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Remote Access Service
... • It is designed to secure any application traffic because it resides on the network layer (or Internet layer, as TCP/IP programmers refer to it). • This protocol is used in conjunction with virtual private networks and is an integral part of IPv6. ...
... • It is designed to secure any application traffic because it resides on the network layer (or Internet layer, as TCP/IP programmers refer to it). • This protocol is used in conjunction with virtual private networks and is an integral part of IPv6. ...
Network Flow Analysis in Information Security Strategy
... This material has been approved for public release and unlimited distribution except as restricted below. This material may be reproduced in its entirety, without modification, and freely distributed in written or electronic form without requesting formal permission. Permission is required for any o ...
... This material has been approved for public release and unlimited distribution except as restricted below. This material may be reproduced in its entirety, without modification, and freely distributed in written or electronic form without requesting formal permission. Permission is required for any o ...
An Overview of the Wireless Intrusion Detection System
... Wireless Local Area Network (WLAN), and Wireless Personal Area Network (WPAN). Bluetooth is the industry standard wireless technology that WPAN uses. These devices operate in a range of up to 30 feet away. Compared to the WLAN, the speed and wireless operation range are both less with the Bluetooth, ...
... Wireless Local Area Network (WLAN), and Wireless Personal Area Network (WPAN). Bluetooth is the industry standard wireless technology that WPAN uses. These devices operate in a range of up to 30 feet away. Compared to the WLAN, the speed and wireless operation range are both less with the Bluetooth, ...
1 Introduction
... Part of the materials in this set of handout is adapted from Wikipedia and Guide to Networking Essentials (2nd edition) published by Course Technology. This set of materials is essentially developed by Chung, C.F. Jeffrey. ...
... Part of the materials in this set of handout is adapted from Wikipedia and Guide to Networking Essentials (2nd edition) published by Course Technology. This set of materials is essentially developed by Chung, C.F. Jeffrey. ...
Savvy Shopper Notebook Article
... Be sure the notebook computer has an optical disc drive. Most notebook computers include an optical disc drive. Although DVD/Blu-ray Disc drives are somewhat more expensive, they allow you to play CDs, DVDs, and Blu-ray Discs using your notebook computer and hear the sound through earbuds. If you de ...
... Be sure the notebook computer has an optical disc drive. Most notebook computers include an optical disc drive. Although DVD/Blu-ray Disc drives are somewhat more expensive, they allow you to play CDs, DVDs, and Blu-ray Discs using your notebook computer and hear the sound through earbuds. If you de ...
Networking in Linux
... Schneier and Ferguson (renowned experts) conclusion: IPSec is too complex to be secure, but it is better than any other security protocol in existence. Different implementations: VPN requires the use of VPN gateways in the server side. Read this article to see a comparison of these types. ...
... Schneier and Ferguson (renowned experts) conclusion: IPSec is too complex to be secure, but it is better than any other security protocol in existence. Different implementations: VPN requires the use of VPN gateways in the server side. Read this article to see a comparison of these types. ...
Wireless Optimization for Java RMI
... is to automatically adjust all aspects of user’s computing, communications, and storage functionality in a transparent and integrated fashion” – L. ...
... is to automatically adjust all aspects of user’s computing, communications, and storage functionality in a transparent and integrated fashion” – L. ...
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... NRZ (non-return to zero) and Manchester. 45. What best describes the purpose of the physical layer? The chief purpose of the physical layer is to define the functional specifications for links between end systems and the electrical, optical, and radio signals that carry data. 46. What is the most co ...
... NRZ (non-return to zero) and Manchester. 45. What best describes the purpose of the physical layer? The chief purpose of the physical layer is to define the functional specifications for links between end systems and the electrical, optical, and radio signals that carry data. 46. What is the most co ...
WP-U3: Content and Service Perspective
... • Two IP-based access networks with the similar infrastructure are presented. • More than one EN with the network sub-layer is located within one access network and they communicate with each other via signalling. • one AAA server within each network, which is located close to the ENs to help delive ...
