Attacks and Mitigations
... – Computers are often recruited into a botnet by running malicious software. This may be achieved by luring users with a drive-by download, exploiting web browser vulnerabilities, or tricking the user into running a Trojan horse program, possibly in an email attachment. It will typically install mod ...
... – Computers are often recruited into a botnet by running malicious software. This may be achieved by luring users with a drive-by download, exploiting web browser vulnerabilities, or tricking the user into running a Trojan horse program, possibly in an email attachment. It will typically install mod ...
No Slide Title
... A Network Firewall is a single point that a Network Administrator can control, even if individual computers are managed by workers or departments. ------Over half of corporate computer misfeasance is caused by employees who are already behind the main firewall. Solution 1 - isolate subnets with fir ...
... A Network Firewall is a single point that a Network Administrator can control, even if individual computers are managed by workers or departments. ------Over half of corporate computer misfeasance is caused by employees who are already behind the main firewall. Solution 1 - isolate subnets with fir ...
Middleboxes
and
Tunneling
Reading:
Sect
8.5,
9.4.1,
4.5
COS
461:
Computer
Networks
Spring
2011
... – … and the server IP address and port number – Problem: users may log in to another machine • E.g., connect from the dorms to another host • … and then onward to the blocked server ...
... – … and the server IP address and port number – Problem: users may log in to another machine • E.g., connect from the dorms to another host • … and then onward to the blocked server ...
TYPE OF NETWORK - clicktechsolution.com
... In networking two or more personal computers are connected together for transferring data or information with each other. A network allows scanner CD writer, hard disk, printer etc. By using Networking one can :Share the information Share the peripherals Share the applications Share of Software ...
... In networking two or more personal computers are connected together for transferring data or information with each other. A network allows scanner CD writer, hard disk, printer etc. By using Networking one can :Share the information Share the peripherals Share the applications Share of Software ...
Lecture 23
... Congestion – Networks (particularly WANs) have multiple routes to provide end-to-end connectivity ...
... Congestion – Networks (particularly WANs) have multiple routes to provide end-to-end connectivity ...
Week 6 - cda college
... function is to respond to the requests of clients. The server contains file sharing, http and other services that are continuously available to respond to client requests. Client: Our computers. We request a service from a server (ex. We log into gmail to check our email ) ...
... function is to respond to the requests of clients. The server contains file sharing, http and other services that are continuously available to respond to client requests. Client: Our computers. We request a service from a server (ex. We log into gmail to check our email ) ...
UNDERLAYS
and
MIDDLEBOXES
READING:
SECTION
8. COS
461:
Computer
Networks
Spring
2010
(MW
3:00‐4:20
in
COS
105)
... • Network‐layer principles – Globally unique idenNfiers and simple packet forwarding – Middleboxes and tunneling to violate these principles… ...
... • Network‐layer principles – Globally unique idenNfiers and simple packet forwarding – Middleboxes and tunneling to violate these principles… ...
New Hampshire Department of Transportation I
... (TDM) network that existed on 20 mountaintop sites throughout the state. Being one of the first states to integrate multiple stakeholders using existing traffic management protocols and configurations into a single shared wireless network, there was little to no guidance for designing New Hampshire’ ...
... (TDM) network that existed on 20 mountaintop sites throughout the state. Being one of the first states to integrate multiple stakeholders using existing traffic management protocols and configurations into a single shared wireless network, there was little to no guidance for designing New Hampshire’ ...
Network Security Network Attacks and Mitigation
... • Uses for IP spoofing include: – Injecting malicious data or commands into an existing data stream – Diverting all network packets to the hacker who can then reply as a trusted user by changing the routing tables • IP spoofing may only be one step in a larger attack. ...
... • Uses for IP spoofing include: – Injecting malicious data or commands into an existing data stream – Diverting all network packets to the hacker who can then reply as a trusted user by changing the routing tables • IP spoofing may only be one step in a larger attack. ...
physcial_sci_networks_part2
... network as if you where connected directly • A secure encrypted tunnel between your computer and others on the same network • Typically requires a dedicated ‘VPN box’ on the office end network to provide the service ...
... network as if you where connected directly • A secure encrypted tunnel between your computer and others on the same network • Typically requires a dedicated ‘VPN box’ on the office end network to provide the service ...
Network Interface Card Specifications
... expanded access to TMS/LC2000 data via LAN/WAN Ethernet networks. Since the NIC supports communications across Gateways/Routers, WAN-users now have an extremely cost-effective alternative to dial-up connections for remote monitoring. With the addition of TMSCOMM Autopoll and WebServe software to the ...
... expanded access to TMS/LC2000 data via LAN/WAN Ethernet networks. Since the NIC supports communications across Gateways/Routers, WAN-users now have an extremely cost-effective alternative to dial-up connections for remote monitoring. With the addition of TMSCOMM Autopoll and WebServe software to the ...
