Symantec Enterprise Firewalls
... packets. – If a VPN session is active, the proxy-secured, VPN technology decrypts the packet and drops it into the data stream. Next, the firewall performs session checks at the circuit layer and once again, drops and logs bad packets. The integrated intrusion prevention and intrusion detection tech ...
... packets. – If a VPN session is active, the proxy-secured, VPN technology decrypts the packet and drops it into the data stream. Next, the firewall performs session checks at the circuit layer and once again, drops and logs bad packets. The integrated intrusion prevention and intrusion detection tech ...
Chapter 15 Local Area Networks
... • As number of devices in building grows, layer 2 switches reveal some inadequacies • Broadcast overload • Lack of multiple links • Set of devices and LANs connected by layer 2 switches have flat address space — All users share common MAC broadcast address — If any device issues broadcast frame, tha ...
... • As number of devices in building grows, layer 2 switches reveal some inadequacies • Broadcast overload • Lack of multiple links • Set of devices and LANs connected by layer 2 switches have flat address space — All users share common MAC broadcast address — If any device issues broadcast frame, tha ...
Principals of Information Security, Fourth Edition
... – Frequently installed on a dedicated computer; also known as a proxy server – Since proxy server is often placed in unsecured area of the network (e.g., DMZ), it is exposed to higher levels of risk from less trusted networks – Additional filtering routers can be implemented behind the proxy server, ...
... – Frequently installed on a dedicated computer; also known as a proxy server – Since proxy server is often placed in unsecured area of the network (e.g., DMZ), it is exposed to higher levels of risk from less trusted networks – Additional filtering routers can be implemented behind the proxy server, ...
Brochure
... airPoint XO2 is a dual-radio access point that offers all the features of the airPoint XO including Bandwidth Management, Advanced Networking and Carrier Class Features. In addition, modular control of the two radios enables many different configurations. The airPoint XO2 can be used in high perform ...
... airPoint XO2 is a dual-radio access point that offers all the features of the airPoint XO including Bandwidth Management, Advanced Networking and Carrier Class Features. In addition, modular control of the two radios enables many different configurations. The airPoint XO2 can be used in high perform ...
3rdEditionChapter1 - Department of Computer Engineering
... How long does it take to send a file of 640,000 bits from host A to host B over a circuit-switched network? ...
... How long does it take to send a file of 640,000 bits from host A to host B over a circuit-switched network? ...
HPNA 2.0 10 Mbps Home Phoneline Networking
... channels where half of the spectrum is nulled out, one copy of the signal will still make it through. Quantifying the performance of FDQAM versus QAM on arbitrary channels is more complicated, and this analysis is not included here. It can be shown, however, that on channels with low SNR where a lar ...
... channels where half of the spectrum is nulled out, one copy of the signal will still make it through. Quantifying the performance of FDQAM versus QAM on arbitrary channels is more complicated, and this analysis is not included here. It can be shown, however, that on channels with low SNR where a lar ...
Unit-1 - Ipemgzb.ac.in
... take on continuous values on some interval. Typical examples of analog data are voice and video. The data that are collected from the real world with the help of transducers are continuous-valued or analog in nature. Digital data take on discrete values. Text or character strings can be considered a ...
... take on continuous values on some interval. Typical examples of analog data are voice and video. The data that are collected from the real world with the help of transducers are continuous-valued or analog in nature. Digital data take on discrete values. Text or character strings can be considered a ...
Chapter 8 – Hardware, Software and Communications
... • Domain name – name of company or key word or phrase • Top-level domain (TLD) – describes type of organization that owns the domain name – com and org are widely used examples ...
... • Domain name – name of company or key word or phrase • Top-level domain (TLD) – describes type of organization that owns the domain name – com and org are widely used examples ...
Link Layer: CPSC 441
... another physically-connected interface (same network) 48 bit MAC address (for most LANs) burned in the adapter ROM ...
