Chapter 14 Network Security - Northern Arizona University
... • Both TCP and UDP use port numbers to address specific applications running on a host. • Both TCP and UDP use port numbers to address specific applications running on a host. • Firewall software must guess at what connectionless traffic is invited and what connectionless traffic is not. • The most ...
... • Both TCP and UDP use port numbers to address specific applications running on a host. • Both TCP and UDP use port numbers to address specific applications running on a host. • Firewall software must guess at what connectionless traffic is invited and what connectionless traffic is not. • The most ...
Chapter 14 Network Security
... • Both TCP and UDP use port numbers to address specific applications running on a host. • Both TCP and UDP use port numbers to address specific applications running on a host. • Firewall software must guess at what connectionless traffic is invited and what connectionless traffic is not. • The most ...
... • Both TCP and UDP use port numbers to address specific applications running on a host. • Both TCP and UDP use port numbers to address specific applications running on a host. • Firewall software must guess at what connectionless traffic is invited and what connectionless traffic is not. • The most ...
lecture03
... Network Effects • A product or service exhibits network effects if its value to any single user is strongly positively correlated with the total number of users. Communication ...
... Network Effects • A product or service exhibits network effects if its value to any single user is strongly positively correlated with the total number of users. Communication ...
Sigurnost bezicnih racunalnih mreza
... way. We want to accomplish that only internal host can make calls to someone’s port 25. We can do this by paying attention to the direction of the packet, and by looking at some of the control fields. In particular, an initial open request packet in TCP does not have the ACK bit set in the header; a ...
... way. We want to accomplish that only internal host can make calls to someone’s port 25. We can do this by paying attention to the direction of the packet, and by looking at some of the control fields. In particular, an initial open request packet in TCP does not have the ACK bit set in the header; a ...
SwitchWare
... • Customizable on a per user or per application basis • Individuals can inject programs into the network • Applicable to Internet : overlay or substitution ...
... • Customizable on a per user or per application basis • Individuals can inject programs into the network • Applicable to Internet : overlay or substitution ...
ppt - Stanford Crypto group
... Label traffic flows at the edge of the network and let core routers identify the required class of service ...
... Label traffic flows at the edge of the network and let core routers identify the required class of service ...
Voice over Internet Protocol: Policy Implications and Market Realities
... • RTP is media protocol • Defines how the media itself (e.g. encoded voice or video) is transported • Uses UDP ...
... • RTP is media protocol • Defines how the media itself (e.g. encoded voice or video) is transported • Uses UDP ...
Traffic Measurement - Computer Science & Engineering
... • Measurement tools can also be classified as active or passive • Active: the monitoring tool generates traffic of its own during data collection (e.g., ping, pchar) • Passive: the monitoring tool is passive, observing and recording traffic info, while generating none of its own (e.g., ...
... • Measurement tools can also be classified as active or passive • Active: the monitoring tool generates traffic of its own during data collection (e.g., ping, pchar) • Passive: the monitoring tool is passive, observing and recording traffic info, while generating none of its own (e.g., ...
tutorial 1 - Portal UniMAP
... 5. What is the business case for voice and data network convergence? Since PDNs were overwhelmingly used for data transmission alone, the average business customer needed two distinct networks: the telephone system for voice, and PDN for computer connections. Using and maintaining two separate netwo ...
... 5. What is the business case for voice and data network convergence? Since PDNs were overwhelmingly used for data transmission alone, the average business customer needed two distinct networks: the telephone system for voice, and PDN for computer connections. Using and maintaining two separate netwo ...
Networks and Internet Technology
... destination, TCP checks the data for corruption against the header included in each packet. If TCP finds a bad packet, it sends a request that the packet be re-transmitted. ...
... destination, TCP checks the data for corruption against the header included in each packet. If TCP finds a bad packet, it sends a request that the packet be re-transmitted. ...
Ch. 8 Circuit Switching
... slots in a time-multiplexed stream of data are manipulated to pass data from an input to an output. – All modern circuit switches use digital time division techniques or some combination of space division switching and time division switching. ...
... slots in a time-multiplexed stream of data are manipulated to pass data from an input to an output. – All modern circuit switches use digital time division techniques or some combination of space division switching and time division switching. ...