ViaSat LinkWay S2 Broadband VSAT System
... provide quasi-error free communications with minimal carrier power requirements and maximum efficiency. The newly added 8PSK modulation feature provides dramatically improved spectral efficiency, while the inclusion of BPSK modulation offers support for ultra-small, sub 1-meter antennas for fixed, a ...
... provide quasi-error free communications with minimal carrier power requirements and maximum efficiency. The newly added 8PSK modulation feature provides dramatically improved spectral efficiency, while the inclusion of BPSK modulation offers support for ultra-small, sub 1-meter antennas for fixed, a ...
Optical Packet/Burst Switching
... deployment of Ethernet in core networks faces problems such as low resource utilization and large recovery times after changes in the network topology or in the traffic demand. ...
... deployment of Ethernet in core networks faces problems such as low resource utilization and large recovery times after changes in the network topology or in the traffic demand. ...
Network Topology - Department of Computing
... Computer A It can be customised to suit the type of data ◦ for example: data speed and technology ...
... Computer A It can be customised to suit the type of data ◦ for example: data speed and technology ...
MPLS-based Virtual Private Networks
... Better management of different kinds of traffic (voice, data or converged). Bandwidth Reservation for different Quality of Service. Works with Internet Protocol (IP), Asynchronous Transfer Mode (ATM), Frame Relay; thus multiprotocol. Expected to work with future technologies. ...
... Better management of different kinds of traffic (voice, data or converged). Bandwidth Reservation for different Quality of Service. Works with Internet Protocol (IP), Asynchronous Transfer Mode (ATM), Frame Relay; thus multiprotocol. Expected to work with future technologies. ...
Networking
... notify the NIC that it is ready • The NIC will then do a DMA read for the descriptor and then for the actual frame • The frame is then sent out to the network ...
... notify the NIC that it is ready • The NIC will then do a DMA read for the descriptor and then for the actual frame • The frame is then sent out to the network ...
HERE - Jemez Mountains Electric Cooperative, Inc.
... 11. Prepare cost-benefit and return on investment analyses to aide in decisions on system implementation. ...
... 11. Prepare cost-benefit and return on investment analyses to aide in decisions on system implementation. ...
Presentation: the internet layer, IP, the Internet Protocol
... The initial vision: an IP address for every host ...
... The initial vision: an IP address for every host ...
Shayne Cardwell
... distribution to add native network security to the cluster deployment Every node in the cluster does its own packet filtering, and establishes IPSEC tunnels as required This is performed transparently, requiring no user intervention. CHAOS is capable of PXE booting new nodes ...
... distribution to add native network security to the cluster deployment Every node in the cluster does its own packet filtering, and establishes IPSEC tunnels as required This is performed transparently, requiring no user intervention. CHAOS is capable of PXE booting new nodes ...
CS514-lec
... on the net and slow the transfer down by 7% for this purpose! • But the end-to-end argument would not apply if: – p or n is large, hence (1-p)n approaches 0 – cost of recovery when a problem occurs is very high – reliability property is hard for users to implement ...
... on the net and slow the transfer down by 7% for this purpose! • But the end-to-end argument would not apply if: – p or n is large, hence (1-p)n approaches 0 – cost of recovery when a problem occurs is very high – reliability property is hard for users to implement ...
Higher Computing Unit 1 – Peripherals and Interfaces
... The friends create a client-server network. State one advantage and one disadvantage of a client-server network compared to a peer-to-peer network. ...
... The friends create a client-server network. State one advantage and one disadvantage of a client-server network compared to a peer-to-peer network. ...
Chapter 4 PowerPoint
... path between you and the person you are talking to. The Internet is packetswitched. Everything sent over the Internet is broken up into small packets of data and sent on their way. ...
... path between you and the person you are talking to. The Internet is packetswitched. Everything sent over the Internet is broken up into small packets of data and sent on their way. ...
Slide 1 - itworkss
... unreliable protocol working at the transport layer. • 8]ICMP-Internet control message protocol is used to perform network error reporting and status.It works at the transport layer. • 9]IGMP-Internet group management protocol is used to manage multicast groups and works at the transport layer. • 10] ...
... unreliable protocol working at the transport layer. • 8]ICMP-Internet control message protocol is used to perform network error reporting and status.It works at the transport layer. • 9]IGMP-Internet group management protocol is used to manage multicast groups and works at the transport layer. • 10] ...
Real firewall rule-bases have a large degree of structure
... incoming or outgoing packet and decide whether to accept or discard it. Each firewall packet has 5 fields source IP, destination IP, source port, destination port and protocol. Each packet needs to be checked with every firewall rule to find the first matching rule. The geometric efficient packet ma ...
... incoming or outgoing packet and decide whether to accept or discard it. Each firewall packet has 5 fields source IP, destination IP, source port, destination port and protocol. Each packet needs to be checked with every firewall rule to find the first matching rule. The geometric efficient packet ma ...