a vivacious approach to detect and prevent ddos attack
... Suratose Tritilanunt et al. [10] provide a detection mechanism based on a technique of entropy-based input-output traffic mode detection scheme. The experimental results demonstrate that our approach is able to detect several kinds of denial-ofservice attacks, even small spike of such attacks. To mi ...
... Suratose Tritilanunt et al. [10] provide a detection mechanism based on a technique of entropy-based input-output traffic mode detection scheme. The experimental results demonstrate that our approach is able to detect several kinds of denial-ofservice attacks, even small spike of such attacks. To mi ...
Lecture04: Network Layer Security
... At the core of the Windows authentication scheme lies the 'User' administrative unit. When we create users, we assign them rights, privileges, and policy restrictions to define what they can and can't do on our networks. But in addition to the standard User, Windows supports a special type of ...
... At the core of the Windows authentication scheme lies the 'User' administrative unit. When we create users, we assign them rights, privileges, and policy restrictions to define what they can and can't do on our networks. But in addition to the standard User, Windows supports a special type of ...
ICND -1 Interconnecting Cisco Networking
... Short for Wired Equivalent Privacy, a security protocol for wireless local area networks (WLANs) defined in the 802.11b standard. WEP is designed to provide the same level of security as that of a wired LAN. LANs are inherently more secure than WLANs because LANs are somewhat protected by the physic ...
... Short for Wired Equivalent Privacy, a security protocol for wireless local area networks (WLANs) defined in the 802.11b standard. WEP is designed to provide the same level of security as that of a wired LAN. LANs are inherently more secure than WLANs because LANs are somewhat protected by the physic ...
lecture3
... Digital Technology • It uses numbers to record and process information – Inside a computer, all information is represented by numbers • Analog-to-digital conversion: ADC • Digital-to-analog conversion: DAC ...
... Digital Technology • It uses numbers to record and process information – Inside a computer, all information is represented by numbers • Analog-to-digital conversion: ADC • Digital-to-analog conversion: DAC ...
20070228-IMSP2P-Paris
... • End-to-end communication not possible between endpoints • Innovation possible and allowed only in the network core • Complexity. 12 components with at least 22 interfaces. Adrian Georgescu ...
... • End-to-end communication not possible between endpoints • Innovation possible and allowed only in the network core • Complexity. 12 components with at least 22 interfaces. Adrian Georgescu ...
SDN and Virtualization
... Arbitrary network topologies and addressing architectures could be overlayed over the same physical network. Network virtualization: not clear what it is a network virtualization layer allows for the creation of virtual networks, each with independent service models, topologies, and addressing ...
... Arbitrary network topologies and addressing architectures could be overlayed over the same physical network. Network virtualization: not clear what it is a network virtualization layer allows for the creation of virtual networks, each with independent service models, topologies, and addressing ...
pptx - University of Cambridge Computer Laboratory
... • LS: each node learns the complete network map; each node computes shortest paths independently and in parallel • DV: no node has the complete picture; nodes cooperate to compute shortest paths in a distributed manner ...
... • LS: each node learns the complete network map; each node computes shortest paths independently and in parallel • DV: no node has the complete picture; nodes cooperate to compute shortest paths in a distributed manner ...
Windows Server 2008 - Information Technology of Falcon
... – Adjustable transmit power: Lets you control the power and range of the wireless network signal – Multiple SSIDs: Two or more wireless networks can be created with different security settings – VLAN support: To assign wireless networks to wired VLANs – Traffic priority: If your AP is configured for ...
... – Adjustable transmit power: Lets you control the power and range of the wireless network signal – Multiple SSIDs: Two or more wireless networks can be created with different security settings – VLAN support: To assign wireless networks to wired VLANs – Traffic priority: If your AP is configured for ...
Slides for Chapter 3: Networking and Internetworking
... errors are usually timing failures, the receiver doesn't have resources to handle the messages ...
... errors are usually timing failures, the receiver doesn't have resources to handle the messages ...
General
... can express preference of one set of resources over other These preferences can be codified as utility function Best way to think about utility functions is that they may allow us to come up with a mathematical formulation of the traffic management problem that gives some insight ...
... can express preference of one set of resources over other These preferences can be codified as utility function Best way to think about utility functions is that they may allow us to come up with a mathematical formulation of the traffic management problem that gives some insight ...
Hacking Part 1
... C:\> snmputil walk public
C:\> snmputil walk 10.10.0.2 public .1.3.6.1.4.1.77.1.2.25
Can provide usernames, OS version, share names/paths, running services,
etc.
Countermeasures:
Block TCP/UDP 161 at network perimeter
Use an excellent password
Disable SNMP if not require ...
... C:\> snmputil walk
Designing Converged Networks
... – Accounts can be held ( who, when, where ) • Log files can record various session data, packet counts, session durations, user names. • Information can be used for billing ...
