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PCI COMPLIANCE - Network Security – Next Generation Firewalls
... Figure 4: Policy example that isolates and protects cardholder data. Requirement 2: Protect stored cardholder data This requirement focuses on reducing the amount of cardholder data stored and ensuring that stored data is appropriately masked and encrypted. Despite rigorous encryption techniques, th ...
... Figure 4: Policy example that isolates and protects cardholder data. Requirement 2: Protect stored cardholder data This requirement focuses on reducing the amount of cardholder data stored and ensuring that stored data is appropriately masked and encrypted. Despite rigorous encryption techniques, th ...
NETWORK FUNDAMENTALS
... Allows a computer program running on one host to run code on another host without the programmer needing to explicitly code for this • Not a protocol in itself but a paradigm for implementation • Used by services like DNS (Domain Name System) • RPC and DCOM (Distributed Component Object) use port 13 ...
... Allows a computer program running on one host to run code on another host without the programmer needing to explicitly code for this • Not a protocol in itself but a paradigm for implementation • Used by services like DNS (Domain Name System) • RPC and DCOM (Distributed Component Object) use port 13 ...
INS PPT - Home Kalim Puthawala
... the P-array is used every round, and after the final round, each half of the data block is XORed with one of the two remaining unused P-entries. The F-function splits the 32-bit input into four eight-bit quarters, and uses the quarters as input to the S-boxes. The outputs are added modulo 232 and XO ...
... the P-array is used every round, and after the final round, each half of the data block is XORed with one of the two remaining unused P-entries. The F-function splits the 32-bit input into four eight-bit quarters, and uses the quarters as input to the S-boxes. The outputs are added modulo 232 and XO ...
NSF_Vehicles_and_Internet_role-jan_16_Claudio
... Vehicle communications are becoming increasingly popular, propelled by navigation safety requirements and by the investments of car manufacturers and Public Transport Authorities. As a consequence many of the essential vehicle grid components (radios, Access Points, spectrum, standards, etc.) will s ...
... Vehicle communications are becoming increasingly popular, propelled by navigation safety requirements and by the investments of car manufacturers and Public Transport Authorities. As a consequence many of the essential vehicle grid components (radios, Access Points, spectrum, standards, etc.) will s ...
Preventing Black Hole Attack in MANETs Using Randomized Multipath Routing Algorithm
... nodes have the ability to arrange themselves and because of their self-configuration ability, they can be deployed immediately without the need of any infrastructure. The major performance constraint comes from path loss and multiple path fading. Many MANET routing protocols exploit multiple paths t ...
... nodes have the ability to arrange themselves and because of their self-configuration ability, they can be deployed immediately without the need of any infrastructure. The major performance constraint comes from path loss and multiple path fading. Many MANET routing protocols exploit multiple paths t ...
Notes - Andrew
... exponential growth as generations of institutional, personal, and mobile computers were connected to it. The funding of a new U.S. backbone by the National Science Foundation in the 1980s, as well as private funding for other commercial backbones, led to worldwide participation in the development of ...
... exponential growth as generations of institutional, personal, and mobile computers were connected to it. The funding of a new U.S. backbone by the National Science Foundation in the 1980s, as well as private funding for other commercial backbones, led to worldwide participation in the development of ...
Computers Are Your Future Chapter 7: Networks: Communicating and Sharing Resources Twelfth Edition
... signals over a seemingly random series of frequencies. • Effective inside range of between 125 and 300 feet ...
... signals over a seemingly random series of frequencies. • Effective inside range of between 125 and 300 feet ...
NC7101
... Channel access on links- Multiplexing techniques (TDMA, FDMA,WDMA,CDMA) Modes of communication, Dense Wavelength Division Multiplexing, Digital subscriber Lines and its types Circuit switching vs. packet switching, Virtual circuit switching and Packet switched networks Synchronous Optical Network (S ...
... Channel access on links- Multiplexing techniques (TDMA, FDMA,WDMA,CDMA) Modes of communication, Dense Wavelength Division Multiplexing, Digital subscriber Lines and its types Circuit switching vs. packet switching, Virtual circuit switching and Packet switched networks Synchronous Optical Network (S ...
