
Overlay Networks and Tunneling Reading: 4.5, 9.4 Mike Freedman
... Layer 3 Virtual Private Networks • Private communicaVons over a public network • A set of sites that are allowed to communicate with each other • Defined by a set of administraVve policies ...
... Layer 3 Virtual Private Networks • Private communicaVons over a public network • A set of sites that are allowed to communicate with each other • Defined by a set of administraVve policies ...
www.cs.hofstra.edu
... Scanners - identify known malicious code search for signature strings Integrity Checkers – determine if code has been altered or changed – checksum based Vulnerability Monitors - prevent modification or access to particularly sensitive parts of the system – user defined Behavior Blockers - list of r ...
... Scanners - identify known malicious code search for signature strings Integrity Checkers – determine if code has been altered or changed – checksum based Vulnerability Monitors - prevent modification or access to particularly sensitive parts of the system – user defined Behavior Blockers - list of r ...
Network Management - Computer Science & Engineering
... – hierarchical naming of all objects – each branchpoint has name, number ...
... – hierarchical naming of all objects – each branchpoint has name, number ...
Intro to Wireless Mesh Networks - McMaster Computing and Software
... A Survey, Computer Networks Journal (Elsevier), March 2005. ...
... A Survey, Computer Networks Journal (Elsevier), March 2005. ...
Powerpoint
... – services independent of subnet technology – shield transport layer from topology – uniform number of network addesses, across LANs or WANS Lots ...
... – services independent of subnet technology – shield transport layer from topology – uniform number of network addesses, across LANs or WANS Lots ...
single physical link
... abstracting away the fact that the network Application programs Process-to-process channels occasionally loses messages Host-to-host connectivity Hardware ...
... abstracting away the fact that the network Application programs Process-to-process channels occasionally loses messages Host-to-host connectivity Hardware ...
Networking
... own IP address to the packet Timestamp: Every router along the route attaches a timestamp to the packet Security: Packets are marked with user info, and the security classification of the person on whose behalf they travel on the network Most of these options pose security holes and are ...
... own IP address to the packet Timestamp: Every router along the route attaches a timestamp to the packet Security: Packets are marked with user info, and the security classification of the person on whose behalf they travel on the network Most of these options pose security holes and are ...
Introduction of IMS for 3G Voice Services and Migration
... Phase 2:Integrated All-IP NW(IMS introduction for 3G voice, around 2010) IMS introduction for 3G voice services has benefit for operator to reduce CAPEX/OPEX. • Replace traditional switch to general-purpose server base nodes. • Only PS domain required. Voice communication can be provided through PS ...
... Phase 2:Integrated All-IP NW(IMS introduction for 3G voice, around 2010) IMS introduction for 3G voice services has benefit for operator to reduce CAPEX/OPEX. • Replace traditional switch to general-purpose server base nodes. • Only PS domain required. Voice communication can be provided through PS ...
Chapter 13 slides
... another; typically 2-4 ports; uses MAC addresses to direct the message on an incoming port to an outgoing port; corresponds to layer 1 (physical) of the OSI model Similar functionality to a bridge but supports several ports (typically 432); provides expanded capabilities for dynamically configuring ...
... another; typically 2-4 ports; uses MAC addresses to direct the message on an incoming port to an outgoing port; corresponds to layer 1 (physical) of the OSI model Similar functionality to a bridge but supports several ports (typically 432); provides expanded capabilities for dynamically configuring ...
[edit] Methods of attack
... Peer-to-peer attacks Attackers have found a way to exploit a number of bugs in peer-to-peer servers to initiate DDoS attacks. The most aggressive of these peer-to-peer-DDoS attacks exploits DC++. Peer-to-peer attacks are different from regular botnet-based attacks. With peer-to-peer there is no botn ...
... Peer-to-peer attacks Attackers have found a way to exploit a number of bugs in peer-to-peer servers to initiate DDoS attacks. The most aggressive of these peer-to-peer-DDoS attacks exploits DC++. Peer-to-peer attacks are different from regular botnet-based attacks. With peer-to-peer there is no botn ...
Networking and Communications Products Summer 1997 Update
... # Segmentable by unit and by 10 Mb/sec. repeater within each unit # Smart Uplink Module Option (each hub can accomodate 1) # Added address filtering to Smart Uplink (considered an option for 2824/2724) # Three-year limited warranty # Example of use: (animation) $ Start with an existing 10 Mb/sec. ne ...
... # Segmentable by unit and by 10 Mb/sec. repeater within each unit # Smart Uplink Module Option (each hub can accomodate 1) # Added address filtering to Smart Uplink (considered an option for 2824/2724) # Three-year limited warranty # Example of use: (animation) $ Start with an existing 10 Mb/sec. ne ...