... • Two IP-based access networks with the similar infrastructure are presented. • More than one EN with the network sub-layer is located within one access network and they communicate with each other via signalling. • one AAA server within each network, which is located close to the ENs to help delive ...
High Assurance MLS File Service - Center for Computer Systems
... sensitivity level of the source network with the contents of each packet it forwards from lowto-high. The guard then forwards these lowernetwork-labeled (“low-sealed”) packets over the system-high network to another guard at their intended destination. When delivering packets, the destination guard ...
... sensitivity level of the source network with the contents of each packet it forwards from lowto-high. The guard then forwards these lowernetwork-labeled (“low-sealed”) packets over the system-high network to another guard at their intended destination. When delivering packets, the destination guard ...
LAN BASICS
... • If IPX/SPX is to be installed in a Microsoft client then the ODI driver must be installed • The alternative of installing NWLink is preferred – Works with NDIS driver ...
... • If IPX/SPX is to be installed in a Microsoft client then the ODI driver must be installed • The alternative of installing NWLink is preferred – Works with NDIS driver ...
Performance Analysis of the Next generation WLAN Protocol
... still a work in progress, most of the provisions are now being implemented in both private and business networks. ...
... still a work in progress, most of the provisions are now being implemented in both private and business networks. ...
Short Slot Times - Community College of Rhode Island
... Short Slot Times - The amount of time a device waits after a collision before retransmitting a packet. You can increase throughput on 802.11g, 2.4-GHz radios by enabling short slot time (most .11g radios enable this by default). Reducing the slot time from the standard 20 microseconds to the 9-micro ...
... Short Slot Times - The amount of time a device waits after a collision before retransmitting a packet. You can increase throughput on 802.11g, 2.4-GHz radios by enabling short slot time (most .11g radios enable this by default). Reducing the slot time from the standard 20 microseconds to the 9-micro ...
Worm Hole Attack Detection in Wireless Sensor Network
... Random linear Network coding (RLNC) System .Wormhole link will be removed in the network and packets are transmitted through secure link To improve the system performance of wireless Network, network coding is shown to be effective approach and it is totally different from traditional network In con ...
... Random linear Network coding (RLNC) System .Wormhole link will be removed in the network and packets are transmitted through secure link To improve the system performance of wireless Network, network coding is shown to be effective approach and it is totally different from traditional network In con ...
Review() - Personal.psu.edu
... • Low error rates and relatively symmetric bidirectional data rates ...
... • Low error rates and relatively symmetric bidirectional data rates ...
lecture 16 ppt - George Mason University
... PAN’s can be wired with a computer bus such as a universal serial bus: USB (a serial bus standard for connecting devices to a computer-many devices can be connected concurrently) PAN’s can also be wireless through the use of bluetooth (a radio standard designed for low power consumption for intercon ...
... PAN’s can be wired with a computer bus such as a universal serial bus: USB (a serial bus standard for connecting devices to a computer-many devices can be connected concurrently) PAN’s can also be wireless through the use of bluetooth (a radio standard designed for low power consumption for intercon ...
Unit 2–Computer Network Fundamentals
... Over the past several years, home computer networks have become increasingly popular in the U.S. Home networks are used to share Internet access and other computing resources, support sophisticated home entertainment and security systems, and more. In response to ever-growing demand, the electronics ...
... Over the past several years, home computer networks have become increasingly popular in the U.S. Home networks are used to share Internet access and other computing resources, support sophisticated home entertainment and security systems, and more. In response to ever-growing demand, the electronics ...
A Comparison of
... Datagram Protocol (UDP) and TCP ports. Many companies will not allow UDP traffic across their firewalls. While this use of UDP can be disabled in pcAnywhere™ (resulting in more administrative overhead for every client), doing so comes at the cost of some functionality. (If the host is in use by anot ...
... Datagram Protocol (UDP) and TCP ports. Many companies will not allow UDP traffic across their firewalls. While this use of UDP can be disabled in pcAnywhere™ (resulting in more administrative overhead for every client), doing so comes at the cost of some functionality. (If the host is in use by anot ...
