Multifaceted Approach to Understanding the Botnet Phenomenon
... They present the SYN packets number in comparison with the SYN packets generated only by the botnet, over the time. The peak values for them are aligned and in this period the botnet usually generates the 90% of the cumulative traffic ...
... They present the SYN packets number in comparison with the SYN packets generated only by the botnet, over the time. The peak values for them are aligned and in this period the botnet usually generates the 90% of the cumulative traffic ...
CISSP Common Body of Knowledge
... – Size of IV (24-bit) + – Shared static symmetric key (40-bit or 104-bit) – Hacker can collect enough frames in same IV and find out the symmetric key (i.e. related key attack) ...
... – Size of IV (24-bit) + – Shared static symmetric key (40-bit or 104-bit) – Hacker can collect enough frames in same IV and find out the symmetric key (i.e. related key attack) ...
Public Presentation - Academic Conferences
... Vendor downloadable product subverted “Cracker gained user-level access to modify the download file. . . . you pray never happens, but it did.” – WordPress, reported on wordpress.org, March 2, 2007 ...
... Vendor downloadable product subverted “Cracker gained user-level access to modify the download file. . . . you pray never happens, but it did.” – WordPress, reported on wordpress.org, March 2, 2007 ...
ppt
... measure signal strength on the line, or code violations, or compare tx and receive signals Collision detection cannot be done in wireless LANs (the receiver is shut off while transmitting, to avoid damaging it with excess power) CSMA/CD can approach channel utilization =1 in LANs (low ratio of propa ...
... measure signal strength on the line, or code violations, or compare tx and receive signals Collision detection cannot be done in wireless LANs (the receiver is shut off while transmitting, to avoid damaging it with excess power) CSMA/CD can approach channel utilization =1 in LANs (low ratio of propa ...
Chapter 6 slides, Computer Networking, 3rd edition
... access of data frames: avoid collisions of long data frames sender first transmits small request-to-send (RTS) packets to BS using CSMA RTSs may still collide with each other (but they’re short) ...
... access of data frames: avoid collisions of long data frames sender first transmits small request-to-send (RTS) packets to BS using CSMA RTSs may still collide with each other (but they’re short) ...
What is a process? - Fairleigh Dickinson University
... • Wi-Fi equipped computers can connect to any “hotspot” – Some ISPs offer hotspot service plans • Not interchangeable ...
... • Wi-Fi equipped computers can connect to any “hotspot” – Some ISPs offer hotspot service plans • Not interchangeable ...
IPV6 - Workshops
... identify these packets and handle them in a similar fashion. Payload length - Previously the total length field in IPv4, the payload length field specifies the length of the IPv6 payload. Next header - Previously the protocol field in IPv4, the Next Header field indicates the next extension header t ...
... identify these packets and handle them in a similar fashion. Payload length - Previously the total length field in IPv4, the payload length field specifies the length of the IPv6 payload. Next header - Previously the protocol field in IPv4, the Next Header field indicates the next extension header t ...
Networks - Dr. Ramesh R. Manza
... 5) Session: Handle problems which are not communication issues 4) Transport: Provides end to end communication control 3) Network: Routes the information in the network 2) Data Link: Provides error control between adjacent nodes 1) Physical: Connects the entity to the transmission media ...
... 5) Session: Handle problems which are not communication issues 4) Transport: Provides end to end communication control 3) Network: Routes the information in the network 2) Data Link: Provides error control between adjacent nodes 1) Physical: Connects the entity to the transmission media ...
Discovering Computers Fundamentals, 2012 Edition Your Interactive Guide
... • Bluetooth defines how two Bluetooth devices use shortrange radio waves to transmit data • UWB (ultra-wideband) specifies how two UWB devices use short-range radio waves to communicate at high speeds • IrDA transmits data wirelessly via infrared (IR) light waves • RFID uses radio signals to communi ...
... • Bluetooth defines how two Bluetooth devices use shortrange radio waves to transmit data • UWB (ultra-wideband) specifies how two UWB devices use short-range radio waves to communicate at high speeds • IrDA transmits data wirelessly via infrared (IR) light waves • RFID uses radio signals to communi ...
CS 456: Computer Networks: Congestion Control/QoS
... Transmission delay may increase with congestion Packet may be discarded Source can detect these as implicit indications of congestion Useful on connectionless (datagram) networks ...
... Transmission delay may increase with congestion Packet may be discarded Source can detect these as implicit indications of congestion Useful on connectionless (datagram) networks ...
PDF
... propagation range is in limit, every mobile node has information in limit, such as its own ID and the Medium Access Control (MAC) address of its onehop neighbors. Therefore, if two nodes are not in the radio propagation range, a multi-hop, via one or more intermediate nodes, is needed to forward pac ...
