Linux (SELinux), chroot jail, and iptables. These security measures aide in the subversion of theft and malicious activity. We will discuss these items in depth to address who created them and for what reason. Along with how these technologies changed the operating system to enforce security, and the types of threats that these security systems are design to eliminate. Security Enhanced Linux was released in
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