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ECE/CS 4984: Lecture 11
... ● Virtual private networks (VPNs) ■ Enable end-to-end security (authentication and, optionally, privacy) for a single (mobile) host connecting to a private network over untrusted (public) intermediate networks ■ Enable security for private network-to-network communication over untrusted intermediate ...
... ● Virtual private networks (VPNs) ■ Enable end-to-end security (authentication and, optionally, privacy) for a single (mobile) host connecting to a private network over untrusted (public) intermediate networks ■ Enable security for private network-to-network communication over untrusted intermediate ...
Leading edge technologies in the HEAnet network - Redbrick
... If the router cannot connect to the main webserver it will redirect queries to standby Continues to initiate connections to main webserver and reverts back to it when the webserver recovers In HEAnet CDD is simply set-up to telnet to webserver on port 80. If it receives a response it considers the w ...
... If the router cannot connect to the main webserver it will redirect queries to standby Continues to initiate connections to main webserver and reverts back to it when the webserver recovers In HEAnet CDD is simply set-up to telnet to webserver on port 80. If it receives a response it considers the w ...
Chapter 14
... – Users must be trained to update their antivirus software daily or, at a bare minimum, weekly – Users also must learn how viruses are transmitted between computers – Teach users to scan removable devices with the virus scanning software before using them ...
... – Users must be trained to update their antivirus software daily or, at a bare minimum, weekly – Users also must learn how viruses are transmitted between computers – Teach users to scan removable devices with the virus scanning software before using them ...
Thin client networking - UK Government Web Archive
... allow peripheral devices to join the network, though most do not. Therefore integration of devices such as digital cameras or video equipment may not be possible. Poor multimedia performance Graphics intensive applications or multimedia programs which require high levels of processing may not work ...
... allow peripheral devices to join the network, though most do not. Therefore integration of devices such as digital cameras or video equipment may not be possible. Poor multimedia performance Graphics intensive applications or multimedia programs which require high levels of processing may not work ...
TL-WR642G 108M Wireless Router - TP-Link
... The TL-WR642G 108Mbps Wireless Router will allow you to connect your network wirelessly better than ever, sharing Internet Access, files and fun, easily and securely. In the most attentive wireless security, the TL-WR642G 108Mbps Wireless Router provides multiple protection measures. It can be set t ...
... The TL-WR642G 108Mbps Wireless Router will allow you to connect your network wirelessly better than ever, sharing Internet Access, files and fun, easily and securely. In the most attentive wireless security, the TL-WR642G 108Mbps Wireless Router provides multiple protection measures. It can be set t ...
Thin client networking - UK Government Web Archive
... allow peripheral devices to join the network, though most do not. Therefore integration of devices such as digital cameras or video equipment may not be possible. Poor multimedia performance • Graphics intensive applications or multimedia programs which require high levels of processing may not work ...
... allow peripheral devices to join the network, though most do not. Therefore integration of devices such as digital cameras or video equipment may not be possible. Poor multimedia performance • Graphics intensive applications or multimedia programs which require high levels of processing may not work ...
Junos Pulse Access Control Service
... and centralize network policy management. It integrates with the intrusion prevention system (IPS) capabilities of the SRX Series gateways for both data center and branch, as well as the standalone Juniper Networks IDP Series Intrusion Detection and Prevention Appliances, to deliver broad applicatio ...
... and centralize network policy management. It integrates with the intrusion prevention system (IPS) capabilities of the SRX Series gateways for both data center and branch, as well as the standalone Juniper Networks IDP Series Intrusion Detection and Prevention Appliances, to deliver broad applicatio ...
Web URL Filter
... • AntiVirus, AntiSpam, Webfilter increase productivity and filter threats before they even enter my network. • IPS looks inside allowed traffic and searches for Virus patterns or blocks specific applications (Peer-To-Peer, Chat etc.) © 2010 Cisco and/or its affiliates. All rights reserved. ...
... • AntiVirus, AntiSpam, Webfilter increase productivity and filter threats before they even enter my network. • IPS looks inside allowed traffic and searches for Virus patterns or blocks specific applications (Peer-To-Peer, Chat etc.) © 2010 Cisco and/or its affiliates. All rights reserved. ...
X31-20050926-029 R2 QCOM 3GPP2 Packet Data Network
... • Simpler CAP-LMHA interface – Air interface changes do not affect LMHA, so no development impact of air interface enhancements – No tight coupling for signaling such as flow control – LMHA becomes a general purpose router => cost effective ...
