TEL2813/IS2820 Security Management
... All Internet Control Message Protocol (ICMP) data should be denied Telnet (terminal emulation) access to all internal servers from the public networks should be blocked When Web services are offered outside the firewall, HTTP traffic should be handled by some form of proxy access or DMZ architecture ...
... All Internet Control Message Protocol (ICMP) data should be denied Telnet (terminal emulation) access to all internal servers from the public networks should be blocked When Web services are offered outside the firewall, HTTP traffic should be handled by some form of proxy access or DMZ architecture ...
Slide 1 - Department of Electrical Engineering & Computer Science
... Actions that are to be taken when a certain event occurs, e.g. sending or receiving messages, expiry of timers The purpose of a protocol is to provide a service to the layer above ...
... Actions that are to be taken when a certain event occurs, e.g. sending or receiving messages, expiry of timers The purpose of a protocol is to provide a service to the layer above ...
1545-13-Internet
... • An IP network is a logical entity that is defined by a network prefix – The IP address of an IP network is a network prefix with the host number set to zero – Example 128.143.0.0/16 ...
... • An IP network is a logical entity that is defined by a network prefix – The IP address of an IP network is a network prefix with the host number set to zero – Example 128.143.0.0/16 ...
The Internet and Its Uses
... Employees who travel on company business frequently need to access information that resides on their corporate network Individual User needs Home computer users need to send and receive data across increasingly larger distances. to communicate with banks, stores etc ...
... Employees who travel on company business frequently need to access information that resides on their corporate network Individual User needs Home computer users need to send and receive data across increasingly larger distances. to communicate with banks, stores etc ...
SCADA (Supervisory Control And Data Acquisition)
... Security Tools Some security tools to consider: ...
... Security Tools Some security tools to consider: ...
OPERATING-SYSTEM STRUCTURES
... Question 4-3 Network monitoring and network traffic measurement are different because: 1. They are the same, but network monitoring allows the network manager to do extra configuring of devices 2. Network monitoring is mainly concerned with the status of devices 3. Network monitoring uses MIBs to me ...
... Question 4-3 Network monitoring and network traffic measurement are different because: 1. They are the same, but network monitoring allows the network manager to do extra configuring of devices 2. Network monitoring is mainly concerned with the status of devices 3. Network monitoring uses MIBs to me ...
Convergence of Voice, Video, and Data
... Identify terminology used to describe applications and other aspects of converged networks Describe several different applications available on converged networks Outline possible VoIP implementations and examine the costs and benefits of VoIP Explain methods for encoding analog voice or video signa ...
... Identify terminology used to describe applications and other aspects of converged networks Describe several different applications available on converged networks Outline possible VoIP implementations and examine the costs and benefits of VoIP Explain methods for encoding analog voice or video signa ...
CCNA2 3.1-09 Basic Router Troubleshooting
... Interpreting the Show Interface Serial Command One of the most important elements of the show interface serial command output is the display of the line and data link protocol status. The line status is triggered by a Carrier Detect signal, and refers to the physical layer status. However, the line ...
... Interpreting the Show Interface Serial Command One of the most important elements of the show interface serial command output is the display of the line and data link protocol status. The line status is triggered by a Carrier Detect signal, and refers to the physical layer status. However, the line ...
F5 Helps Cloud Provider Lokahi Deliver its Cloud Stack to
... computing services to help businesses and organizations reduce capital expenditure (CapEx) by contracting out their IT infrastructure. The Lokahi Infrastructure Virtualization Engine™ provides network management, disaster recovery, network security, capacity planning, and email hosting—all in the Lo ...
... computing services to help businesses and organizations reduce capital expenditure (CapEx) by contracting out their IT infrastructure. The Lokahi Infrastructure Virtualization Engine™ provides network management, disaster recovery, network security, capacity planning, and email hosting—all in the Lo ...
IP : Internet Protocol
... • For datagrams with in the same physical network, the MTU is known. TCP/UDP then use the MTU to limit the message size pass to IP, message will never be fragmented. • For datagram pass to difference network, unknown MTU. • Standard recommend that all networks supporting TCP/IP have an MTU of at lea ...
... • For datagrams with in the same physical network, the MTU is known. TCP/UDP then use the MTU to limit the message size pass to IP, message will never be fragmented. • For datagram pass to difference network, unknown MTU. • Standard recommend that all networks supporting TCP/IP have an MTU of at lea ...
Introduction to computer networks
... Hyper-Text Transfer Protocol HTTP is the Web’s client/server protocol. o User agent (browser) implements the client side of HTTP. o Web pages generally consist of a base HTML ...
