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lecture-01-mon-tue-addressing
... Many different owners/operators Many different types Ethernet, dedicated leased lines, dialup, optical, broadband, wireless, ... ...
... Many different owners/operators Many different types Ethernet, dedicated leased lines, dialup, optical, broadband, wireless, ... ...
PPT
... • Provide bogus DNS mapping for a trusted server, trick user into downloading a malicious script • Force user to download content from the real server, temporarily provide correct DNS mapping • Malicious script and content have the same origin! slide 33 ...
... • Provide bogus DNS mapping for a trusted server, trick user into downloading a malicious script • Force user to download content from the real server, temporarily provide correct DNS mapping • Malicious script and content have the same origin! slide 33 ...
A Security Analysis of the Gnutella Peer-to
... The Push descriptor is designed to allow the Gnutella network to continue to operate when a servent that is providing files resides behind a firewall that will not allow direct connections to be established to the host. The assumption made is that the internal host will be allowed to establish conne ...
... The Push descriptor is designed to allow the Gnutella network to continue to operate when a servent that is providing files resides behind a firewall that will not allow direct connections to be established to the host. The assumption made is that the internal host will be allowed to establish conne ...
New Tools on the Bot War Front
... web pages in December 2007. That breach was detected and the hole was patched, but nothing was detected inside the network. Then, in May of 2008, a sniffer activated on an internal payment system. This was a month after Heartland passed a PCI DSS audit.2 The sniffer was not a bot, per se, because it ...
... web pages in December 2007. That breach was detected and the hole was patched, but nothing was detected inside the network. Then, in May of 2008, a sniffer activated on an internal payment system. This was a month after Heartland passed a PCI DSS audit.2 The sniffer was not a bot, per se, because it ...
IT Management System Scalability for the Enterprise
... Every network should have a fault tolerance and failover plan for its monitoring system deployment. It’s possible that your NMS installation can fail due to faulty hardware on the server, link issues, interrupted power supply, etc. To ensure the monitoring system is always available, it’s important ...
... Every network should have a fault tolerance and failover plan for its monitoring system deployment. It’s possible that your NMS installation can fail due to faulty hardware on the server, link issues, interrupted power supply, etc. To ensure the monitoring system is always available, it’s important ...
Chapter 12 PowerPoint
... TCP/IP error when in fact the underlying hardware or network infrastructure is at fault. ...
... TCP/IP error when in fact the underlying hardware or network infrastructure is at fault. ...
A very important part of network building is LAN connectivity
... Similar actions occur when packet is sent from user C to user A. In most cases the devices interconnecting the VLANs are intermediate routers and it means that only one MAC address would be required in the configuration. The router itself would need to define ARP entries for other connected routers ...
... Similar actions occur when packet is sent from user C to user A. In most cases the devices interconnecting the VLANs are intermediate routers and it means that only one MAC address would be required in the configuration. The router itself would need to define ARP entries for other connected routers ...
Advanced Threat Protection For Dummies®, Blue Coat Systems
... it for a few hours. Odds are that you’ll hear about at least one major cyberattack that occurred in the previous 48 hours. Frankly, I can’t think of the last full day when I didn’t hear about some big data breach— which certainly wasn’t the case three years ago. Cyberattacks have become an internati ...
... it for a few hours. Odds are that you’ll hear about at least one major cyberattack that occurred in the previous 48 hours. Frankly, I can’t think of the last full day when I didn’t hear about some big data breach— which certainly wasn’t the case three years ago. Cyberattacks have become an internati ...
here - Campaign[x]
... Increases visibility, actively reduces energy costs Integrates with borderless services: access control, identity, location Phase 1: Network devices (IP phones, access points, and cameras) ...
... Increases visibility, actively reduces energy costs Integrates with borderless services: access control, identity, location Phase 1: Network devices (IP phones, access points, and cameras) ...
Maintenance ST - Common Criteria
... The Alcatel-Lucent 7-Series Service Router Operating System (SROS) Software Family (SROS) is the Target of Evaluation (TOE). The SROS consists of the following software configuration items (CIs): a. Alcatel-Lucent 7x50 Service Router Operating System (SR OS), v10.0; b. Alcatel-Lucent 7705 Service Ag ...
... The Alcatel-Lucent 7-Series Service Router Operating System (SROS) Software Family (SROS) is the Target of Evaluation (TOE). The SROS consists of the following software configuration items (CIs): a. Alcatel-Lucent 7x50 Service Router Operating System (SR OS), v10.0; b. Alcatel-Lucent 7705 Service Ag ...
Mobile - CSE, IIT Bombay
... • Right value of dupack delay D dependent on the wireless link properties • Mechanisms to automatically choose D needed • Delays dupacks for congestion losses too, delaying congestion loss recovery Session: 15 ...
... • Right value of dupack delay D dependent on the wireless link properties • Mechanisms to automatically choose D needed • Delays dupacks for congestion losses too, delaying congestion loss recovery Session: 15 ...