... another physically-connected interface (same network) 48 bit MAC address (for most LANs) burned in the adapter ROM ...
ROBOTICS An Introduction
... receiver into synchronization with the clock in the transmitter. These two clocks must be accurate enough to not have the frequency drift by more than 10% during the transmission of the remaining bits in the word. After the Start Bit, the individual bits of the word of data are sent, with the Least ...
... receiver into synchronization with the clock in the transmitter. These two clocks must be accurate enough to not have the frequency drift by more than 10% during the transmission of the remaining bits in the word. After the Start Bit, the individual bits of the word of data are sent, with the Least ...
A History of Computing
... Early algorithms for searching sequence data depended on consensus sequences. Thus, to find a prokaryotic promoter, one would try to find something that matched a consensus -10 sequence (TATAAT), not too far downstream of a consensus -35 sequence (TTGACA). It rapidly became clear that biologically s ...
... Early algorithms for searching sequence data depended on consensus sequences. Thus, to find a prokaryotic promoter, one would try to find something that matched a consensus -10 sequence (TATAAT), not too far downstream of a consensus -35 sequence (TTGACA). It rapidly became clear that biologically s ...
File - Sharma Dhillon
... multiple transmitters with multiple receivers. Data transmission between this link is called broadcast transmission. Sends signal to all direction, all receivers whether they use it or not. They are simple & quick to implement Ex: TV stations transmitting signal from its tower to thousand of h ...
... multiple transmitters with multiple receivers. Data transmission between this link is called broadcast transmission. Sends signal to all direction, all receivers whether they use it or not. They are simple & quick to implement Ex: TV stations transmitting signal from its tower to thousand of h ...
MOBILE/WIRELESS NETWORKS
... Solves issue with topologically correct sender addresses Still inefficient since all packets (forward and reverse) go through home agent ...
... Solves issue with topologically correct sender addresses Still inefficient since all packets (forward and reverse) go through home agent ...
FlowScan - LIVE! A Network Traffic Reporting and Visualization Tool
... Traffic Policing Hard policing causes an immediate drop of the packet, which causes retransmissions. Soft policing is the ability to defer the decision about whether or not to drop a given packet until that packet reaches a downstream router which is better informed as to whether or not congestion c ...
... Traffic Policing Hard policing causes an immediate drop of the packet, which causes retransmissions. Soft policing is the ability to defer the decision about whether or not to drop a given packet until that packet reaches a downstream router which is better informed as to whether or not congestion c ...
Chapter4_VPN-2
... Encryption and authentication algorithms Key lifetime (sets the amount of time and/or byte count that a key is valid for; the longer the time, the more vulnerable your data is) Lecturer : Trần Thị Ngọc Hoa ...
... Encryption and authentication algorithms Key lifetime (sets the amount of time and/or byte count that a key is valid for; the longer the time, the more vulnerable your data is) Lecturer : Trần Thị Ngọc Hoa ...
Intrusion Detection System (IDS)
... > e.g. a switch that changes to hub mode can indicate an eavesdropping attack ...
... > e.g. a switch that changes to hub mode can indicate an eavesdropping attack ...
GPSR: Greedy Perimeter Stateless Routing for Wireless Networks
... Planarized Graphs. A Planar is a graph where no two edges cross. Fig 3 is an example of how perimeter forwarding works [6]. Putting it all together: Finally, combining the Greedy and Planar Perimeters gives us the full GPSR algorithm which incorporates the greedy forwarding algorithm on the full net ...
... Planarized Graphs. A Planar is a graph where no two edges cross. Fig 3 is an example of how perimeter forwarding works [6]. Putting it all together: Finally, combining the Greedy and Planar Perimeters gives us the full GPSR algorithm which incorporates the greedy forwarding algorithm on the full net ...
Title Slide First Line Title Slide Second Line
... • Informed by our membership • Agenda set by our governance mechanisms ...
... • Informed by our membership • Agenda set by our governance mechanisms ...