... Hyper-Text Transfer Protocol HTTP is the Web’s client/server protocol. o User agent (browser) implements the client side of HTTP. o Web pages generally consist of a base HTML ...
automatically trigger packet capture from solarwinds® network
... Simultaneously, the NTO aggregates traffic from multiple SPANs/ TAPs in the network and directs it to any security or monitoring appliance. This approach provides efficient access to asymmetric traffic across large heterogeneous networks. The NTO filters out traffic, which does not need analysis, pr ...
... Simultaneously, the NTO aggregates traffic from multiple SPANs/ TAPs in the network and directs it to any security or monitoring appliance. This approach provides efficient access to asymmetric traffic across large heterogeneous networks. The NTO filters out traffic, which does not need analysis, pr ...
CMPT 371: Chapter 1 - Simon Fraser University
... governed by protocols protocols define format, order of msgs sent and received among network entities, and actions taken on msg ...
... governed by protocols protocols define format, order of msgs sent and received among network entities, and actions taken on msg ...
Countering DoS Through Filtering
... • Inter-ISP cooperation, – Data collection – Attack signature determination – Attack analysis ...
... • Inter-ISP cooperation, – Data collection – Attack signature determination – Attack analysis ...
III. Dummy section heading for formatting
... may serve as a role model for defining a new internetworking architecture which permits multiple virtualized networks to run concurrently over a common infrastructure but without interference. The current IP based Internet may then simply be one of possibly many different networks all sharing a comm ...
... may serve as a role model for defining a new internetworking architecture which permits multiple virtualized networks to run concurrently over a common infrastructure but without interference. The current IP based Internet may then simply be one of possibly many different networks all sharing a comm ...
Effect of Packet-size over Network Performance
... and varying packet-size. Moreover, plot of throughput vs. packet size will show how packet size affects the network performance. 2. Background TCP was developed by a Department of Defense (DOD) in the United States of America (U.S.A.) research project to connect a number different networks designed ...
... and varying packet-size. Moreover, plot of throughput vs. packet size will show how packet size affects the network performance. 2. Background TCP was developed by a Department of Defense (DOD) in the United States of America (U.S.A.) research project to connect a number different networks designed ...
Circuit Switching
... circuit switching was designed for voice packet switching was designed for data transmitted in small packets packets contains user data and control info ...
... circuit switching was designed for voice packet switching was designed for data transmitted in small packets packets contains user data and control info ...
IP Addresses - Paladin Group LLC
... An OSI layer 1 (physical layer) device. Simply sends and electrical signal received down all ports. • Hubs are unintelligent • All computers connected to the hub receive the signal (so it’s easy to see other peoples network traffic) • Everyone shares the network for speaking, only one at a time. If ...
... An OSI layer 1 (physical layer) device. Simply sends and electrical signal received down all ports. • Hubs are unintelligent • All computers connected to the hub receive the signal (so it’s easy to see other peoples network traffic) • Everyone shares the network for speaking, only one at a time. If ...
Relationship between bandwidth and the transmission capacity of a
... • The VAN is set up by a firm that is in charge of managing the network. • The subscribers pay only for the amount of data they transmit plus a subscription fee. • Customers do not have to invest in network equipment and software or perform their own error checking, editing, routing, and protocol co ...
... • The VAN is set up by a firm that is in charge of managing the network. • The subscribers pay only for the amount of data they transmit plus a subscription fee. • Customers do not have to invest in network equipment and software or perform their own error checking, editing, routing, and protocol co ...
Improving the packet send-time accuracy in embedded devices
... •Raspberry Pi Model B at 50Mbps, timestamp from Dag card •Theoretical inter-packet delay: 1/(50Mbps/(1514Byte*8)) = 0.0002422 AIMS 2015 ...
... •Raspberry Pi Model B at 50Mbps, timestamp from Dag card •Theoretical inter-packet delay: 1/(50Mbps/(1514Byte*8)) = 0.0002422 AIMS 2015 ...
document
... • Addressing is important as it can be useful in routing, and routing efficiently – Routers do not need to store detailed address information (means: less memory) ...
... • Addressing is important as it can be useful in routing, and routing efficiently – Routers do not need to store detailed address information (means: less memory) ...
Introduction Lecture 1
... In Ethernet, multiport repeater or concentrator Connects 2 networks of same ...
... In Ethernet, multiport repeater or concentrator Connects 2 networks of same ...
The need for an information policy
... develop a clear policy regarding information access and protection policy to specify who is granted access to which information the rules an individual must follow in disseminating the information to others a statement of how the organisation will react to violations may seem obvious many organisati ...
... develop a clear policy regarding information access and protection policy to specify who is granted access to which information the rules an individual must follow in disseminating the information to others a statement of how the organisation will react to violations may seem obvious many organisati ...