... • Simpler CAP-LMHA interface – Air interface changes do not affect LMHA, so no development impact of air interface enhancements – No tight coupling for signaling such as flow control – LMHA becomes a general purpose router => cost effective ...
manet-intro
... able to promulgate a widely deployed ad hoc networking protocol), ad hoc networks will gain momentum only gradually because users will have to load software or take additional steps to ensure interoperability. ...
... able to promulgate a widely deployed ad hoc networking protocol), ad hoc networks will gain momentum only gradually because users will have to load software or take additional steps to ensure interoperability. ...
A Context-Aware Cross-Layer Broadcast Model
... Broadcasting is a core communication method for ad hoc networks and is useful under a wide range of network conditions. Ad hoc networks may be composed of static sensors, low-mobility pedestrians, high-mobility vehicles, or combinations thereof. Communication may be primarily one-to-one, one-to-many ...
... Broadcasting is a core communication method for ad hoc networks and is useful under a wide range of network conditions. Ad hoc networks may be composed of static sensors, low-mobility pedestrians, high-mobility vehicles, or combinations thereof. Communication may be primarily one-to-one, one-to-many ...
Cellular IP: A New Approach to Internet Host Mobility
... is needed in each office or office floor. On the other hand, Cellular IP can also be implemented on top of regular IP routers to allow for easy migration from existing installations. Another key design consideration is scalability. The Cellular IP distributed location management makes it possible to ...
... is needed in each office or office floor. On the other hand, Cellular IP can also be implemented on top of regular IP routers to allow for easy migration from existing installations. Another key design consideration is scalability. The Cellular IP distributed location management makes it possible to ...
Framework
... So firewalls must have the capacity to handle the traffic Some can handle normal traffic but cannot handle traffic during heavy attacks Need to regularly check firewalls logs: ...
... So firewalls must have the capacity to handle the traffic Some can handle normal traffic but cannot handle traffic during heavy attacks Need to regularly check firewalls logs: ...
Re-ECN - Bob Briscoe
... nets that allow their users to cause congestion in other nets, can be held accountable ...
... nets that allow their users to cause congestion in other nets, can be held accountable ...
Patterson Software Installation Guide
... At least one computer, also known as a workstation or client, that will access the shared resources ...
... At least one computer, also known as a workstation or client, that will access the shared resources ...
DSL-G624T Wireless ADSL Router User Guide
... been disabled by other software (such as virus protection or web user security packages) that may be running on your computer. ...
... been disabled by other software (such as virus protection or web user security packages) that may be running on your computer. ...
Applet - Personal.kent.edu
... allows or rejects the incoming and outgoing requests. This “security guard” can be very particular in allowing and disallowing information from moving from one point to another even within a LAN. Port assignments can even be restricted, i.e., allowing only one user access to an FTP (file transfer po ...
... allows or rejects the incoming and outgoing requests. This “security guard” can be very particular in allowing and disallowing information from moving from one point to another even within a LAN. Port assignments can even be restricted, i.e., allowing only one user access to an FTP (file transfer po ...
3rd Edition, Chapter 5
... encapsulate datagram into frame, adding header, trailer channel access if shared medium “MAC” addresses used in frame headers to identify source, dest • different from IP address! ...
... encapsulate datagram into frame, adding header, trailer channel access if shared medium “MAC” addresses used in frame headers to identify source, dest • different from IP address! ...
(DTN) Program
... DTN networks adapt to changing network topologies • Storage configures itself around paths thru the (intermittent) network • Self-forming Akamais for content distribution in response to network demands • Caching as a result of delay-bandwidth product discontinuities ...
... DTN networks adapt to changing network topologies • Storage configures itself around paths thru the (intermittent) network • Self-forming Akamais for content distribution in response to network demands • Caching as a result of delay-bandwidth product discontinuities ...
WAN_Unit_7-FRelay
... Almost all North American frame relay implementations use local significant DLCI assignment method The Command/Response (C/R) bit is not used at this time The Forward Explicit Congestion Notification (FECN) bit is a toggle that tells the remote user that network congestion was encountered by t ...
... Almost all North American frame relay implementations use local significant DLCI assignment method The Command/Response (C/R) bit is not used at this time The Forward Explicit Congestion Notification (FECN) bit is a toggle that tells the remote user that network congestion was encountered by t ...
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.