Net+ Chapter 1
... • NetBIOS supports friendly names for NetBEUI. • No Network layer services are a part of the NetBEUI/NetBIOS environment, so most often, they are paired with other routable protocols such as TCP/IP or IPX/SPX. ...
... • NetBIOS supports friendly names for NetBEUI. • No Network layer services are a part of the NetBEUI/NetBIOS environment, so most often, they are paired with other routable protocols such as TCP/IP or IPX/SPX. ...
Operating System Security Chapter 9 Operating System Security
... – An entry point into a program that bypasses the normal security mechanisms – Software developers often include these for easier development and testing – Can be used by developer for malicious purposes or discovered by an attacker – Defense is good formal testing of software ...
... – An entry point into a program that bypasses the normal security mechanisms – Software developers often include these for easier development and testing – Can be used by developer for malicious purposes or discovered by an attacker – Defense is good formal testing of software ...
IAS-W
... stringent time and capacity requirements in areas where the rapid expansion of potential subscribers base requires urgent deployment of telecommunication servicing, including ISDN and high speed data, but the existing cable infrastructure is either not sufficient or not available. In rural areas: IA ...
... stringent time and capacity requirements in areas where the rapid expansion of potential subscribers base requires urgent deployment of telecommunication servicing, including ISDN and high speed data, but the existing cable infrastructure is either not sufficient or not available. In rural areas: IA ...
Internet Measurements - Computer Science & Engineering
... tests whether BitTorrent is being blocked or throttled ...
... tests whether BitTorrent is being blocked or throttled ...
CyberStreet detailed network description
... legacy scripts. One web page counter has been in use counting in on some websites since 1995! It is our only web server running Windoz. ...
... legacy scripts. One web page counter has been in use counting in on some websites since 1995! It is our only web server running Windoz. ...
Week 4 Network Layer and Routing
... A domain is any portion of an OSI network that is under common administrative authority. Within any OSI domain, one or more areas can be defined. An area is a logical entity; it is formed by a set of contiguous routers and the data links that connect them. All routers in the same area exchange inf ...
... A domain is any portion of an OSI network that is under common administrative authority. Within any OSI domain, one or more areas can be defined. An area is a logical entity; it is formed by a set of contiguous routers and the data links that connect them. All routers in the same area exchange inf ...
Chapter 4 Lecture Presentation
... Disaster recovery (DR): backup of critical data Server replication: e.g., of web servers (to allow for quick switchover in case of failures) Backup storage: of ordinary enterprise users' data ...
... Disaster recovery (DR): backup of critical data Server replication: e.g., of web servers (to allow for quick switchover in case of failures) Backup storage: of ordinary enterprise users' data ...
Document
... • Designed to collect hypermedia over a network – Hypermedia – form of communication that allows a dynamic link to another location ...
... • Designed to collect hypermedia over a network – Hypermedia – form of communication that allows a dynamic link to another location ...
Incident Response and Honeypots
... • Need to kill active processes too – Blocking access to system via firewall – Pulling network/phone cable – Powering down system ...
... • Need to kill active processes too – Blocking access to system via firewall – Pulling network/phone cable – Powering down system ...
New Kogod Powerpoint Template
... • Networks are very complex • Because there are too many HW and SW components communicating with each other • So, ensuring reliable/fast data communications requires numerous networking steps and functions • No single networking component can do this alone • Thus, different networking functions are ...
... • Networks are very complex • Because there are too many HW and SW components communicating with each other • So, ensuring reliable/fast data communications requires numerous networking steps and functions • No single networking component can do this alone • Thus, different networking functions are ...
1 - Jolata
... is video streams, which account for 50% of the overall traffic. While this still holds true from a bandwidth usage perspective, mobile applications such as chat or game applications are increasingly taking over the networks from a packet count perspective. Far more, but far smaller packet sizes will ...
... is video streams, which account for 50% of the overall traffic. While this still holds true from a bandwidth usage perspective, mobile applications such as chat or game applications are increasingly taking over the networks from a packet count perspective. Far more, but far smaller packet sizes will ...
4. TCP/IP - Faculty of Computer Science and Information Technology
... duplication of publicly used addresses does not occur. No two machines that connect to a public network can have the same IP address because public IP addresses are global and standardized. Private networks that are not connected to the Internet may use any host addresses Connecting a network using ...
... duplication of publicly used addresses does not occur. No two machines that connect to a public network can have the same IP address because public IP addresses are global and standardized. Private networks that are not connected to the Internet may use any host addresses Connecting a network using ...
Multiplexing
... Data link control protocols not needed at this level Flow control: – not needed, data rate of multiplexed line is fixed ...
... Data link control protocols not needed at this level Flow control: – not needed, data rate of multiplexed line is fixed ...