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E-Safety Policy 2014
E-Safety Policy 2014

... the filter or by adding material to the list. This is essential as there are issues with any automatic filtering system – the RM SafetyNet Plus system is no different: it is often blocking educationally sound sites due to the over-reliance on certain keywords that the filtering system cannot recogni ...
ICMP Nuke Attack
ICMP Nuke Attack

...  Flood target with ping traffic and use up all available bandwidth  Smurf exploits ICMP by sending a spoofed ping packet to the broadcast address and has the source address listed as the victim  In 2002, an attacks was launched against core DNS servers. They had ping enabled  Results in a large ...
Chapter 4 - Elsevier
Chapter 4 - Elsevier

... networks (they are usually called service provider networks, and they are operated by private companies rather than the government) Sites are connected to each other in arbitrary ways ...
Portfolio - Department of Electrical Communication Engineering
Portfolio - Department of Electrical Communication Engineering

... Pradeepa B. K. and Joy Kuri, “ Aggregate AP Throughputs for Long File Transfers in a WLAN controlled by Inhomogeneous TCP Connections”, in the Proceedings of the International Conference on Communications and Signal Processing, February 10-12, 2011, National Institute of Technology, Calicut. Pradeep ...
ppt
ppt

... - 4 bits in DS field (belong to former TOS) - 13 bits by reusing fragment offset ...
2.5.1.1 Proactive routing algorithm
2.5.1.1 Proactive routing algorithm

... which the packet came). In addition, the node also sends any new information that resulted from the merging of the information provided by the update packet. The updates sent out in this case, by nodes resulting from a change, can be of two types that is either a full update or a partial update. In ...
EE 400 Communications Networks Lab For Term 021
EE 400 Communications Networks Lab For Term 021

... EE 400 Communications Networks Lab For Term 021 ...
Document
Document

... – But this is all done on top of IP, which is connectionless, so we’ll need to implement quite a bit of extra logic in TCP to get the connection-oriented characteristics out of an underlying connectionless medium ...
Lecture 21
Lecture 21

... NAT really irks a lot in the IP community Violates the IP unique address rule IP is connectionless, NAT creates a connection Must track state ...
Average power consumption breakdown of Wireless Sensor
Average power consumption breakdown of Wireless Sensor

... operating system oriented to WSN applications using constrained hardware. This OS manages the hardware resources and includes different libraries such as network stacks and a file system. Contiki OS’s scheduler manages sleep modes powering down the microprocessor when there is neither processing nee ...
Taking on the Giant (anatomy of an attack)
Taking on the Giant (anatomy of an attack)

... impending block of port TCP/5168 at the campus border, urges sysadmins to remove ServerProtect and upgrade to OfficeScan 8.0 4:48pm – Bryan Boutz updated TM pattern file, scanned the compromised server, and the backdoor was identified and removed. ...
PDF
PDF

... infrastructure for Internet-of-Things applications, including advanced metering infrastructure (AMI), transportation, fleet management, asset tracking, distribution automation, distributed intelligence, and substation automation. The IoT Field Network Director is a scalable, highly secure, modular, ...
ch07
ch07

... • They can also connect different types of cabling. • Router operations involve stripping off the header and trailer of the incoming data link layer frame and then examining the destination address of the network layer packet. The router then builds a new frame around the packet and sends it out ont ...
Efficient Privacy Preserving Protocols for Similarity Join. TUESDAY
Efficient Privacy Preserving Protocols for Similarity Join. TUESDAY

... Bilal Hawashin, Farshad Fotouhi, Traian Marius Truta, William I. Grosky ...
K-1A Final exam study Guide * In relationship to the OSI layer model
K-1A Final exam study Guide * In relationship to the OSI layer model

