Lecture 1: Course Introduction and Overview
... • Telephone: operator sets up connection between the caller and the receiver ...
... • Telephone: operator sets up connection between the caller and the receiver ...
A Survey on Network Attacks
... of service attacks, port-scans or even attempts to crack into computers by monitoring network traffic. The NIDS does this by reading all the incoming packets and trying to find suspicious patterns. If, for example, a large number of TCP connection requests to a very large number of different ports a ...
... of service attacks, port-scans or even attempts to crack into computers by monitoring network traffic. The NIDS does this by reading all the incoming packets and trying to find suspicious patterns. If, for example, a large number of TCP connection requests to a very large number of different ports a ...
03_tcom5272_tcpip
... Each router interface must be on a separate subnet Each subnet is its own broadcast domain Routing tables store information about network addresses, not host addresses M. Dahshan - TCOM5272 ...
... Each router interface must be on a separate subnet Each subnet is its own broadcast domain Routing tables store information about network addresses, not host addresses M. Dahshan - TCOM5272 ...
ppt
... the slave stations to transmit their packets (up to a Max). Problems: Request to Send/Clear to Send overhead, latency, single point of failure (Master) (b) Token passing: the control token is passed from one node to the next sequentially. Can alleviate the latency and improve fault tolerance (in a t ...
... the slave stations to transmit their packets (up to a Max). Problems: Request to Send/Clear to Send overhead, latency, single point of failure (Master) (b) Token passing: the control token is passed from one node to the next sequentially. Can alleviate the latency and improve fault tolerance (in a t ...
Data Source Configuration Guide for McAfee Network Security
... McAfee Network Security Manager (NSM) can be added as a Device on McAfee Enterprise Security Manager (ESM) or as a Data Source on a McAfee Event Receiver. This guide details how to configure McAfee Network Security Manager 7.1.3.5 and above to integrate with the ESM as a Device, or to send data in t ...
... McAfee Network Security Manager (NSM) can be added as a Device on McAfee Enterprise Security Manager (ESM) or as a Data Source on a McAfee Event Receiver. This guide details how to configure McAfee Network Security Manager 7.1.3.5 and above to integrate with the ESM as a Device, or to send data in t ...
Security Criteria for Service Delivery Network
... The application MUST be able to allow system administrators to assign specific privileges (i.e., read, write, delete, and update) to system resources and assign them to roles or groups. Administrators SHOULD be able to add user IDs to the roles or groups. ...
... The application MUST be able to allow system administrators to assign specific privileges (i.e., read, write, delete, and update) to system resources and assign them to roles or groups. Administrators SHOULD be able to add user IDs to the roles or groups. ...
Data communications and enterprise networking
... The CIS222 module consists of two distinct parts which correspond to the two volumes of the subject guide. The first part of the course is called ‘Data Communications’ and is an introduction to the terms, concepts and network architectures required to understand how data is transmitted through commun ...
... The CIS222 module consists of two distinct parts which correspond to the two volumes of the subject guide. The first part of the course is called ‘Data Communications’ and is an introduction to the terms, concepts and network architectures required to understand how data is transmitted through commun ...
Performance Evaluation of Real Time Applications for RIP
... HTTP page response time. Standard application definition, profile definition, IP QoS and failurerecovery has been applied for the voice, video and http traffic for all the three routing protocols i.e. RIP, OSPF and EIGRP. Figure 3 shows the RIP implementation for voice, video and HTTP traffic. To ac ...
... HTTP page response time. Standard application definition, profile definition, IP QoS and failurerecovery has been applied for the voice, video and http traffic for all the three routing protocols i.e. RIP, OSPF and EIGRP. Figure 3 shows the RIP implementation for voice, video and HTTP traffic. To ac ...
JS2216381642
... to be authenticated, and often secure data with encryption technologies to prevent disclosure of private information to unauthorized parties. VPNs may serve any network functionality that is found on any network, such as sharing of data and access to network resources, printers, databases, websites, ...
... to be authenticated, and often secure data with encryption technologies to prevent disclosure of private information to unauthorized parties. VPNs may serve any network functionality that is found on any network, such as sharing of data and access to network resources, printers, databases, websites, ...
“Disruption Tolerant Shell,”
... ment methods and tools fail. While these conditions may networks, system management not be the common case and end-to-end solutions work much ∗This material is based upon work supported by the Naof the time, they may fail at the times when configuration and management is most necessary. These tools a ...
... ment methods and tools fail. While these conditions may networks, system management not be the common case and end-to-end solutions work much ∗This material is based upon work supported by the Naof the time, they may fail at the times when configuration and management is most necessary. These tools a ...
Chapter 6
... – Can optimize hardware for application – More reliable, because a crashing service does not crash others – Security: users cannot log into one service, switch to another easily ...
... – Can optimize hardware for application – More reliable, because a crashing service does not crash others – Security: users cannot log into one service, switch to another easily ...