The Internet and World Wide Web
... • US Department of Justice began using a tactic of seizing domain names, based on the legal theory that domain names are part of the property used by defendants to allegedly ...
... • US Department of Justice began using a tactic of seizing domain names, based on the legal theory that domain names are part of the property used by defendants to allegedly ...
Local-area network
... • There are various technologies available that you can use to connect a home computer to the Internet – A phone modem converts computer data into an analog audio signal for transfer over a telephone line, and then a modem at the destination converts it back again into data – A digital subscriber li ...
... • There are various technologies available that you can use to connect a home computer to the Internet – A phone modem converts computer data into an analog audio signal for transfer over a telephone line, and then a modem at the destination converts it back again into data – A digital subscriber li ...
View Sample PDF - IRMA
... designed to monitor network traffic to look for known signature attack patterns and/or deviations from protocol specifications that represent malicious intent. When potentially malicious traffic is observed, they generate an alert. More importantly, these “detection” technologies lack the capabiliti ...
... designed to monitor network traffic to look for known signature attack patterns and/or deviations from protocol specifications that represent malicious intent. When potentially malicious traffic is observed, they generate an alert. More importantly, these “detection” technologies lack the capabiliti ...
Computer Networks (CSC 345)
... Advantages: dedicated resources Disadvantages: not very efficient (lower utilization, e.g., a person talks < 35% of the time during a call) While A talks to C, B cannot talk to D on the same line. ...
... Advantages: dedicated resources Disadvantages: not very efficient (lower utilization, e.g., a person talks < 35% of the time during a call) While A talks to C, B cannot talk to D on the same line. ...
Telecommunications, the Internet, Intranets, and Extranets
... U.S.PATENT PENDING. Privacy notice at: http://websidestory.com/privacy -> ...
... U.S.PATENT PENDING. Privacy notice at: http://websidestory.com/privacy -> ...
02-Protocol Architecture
... or complete some procedure previously invoked by a request by the service user ...
... or complete some procedure previously invoked by a request by the service user ...
Slide 1
... each computer in the network can act as a client or server for the other computers in the network, allowing shared access to various resources such as files, peripherals, and sensors without the need for a central server. P2P networks can be set up within the home, a business, or over the Internet. ...
... each computer in the network can act as a client or server for the other computers in the network, allowing shared access to various resources such as files, peripherals, and sensors without the need for a central server. P2P networks can be set up within the home, a business, or over the Internet. ...
WB_intro
... traditional voice network nice for user, but inefficient use of transmission facilities served traditional voice networks well, but gradually becoming outdated by new technology ...
... traditional voice network nice for user, but inefficient use of transmission facilities served traditional voice networks well, but gradually becoming outdated by new technology ...
Logical addressing
... Routing is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network, electronic data networks (such as the Internet), and transportation networks. This article is concerned primarily with routing ...
... Routing is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network, electronic data networks (such as the Internet), and transportation networks. This article is concerned primarily with routing ...
SASC talks II - chist-era
... - “Flaws in the basic building blocks of networking and computer science are hampering reliability, limiting flexibility and creating security vulnerabilities” (Note that DARPA paid for most of these developments !!) - DARPA wants to see the IP and the OSI protocol stack revamped - “The packet netwo ...
... - “Flaws in the basic building blocks of networking and computer science are hampering reliability, limiting flexibility and creating security vulnerabilities” (Note that DARPA paid for most of these developments !!) - DARPA wants to see the IP and the OSI protocol stack revamped - “The packet netwo ...
William Stallings Data and Computer Communications
... Bridge IS used to connect two LANs using similar LAN protocols Address filter passing on packets to the required network only OSI layer 2 (Data Link) ...
... Bridge IS used to connect two LANs using similar LAN protocols Address filter passing on packets to the required network only OSI layer 2 (Data Link) ...
Introduction
... Circuit and packet switches connect multiple inputs to multiple outputs. In circuit switches, the configuration pattern changes on a slow time scale. In packet switches, the configuration changes on a packet-per-packet basis. ...
... Circuit and packet switches connect multiple inputs to multiple outputs. In circuit switches, the configuration pattern changes on a slow time scale. In packet switches, the configuration changes on a packet-per-packet basis. ...