... * Fine-Tuning EIGRP – To prevents the EIGRP process from over-utilizing a link (low bandwidth connection or slow link) and not allowing enough bandwidth for the routing of normal traffic. – The command to change the percentage of bandwidth used by EIGRP is Router(config-if)#ip bandwidth-percent eig ...
IOSR Journal of Electronics and Communication Engineering (IOSRJECE)
IOSR Journal of Electronics and Communication Engineering (IOSRJECE)

... 1.1 Why Would I Need a Router? For most home users, they may want to set-up a LAN (local Area Network) or WLAN (wireless LAN) and connect all computers to the Internet without having to pay a full broadband subscription service to their ISP for each computer on the network. In many instances, an ISP ...
Lecture 1
Lecture 1

... • You programs need to have an API to deal with the network – Find other computer to send/receive data to – Invoke the routines provides by the OS to use the network – Determine the way in which data will be exchanged • Characters • Binary code ...
Link asymmetry - GIST Networked Computing Systems Laboratory
Link asymmetry - GIST Networked Computing Systems Laboratory

...  Use of data traffic for measurements 13 times more measurement traffic than BAP owing to hybrid approach DEPT. OF INFO. & COMM., GIST ...
Emerging Wireless Standards
Emerging Wireless Standards

... a wireless sensor or meter. Data typically is handled using a beaconing system whereby the sensor wakes up at a set time and checks for the beacon, exchanges data, and goes to sleep. • Intermittent data – either application or external stimulus defined such as a wireless light switch. Data can be ha ...
ppt
ppt

... Computers and Their Users' Privacy”, NYT, 3/2/99 • “... an imminent privacy threat or simply part of the foundation of advanced computer systems” • “Privacy groups argue fiercely that the merger of computers and the Internet has brought the specter of a new surveillance society (anything)” • “...net ...
network of networks
network of networks

... handled independently of preceding or following packets contains destination and source internetwork address may contain processing hints (e.g. QoS tag) no delivery guarantees net may drop, duplicate, or deliver out of order reliability (where needed) is done at higher levels arch - 6 ...
5.3 System-High Interconnections and Virtual Private Networks
5.3 System-High Interconnections and Virtual Private Networks

... protecting DoD information systems. Receiving justifiable attention are application layer mechanisms that offer end-system-to-end-system security services with stronger binding of the end user to applications than has been possible with simple password mechanisms. The problem has been that although ...
RoutingAtTheNetworkL.. - University of Delaware
RoutingAtTheNetworkL.. - University of Delaware

... Split horizon. A router does not report a distance to the neighbor it learned the distance from. Split horizon with poison reverse. If A advertises the best cost to E to B, then B advertises a cost of infinity to E back to A. This only works for loops that involve two nodes. With larger loops, the m ...
Forefront TMG
Forefront TMG

... Forefront TMG 2010 Web Publishing features: Mapping requests to specific internal paths in specific servers Allows authentication and authorization of users at TMG level Allow delegation of user credentials after TMG authentication ...
F41023946
F41023946

... the network among the nodes. Since the nodes are mobile, the network topology may change quickly and MANET acts as a dynamic network topology. Since MANET allows the devices to maintain connection and also to add or remove the node from the network, it can easily used in the military battlefield to ...
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Deep packet inspection

Deep Packet Inspection (DPI, also called complete packet inspection and Information eXtraction or IX) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information. There are multiple headers for IP packets; network equipment only needs to use the first of these (the IP header) for normal operation, but use of the second header (TCP, UDP etc.) is normally considered to be shallow packet inspection (usually called Stateful Packet Inspection) despite this definition.There are multiple ways to acquire packets for deep packet inspection. Using port mirroring (sometimes called Span Port) is a very common way, as well as an optical splitter.Deep Packet Inspection (and filtering) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship. Although DPI technology has been used for Internet management for many years, some advocates of net neutrality fear that the technology may be used anticompetitively or to reduce the openness of the Internet.DPI is used in a wide range of applications, at the so-called ""enterprise"" level (corporations and larger institutions), in telecommunications service providers, and in governments.
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