Chapter 7
... (VPNs) Virtual Private Networks • WANs logically defined over public transmission systems – Traffic isolated from other traffic on same public lines – Required software usually inexpensive • Windows Server 2003 RRAS ...
... (VPNs) Virtual Private Networks • WANs logically defined over public transmission systems – Traffic isolated from other traffic on same public lines – Required software usually inexpensive • Windows Server 2003 RRAS ...
ppt
... • Filters specify fields, masks and values to match against packet contents, input and output interface • Actions are typically forward or discard • Such systems have difficulty with things like fragments and a variety of attacks • Typically a difficult balance between the access given and the abili ...
... • Filters specify fields, masks and values to match against packet contents, input and output interface • Actions are typically forward or discard • Such systems have difficulty with things like fragments and a variety of attacks • Typically a difficult balance between the access given and the abili ...
Network Client Systems Duties (limited or lead
... Positions in this series may be assigned a variety of duties from among those listed in the Representative Duties section or a combination of those and other related work functions. Duties include both support functions and primary lead responsibilities. The class titles within the series are not in ...
... Positions in this series may be assigned a variety of duties from among those listed in the Representative Duties section or a combination of those and other related work functions. Duties include both support functions and primary lead responsibilities. The class titles within the series are not in ...
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 ...
TeleReach - GURU Control Systems
... If you can only access your servers over IP from a PC with proprietary software installed, you don't have true anywhere, anytime access. TeleReach gives you IP access from any PC via Internet Explorer 4.0 or greaterwith no need to install proprietary software onto the remote PC. Network Independent ...
... If you can only access your servers over IP from a PC with proprietary software installed, you don't have true anywhere, anytime access. TeleReach gives you IP access from any PC via Internet Explorer 4.0 or greaterwith no need to install proprietary software onto the remote PC. Network Independent ...
switches
... • Current best practice is to use wired LANs for primary network and wireless as an overlay network • Select fastest stable technology, cost permitting – e.g., choose 802.11ac over 802.11n or 1000BASE-T over ...
... • Current best practice is to use wired LANs for primary network and wireless as an overlay network • Select fastest stable technology, cost permitting – e.g., choose 802.11ac over 802.11n or 1000BASE-T over ...
PUBLIC KEY INFRASTRUTURE
... The IETF standard secure e-mail/messaging protocol is Secure Multipurpose Internet Mail Extensions (S/MIME), which extends the Multipurpose Internet Mail Extensions (MIME) standard. S/MIME typically uses a PKI to digitally sign messages and to encrypt messages and ...
... The IETF standard secure e-mail/messaging protocol is Secure Multipurpose Internet Mail Extensions (S/MIME), which extends the Multipurpose Internet Mail Extensions (MIME) standard. S/MIME typically uses a PKI to digitally sign messages and to encrypt messages and ...
Cisco Networking Acedemy Final Exam A PC can not connect to any
... Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.) This exchange is part of the three-way handshake. The source port indicates that a Telnet session has been initiated. The data is flowing from server to client. The destination port indicates tha ...
... Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.) This exchange is part of the three-way handshake. The source port indicates that a Telnet session has been initiated. The data is flowing from server to client. The destination port indicates tha ...
CV - Emitac – Enterprise Solutions
... Solely responsible for all IT decision making, support and administration at a site of more than 70 demanding users’ in a fast paced architectural and engineering environment. Maintain network proper functioning, ensuring data backup, antivirus protection. Design, setup and maintain mail server Micr ...
... Solely responsible for all IT decision making, support and administration at a site of more than 70 demanding users’ in a fast paced architectural and engineering environment. Maintain network proper functioning, ensuring data backup, antivirus protection. Design, setup and maintain mail server Micr ...
Embedded Networks Laboratory Embedded Sensing of Structures
... • NetSHM is the next step to WISDEN. • A sensor network system that Structural engineers can program in higher level language such as Matlab/C ...
... • NetSHM is the next step to WISDEN. • A sensor network system that Structural engineers can program in higher level language such as Matlab/C ...
Layer 2 Routing Tutorial
... Classic IP uses IP addresses to perform the routing between hosts on different subnets Mechanisms (eg Neighbor Discovery) designed with the assumption that IP multicast will work over link-local scope But this simple model breaks down if the underlying media doesn’t allow all hosts in a subnet to se ...