Lesson 7
... Packet Filtering – Also called packet screening: decide to allow or reject specific packets as they enter your network Stateful Inspection – looks at contents of packet not just header Application Level Gateway -- also known as proxy gateways, used to forward service-specific traffic (e.g. email). – ...
... Packet Filtering – Also called packet screening: decide to allow or reject specific packets as they enter your network Stateful Inspection – looks at contents of packet not just header Application Level Gateway -- also known as proxy gateways, used to forward service-specific traffic (e.g. email). – ...
Security - Ingate Systems
... • Authenticating information that allows voice access to Call Control and UC Applications • VoIP Security covers a variety of computer networks, both public and private, that are used in everyday jobs conducting transactions and communications among businesses, government agencies and individuals. ...
... • Authenticating information that allows voice access to Call Control and UC Applications • VoIP Security covers a variety of computer networks, both public and private, that are used in everyday jobs conducting transactions and communications among businesses, government agencies and individuals. ...
VPN Networks
... VPNs require an in-depth understanding of public network security issues and proper deployment of precautions Availability and performance depends on factors largely outside of their control Immature standards VPNs need to accommodate protocols other than IP and existing internal network technology ...
... VPNs require an in-depth understanding of public network security issues and proper deployment of precautions Availability and performance depends on factors largely outside of their control Immature standards VPNs need to accommodate protocols other than IP and existing internal network technology ...
Chapter 4
... TCP/IP or other protocol packets and decode the contents. • Three of the most effective methods for counteracting eavesdropping are as follows: • Using switched networks instead of hubs so that traffic is not broadcast to all endpoints or network hosts. • Using encryption that meets the data securit ...
... TCP/IP or other protocol packets and decode the contents. • Three of the most effective methods for counteracting eavesdropping are as follows: • Using switched networks instead of hubs so that traffic is not broadcast to all endpoints or network hosts. • Using encryption that meets the data securit ...
Wireless security
![](https://commons.wikimedia.org/wiki/Special:FilePath/ADSL_router_with_Wi-Fi_(802.11_b-g).jpg?width=300)
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. The most common types of wireless security are Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA). WEP is a notoriously weak security standard. The password it uses can often be cracked in a few minutes with a basic laptop computer and widely available software tools. WEP is an old IEEE 802.11 standard from 1999, which was outdated in 2003 by WPA, or Wi-Fi Protected Access. WPA was a quick alternative to improve security over WEP. The current standard is WPA2; some hardware cannot support WPA2 without firmware upgrade or replacement. WPA2 uses an encryption device that encrypts the network with a 256-bit key; the longer key length improves security over WEP.Many laptop computers have wireless cards pre-installed. The ability to enter a network while mobile has great benefits. However, wireless networking is prone to some security issues. Hackers have found wireless networks relatively easy to break into, and even use wireless technology to hack into wired networks. As a result, it is very important that enterprises define effective wireless security policies that guard against unauthorized access to important resources. Wireless Intrusion Prevention Systems (WIPS) or Wireless Intrusion Detection Systems (WIDS) are commonly used to enforce wireless security policies.The risks to users of wireless technology have increased as the service has become more popular. There were relatively few dangers when wireless technology was first introduced. Hackers had not yet had time to latch on to the new technology, and wireless networks were not commonly found in the work place. However, there are many security risks associated with the current wireless protocols and encryption methods, and in the carelessness and ignorance that exists at the user and corporate IT level. Hacking methods have become much more sophisticated and innovative with wireless access. Hacking has also become much easier and more accessible with easy-to-use Windows- or Linux-based tools being made available on the web at no charge.Some organizations that have no wireless access points installed do not feel that they need to address wireless security concerns. In-Stat MDR and META Group have estimated that 95% of all corporate laptop computers that were planned to be purchased in 2005 were equipped with wireless cards. Issues can arise in a supposedly non-wireless organization when a wireless laptop is plugged into the corporate network. A hacker could sit out in the parking lot and gather information from it through laptops and/or other devices, or even break in through this wireless card–equipped laptop and gain access to the wired network.