SNMP, DHCP and Security
... Some failures, like a cut cable, while catastrophic are easy to detect. Intermittent or partial failures can be more difficult to find because TCP (with its retransmission procedure) is designed to “hide” (work in spite of) these problems. However, retransmission uses bandwidth that could be used fo ...
... Some failures, like a cut cable, while catastrophic are easy to detect. Intermittent or partial failures can be more difficult to find because TCP (with its retransmission procedure) is designed to “hide” (work in spite of) these problems. However, retransmission uses bandwidth that could be used fo ...
Wi-Fi and Cellular Handoff
... UMA service providers to terminate tunnels while concurrently providing advanced security and routing functions. This allows service providers to deploy a single platform that can support IMS termination as well as additional security services such as firewalls, Denial of Service (DoS) attack preven ...
... UMA service providers to terminate tunnels while concurrently providing advanced security and routing functions. This allows service providers to deploy a single platform that can support IMS termination as well as additional security services such as firewalls, Denial of Service (DoS) attack preven ...
O`Brien MIS, 6th ed.
... Let’s consider the problem of coordinating the transmission of messages among computers in a network Without rules governing this communication, all the computers might insist on transmitting messages at the same time or might fail to relay messages One approach to solving this problem is the to ...
... Let’s consider the problem of coordinating the transmission of messages among computers in a network Without rules governing this communication, all the computers might insist on transmitting messages at the same time or might fail to relay messages One approach to solving this problem is the to ...
VPN
... • Clients typically will have an IP address from the ISP and an IP on the private network after the VPN connection is established ...
... • Clients typically will have an IP address from the ISP and an IP on the private network after the VPN connection is established ...
Framework Guidelines On Electricity Grid Connections
... by each individual TSO and reviewed by the respective National Regulatory Authority (NRA), shall require coordination with the adjacent TSOs and relevant DSOs. The applicability of the standards and requirements to pre-existing significant grid users shall be decided on a national basis by the NRA, ...
... by each individual TSO and reviewed by the respective National Regulatory Authority (NRA), shall require coordination with the adjacent TSOs and relevant DSOs. The applicability of the standards and requirements to pre-existing significant grid users shall be decided on a national basis by the NRA, ...
Slide 1
... ► size of the update messages sent by a router is proportional to the number of links it has (i.e. update messages are much smaller than those in vector-distance, so link-state “scales better”) ► each router computes routes independently from original data (not relying on intermediate routers) ...
... ► size of the update messages sent by a router is proportional to the number of links it has (i.e. update messages are much smaller than those in vector-distance, so link-state “scales better”) ► each router computes routes independently from original data (not relying on intermediate routers) ...
intrusion detection system in ad-hoc networks
... copies of recently forwarded packets and compares them with the packet transmissions overheard by the neighboring nodes. If a node that was supposed to forward a packet fails to do so within a certain timeout period, the watchdog component of an overhearing node increments a failure rating for the s ...
... copies of recently forwarded packets and compares them with the packet transmissions overheard by the neighboring nodes. If a node that was supposed to forward a packet fails to do so within a certain timeout period, the watchdog component of an overhearing node increments a failure rating for the s ...
Chapter 2 Lecture Presentation
... Physical Layer •Ethernet is a large and diverse family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether. It defines a number of wiring and signaling standards for the physical layer, two means of network access at ...
... Physical Layer •Ethernet is a large and diverse family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether. It defines a number of wiring and signaling standards for the physical layer, two means of network access at ...
Lect10
... • A host computer or host is any system attached to an internet that runs applications. • Hosts may be supercomputers or toasters. • TCP/IP allows any pair of hosts on an internet to communicate directly. • Both hosts and routers have TCP/IP stacks – Hosts typically have one interface and don't forw ...
... • A host computer or host is any system attached to an internet that runs applications. • Hosts may be supercomputers or toasters. • TCP/IP allows any pair of hosts on an internet to communicate directly. • Both hosts and routers have TCP/IP stacks – Hosts typically have one interface and don't forw ...
Lecture 5 - Lyle School of Engineering
... destinations and distances to its neighbors every 30 sec ("vector-distance" refers to these vectors of distances) Each router updates its routing table after receiving updates from its neighbors ...
... destinations and distances to its neighbors every 30 sec ("vector-distance" refers to these vectors of distances) Each router updates its routing table after receiving updates from its neighbors ...
Introduction - Communications
... Different Views of Networking • Different Layers of the protocol stack have a different view of the network. This is HTTP’s and TCP’s view of the network. ...
... Different Views of Networking • Different Layers of the protocol stack have a different view of the network. This is HTTP’s and TCP’s view of the network. ...
Chap5
... Routers + and + arbitrary topologies can be supported, cycling is limited by TTL counters (and good routing protocols) + provide protection against broadcast storms - require IP address configuration (not plug and play) - require higher packet processing ...
... Routers + and + arbitrary topologies can be supported, cycling is limited by TTL counters (and good routing protocols) + provide protection against broadcast storms - require IP address configuration (not plug and play) - require higher packet processing ...