... – Accounts can be held ( who, when, where ) • Log files can record various session data, packet counts, session durations, user names. • Information can be used for billing ...
ppt
... transmitted to client streaming: client playout begins before all data has arrived timing constraint for still-to-be ...
... transmitted to client streaming: client playout begins before all data has arrived timing constraint for still-to-be ...
Mobility Models and Traces
... What is new? • The differentiation of “having the intention to use wireless network” v.s. “just turning on the computer” • The capability to analyze the data at “device level (MAC address)” and “user level (Gatorlink ID)” • Getting the trace at “almost real time” • Traffic summary with location inf ...
... What is new? • The differentiation of “having the intention to use wireless network” v.s. “just turning on the computer” • The capability to analyze the data at “device level (MAC address)” and “user level (Gatorlink ID)” • Getting the trace at “almost real time” • Traffic summary with location inf ...
Dynamic Routing - Department of Computer Technology and
... Essipacially prefered by the companies Protocols carry voice and data Use some devices such as Gateway, IP router ADC(analog to digital converter) DAC (digital to anlaog converter) ...
... Essipacially prefered by the companies Protocols carry voice and data Use some devices such as Gateway, IP router ADC(analog to digital converter) DAC (digital to anlaog converter) ...
TCP, Performance and Delay
... • Packet layout is an important consideration in gigabit networks. • The maximum data size should be large, to reduce software overhead and permit efficient operation. • Feedback should be avoided: it takes to long for the receiver to signal the sender. ...
... • Packet layout is an important consideration in gigabit networks. • The maximum data size should be large, to reduce software overhead and permit efficient operation. • Feedback should be avoided: it takes to long for the receiver to signal the sender. ...
CCNA Fast Track - K C Communications
... Therefore the largest Ethernet frame size should be 1518 bytes and the minimum frame size should be 64 bytes in order to stay within the Ethernet specification and be able to detect a collision. The frame size was extended to 1522 bytes by a IEEE 802.3 committee workgroup (802.3ac) to support VLAN t ...
... Therefore the largest Ethernet frame size should be 1518 bytes and the minimum frame size should be 64 bytes in order to stay within the Ethernet specification and be able to detect a collision. The frame size was extended to 1522 bytes by a IEEE 802.3 committee workgroup (802.3ac) to support VLAN t ...
Cutting Edge VoIP Security Issues Color
... Fuzzing describes attacks where malformed packets are sent to a VoIP system in an attempt to crash it Research has shown that VoIP systems, especially those employing SIP, are vulnerable to fuzzing attacks There are many public domain tools available for fuzzing: ...
... Fuzzing describes attacks where malformed packets are sent to a VoIP system in an attempt to crash it Research has shown that VoIP systems, especially those employing SIP, are vulnerable to fuzzing attacks There are many public domain tools available for fuzzing: ...
110-u06-2014
... Cloud computing depends on a grid of servers, storage devices, and protocols that offer Internetaccessible computing services ranging from consumer-level media sharing to office productivity applications and complex corporate data processing Software as a Service (SaaS) ...
... Cloud computing depends on a grid of servers, storage devices, and protocols that offer Internetaccessible computing services ranging from consumer-level media sharing to office productivity applications and complex corporate data processing Software as a Service (SaaS) ...
CG21532537
... information while maintaining the good performance of the content distribution system. Under these conditions, each node takes decisions according to its perception of what nearby users may store in their caches and with the aim of differentiating its own cache content from the other nodes’. Our sys ...
... information while maintaining the good performance of the content distribution system. Under these conditions, each node takes decisions according to its perception of what nearby users may store in their caches and with the aim of differentiating its own cache content from the other nodes’. Our sys ...
Internet QoS
... – By ISPs to offer differenciated services – By Internet backbone providers to achieve specific network performance – By IT departments to prioritize traffic ...
... – By ISPs to offer differenciated services – By Internet backbone providers to achieve specific network performance – By IT departments to prioritize traffic ...
Quidway® S3900 Series Switches
... and MAC address-based authentication. In this case, the MAC address becomes a trusted Mac address. The 802.1x trusted MAC Address synchronization function propagates the trusted MAC addresses in IRF (intelligent resilient framework) if the corresponding supplicant systems pass the authentication per ...
... and MAC address-based authentication. In this case, the MAC address becomes a trusted Mac address. The 802.1x trusted MAC Address synchronization function propagates the trusted MAC addresses in IRF (intelligent resilient framework) if the corresponding supplicant systems pass the authentication per ...
Chapter 7 Lecture Presentation
... Determine output port (next hop) and insert VCI for next link Very high speeds are possible Table can also include priority or other information about how packet should be treated ...
... Determine output port (next hop) and insert VCI for next link Very high speeds are possible Table can also include priority or other information about how packet should be treated ...
Service Convergence over TDM Access Networks using
... © Copyright 2007 Turin Networks, Inc. All rights reserved. www.TurinNetworks.com ...
... © Copyright 2007 Turin Networks, Inc. All rights reserved. www.TurinNetworks.com ...