... Classic IP uses IP addresses to perform the routing between hosts on different subnets Mechanisms (eg Neighbor Discovery) designed with the assumption that IP multicast will work over link-local scope But this simple model breaks down if the underlying media doesn’t allow all hosts in a subnet to se ...
System and Network Security Practices
... Install most secure and up-to-date versions of system applications Remove all privileges and access rights, then grant back access only on an “as needed” base. ...
... Install most secure and up-to-date versions of system applications Remove all privileges and access rights, then grant back access only on an “as needed” base. ...
ppt for Chapters 1-5 - Computer and Information Sciences
... ►” An (almost) arbitrary number of Ethernets can be connected together with bridges” ►”A set of bridged segments acts like a single Ethernet” (“transparent”) ► “Most bridges . . . Make intelligent decisions about which frames to forward” -- No “runts” ► Special case when bridge first powered up -- ...
... ►” An (almost) arbitrary number of Ethernets can be connected together with bridges” ►”A set of bridged segments acts like a single Ethernet” (“transparent”) ► “Most bridges . . . Make intelligent decisions about which frames to forward” -- No “runts” ► Special case when bridge first powered up -- ...
Evaluating the impact of RTS-CTS in OLPC`s XOs` Mesh Networks
... Therefore XOs can perform as STAs or MPs. They can also perform the MPP role and forward traffic in and out the mesh. There are two methods of turning an XO into a MPP. The first is to connect the XO to the wired infrastructure using an external USB-Ethernet adapter and forward traffic between the w ...
... Therefore XOs can perform as STAs or MPs. They can also perform the MPP role and forward traffic in and out the mesh. There are two methods of turning an XO into a MPP. The first is to connect the XO to the wired infrastructure using an external USB-Ethernet adapter and forward traffic between the w ...
Powerpoint
... Electronic “conversations” – email, bulletin boards, chat rooms – different than face-to-face, phone, mail World ...
... Electronic “conversations” – email, bulletin boards, chat rooms – different than face-to-face, phone, mail World ...
Wireless security
![](https://commons.wikimedia.org/wiki/Special:FilePath/ADSL_router_with_Wi-Fi_(802.11_b-g).jpg?width=300)
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. The most common types of wireless security are Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA). WEP is a notoriously weak security standard. The password it uses can often be cracked in a few minutes with a basic laptop computer and widely available software tools. WEP is an old IEEE 802.11 standard from 1999, which was outdated in 2003 by WPA, or Wi-Fi Protected Access. WPA was a quick alternative to improve security over WEP. The current standard is WPA2; some hardware cannot support WPA2 without firmware upgrade or replacement. WPA2 uses an encryption device that encrypts the network with a 256-bit key; the longer key length improves security over WEP.Many laptop computers have wireless cards pre-installed. The ability to enter a network while mobile has great benefits. However, wireless networking is prone to some security issues. Hackers have found wireless networks relatively easy to break into, and even use wireless technology to hack into wired networks. As a result, it is very important that enterprises define effective wireless security policies that guard against unauthorized access to important resources. Wireless Intrusion Prevention Systems (WIPS) or Wireless Intrusion Detection Systems (WIDS) are commonly used to enforce wireless security policies.The risks to users of wireless technology have increased as the service has become more popular. There were relatively few dangers when wireless technology was first introduced. Hackers had not yet had time to latch on to the new technology, and wireless networks were not commonly found in the work place. However, there are many security risks associated with the current wireless protocols and encryption methods, and in the carelessness and ignorance that exists at the user and corporate IT level. Hacking methods have become much more sophisticated and innovative with wireless access. Hacking has also become much easier and more accessible with easy-to-use Windows- or Linux-based tools being made available on the web at no charge.Some organizations that have no wireless access points installed do not feel that they need to address wireless security concerns. In-Stat MDR and META Group have estimated that 95% of all corporate laptop computers that were planned to be purchased in 2005 were equipped with wireless cards. Issues can arise in a supposedly non-wireless organization when a wireless laptop is plugged into the corporate network. A hacker could sit out in the parking lot and gather information from it through laptops and/or other devices, or even break in through this wireless card–equipped laptop and gain access to the wired network.