... propagation range is in limit, every mobile node has information in limit, such as its own ID and the Medium Access Control (MAC) address of its onehop neighbors. Therefore, if two nodes are not in the radio propagation range, a multi-hop, via one or more intermediate nodes, is needed to forward pac ...
3rd Edition: Chapter 4 - Southern Adventist University
... B wants to force C to route to w via A B wants to route only to/from its customers! ...
... B wants to force C to route to w via A B wants to route only to/from its customers! ...
Computer and System Logging Policy
... 3. Scope This policy applies to all [LEP] staff that create, deploy, or support application and system software. ...
... 3. Scope This policy applies to all [LEP] staff that create, deploy, or support application and system software. ...
transport layer
... • “no frills,” “bare bones” Internet transport protocol • “best effort” service, UDP segments may be: – lost – delivered out of order to app • connectionless: – no handshaking between UDP sender, receiver – each UDP segment handled independently of others ...
... • “no frills,” “bare bones” Internet transport protocol • “best effort” service, UDP segments may be: – lost – delivered out of order to app • connectionless: – no handshaking between UDP sender, receiver – each UDP segment handled independently of others ...
Network Simulator ns-2
... $ns_ at 33.0 "$node_(0) setdest 89.7 283.5 19.2“ $ns_ at 51.0 "$node_(1) setdest 221.8 80.9 14.9" $ns_ at 50.0 "$node_(2) setdest 369.5 170.5 3.4" ...
... $ns_ at 33.0 "$node_(0) setdest 89.7 283.5 19.2“ $ns_ at 51.0 "$node_(1) setdest 221.8 80.9 14.9" $ns_ at 50.0 "$node_(2) setdest 369.5 170.5 3.4" ...
WelcometoCISandCybercorps
... Safety, reliability and security. Specification of mission critical system properties. Software and hardware validation, verification and certification. Enterprise Security Management: Security architecture design and implementation methodologies for enterprises. Risk management, policy development, ...
... Safety, reliability and security. Specification of mission critical system properties. Software and hardware validation, verification and certification. Enterprise Security Management: Security architecture design and implementation methodologies for enterprises. Risk management, policy development, ...
PPT_692430028
... enhanced applications can be enabled. – take advantage of the fact that the end user is always connected through a low-speed cellular network and sometimes connected through a high-speed WLAN. – EX: a mobile email application that schedules the delivery of large files when the mobile is connected to ...
... enhanced applications can be enabled. – take advantage of the fact that the end user is always connected through a low-speed cellular network and sometimes connected through a high-speed WLAN. – EX: a mobile email application that schedules the delivery of large files when the mobile is connected to ...
Chapter 6 slides, Computer Networking, 3rd edition
... host: must associate with an AP scans channels, listening for beacon frames containing AP’s name (SSID) and MAC address selects AP to associate with may perform authentication [Chapter 8] will typically run DHCP to get IP address in AP’s ...
... host: must associate with an AP scans channels, listening for beacon frames containing AP’s name (SSID) and MAC address selects AP to associate with may perform authentication [Chapter 8] will typically run DHCP to get IP address in AP’s ...
1 Computer network technology
... (b) Household local area network ................................................................................... 19 (c) Short distance wireless communication protocol ...................................................... 19 (i) Connecting network transceiver..................................... ...
... (b) Household local area network ................................................................................... 19 (c) Short distance wireless communication protocol ...................................................... 19 (i) Connecting network transceiver..................................... ...
Follow this link to lec1d handout
... network (or multiple networks) using static or dynamic routing algorithms Controlling congestion in the network Accounting functions (for billing) Translating between protocols across heterogeneous networks Concerned with Addressing ...
... network (or multiple networks) using static or dynamic routing algorithms Controlling congestion in the network Accounting functions (for billing) Translating between protocols across heterogeneous networks Concerned with Addressing ...
Lecture 6 - Aerobic Suspended Growth
... maintain, and deactivate physical links that transparently pass the bit stream for communication; only recognizes individual bits (not characters nor frames) and provides bit synchronization; peer-to-peer. Data link layer: provides functional and procedural means to transfer data between network ent ...
... maintain, and deactivate physical links that transparently pass the bit stream for communication; only recognizes individual bits (not characters nor frames) and provides bit synchronization; peer-to-peer. Data link layer: provides functional and procedural means to transfer data between network ent ...
Guide on Information Technology Security
... Communication is essential for us to achieve our business goals and the Internet is fast becoming one of the essential tools to exchange information. Electronic means to transfer files, such as electronic mail and the World Wide Web, have allowed the development of cooperation between scientists and ...
... Communication is essential for us to achieve our business goals and the Internet is fast becoming one of the essential tools to exchange information. Electronic means to transfer files, such as electronic mail and the World Wide Web, have allowed the development of cooperation between scientists and ...