Cisco AON Secure File Transfer Extension Module
... integrated hardware and software solution for secure managed file transfer. By providing B2B gateway functionality in a network form factor, this solution eliminates the need for complex server-based software deployment and management, addressing a number of the barriers faced by organizations with ...
... integrated hardware and software solution for secure managed file transfer. By providing B2B gateway functionality in a network form factor, this solution eliminates the need for complex server-based software deployment and management, addressing a number of the barriers faced by organizations with ...
power-point presentation - UNT College of Engineering
... Currently, this network has 4 million connected systems and its traffic constitutes 20-50% of Internet traffic. History of Computer Networks -21 ...
... Currently, this network has 4 million connected systems and its traffic constitutes 20-50% of Internet traffic. History of Computer Networks -21 ...
power-point presentation
... Currently, this network has 4 million connected systems and its traffic constitutes 20-50% of Internet traffic. History of Computer Networks -21 ...
... Currently, this network has 4 million connected systems and its traffic constitutes 20-50% of Internet traffic. History of Computer Networks -21 ...
downloading
... 1. (Optional) Upgrade the system firmware to the latest version available for the switch type to be used for the lab. Your instructor will provide the IP address of the TFT server and the name of the image to be used. a. Connect to the console port of your assigned switch using the console cable pro ...
... 1. (Optional) Upgrade the system firmware to the latest version available for the switch type to be used for the lab. Your instructor will provide the IP address of the TFT server and the name of the image to be used. a. Connect to the console port of your assigned switch using the console cable pro ...
HoneyPot1 - Security Research
... system resource whose value lies in unauthorized or illicit use of that resource.” (Lance Spitzner) ...
... system resource whose value lies in unauthorized or illicit use of that resource.” (Lance Spitzner) ...
Wireless-G VPN Router with RangeBooster USER GUIDE BUSINESS SERIES
... to your broadband DSL or Cable modem. For the LAN interface, there is a built-in 4-port, full-duplex 10/100 Ethernet switch that can connect up to four devices. The wireless AP supports 802.11b/g and incorporates Linksys RangeBooster technology, which utilizes a MIMO antennae configuration to provid ...
... to your broadband DSL or Cable modem. For the LAN interface, there is a built-in 4-port, full-duplex 10/100 Ethernet switch that can connect up to four devices. The wireless AP supports 802.11b/g and incorporates Linksys RangeBooster technology, which utilizes a MIMO antennae configuration to provid ...
Third-Party Adapter
... Wireless USB Adapter allows users to roam throughout the network while remaining connected to the LAN. ...
... Wireless USB Adapter allows users to roam throughout the network while remaining connected to the LAN. ...
Technical University Berlin Telecommunication Networks Group Optimization of Handover Performance
... Using link-layer trigger for handover violates a general design paradigm of the Internet protocols: IP is designed to be independent of the underlying technology. The success of the Internet technology is largely attributed to such principles. As a consequence of these principles, IP subnets do not ...
... Using link-layer trigger for handover violates a general design paradigm of the Internet protocols: IP is designed to be independent of the underlying technology. The success of the Internet technology is largely attributed to such principles. As a consequence of these principles, IP subnets do not ...
ITE PC v4.0 Chapter 1
... connected It is designed to allow the devices to auto-configure their connections If an attacker is listening to CDP messages, it could learn important information such as device model, version of software running Cisco recommends disabling CDP when not in use ...
... connected It is designed to allow the devices to auto-configure their connections If an attacker is listening to CDP messages, it could learn important information such as device model, version of software running Cisco recommends disabling CDP when not in use ...
ch4
... Can improve performance if available CN5E by Tanenbaum & Wetherall, © Pearson Education-Prentice Hall and D. Wetherall, 2011 ...
... Can improve performance if available CN5E by Tanenbaum & Wetherall, © Pearson Education-Prentice Hall and D. Wetherall, 2011 ...
NATIONAL OPEN UNIVERSITY OF NIGERIA SCHOOL OF SCIENCE AND TECHNOLOGY 1
... together. A wireless network connects computers without a hub or network cables but use radio communications to send data between each other. Networking allows you to share resources among a group of computer users. If you have a printer connected to your computer, you can share the printer with oth ...
... together. A wireless network connects computers without a hub or network cables but use radio communications to send data between each other. Networking allows you to share resources among a group of computer users. If you have a printer connected to your computer, you can share the printer with oth ...
Misbehaving TCP Receivers Can Cause Internet-Wide Congestion Collapse Rob Sherwood Bobby Bhattacharjee
... It is not immediately clear how much traffic is necessary to adversely affect the wide-area Internet. One data point is the traffic generated from the Slammer/Sapphire worm. In [14], Moore et al. used sampling techniques to estimate the peak global worm traffic at approximately 80 million packets pe ...
... It is not immediately clear how much traffic is necessary to adversely affect the wide-area Internet. One data point is the traffic generated from the Slammer/Sapphire worm. In [14], Moore et al. used sampling techniques to estimate the peak global worm traffic at approximately 80 million packets pe ...
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.