Slides - UB Computer Science and Engineering
... institutional link to ISP (Internet) institutional router Ethernet switch ...
... institutional link to ISP (Internet) institutional router Ethernet switch ...
- Snistnote
... • Priority: In managing access and communications time, the technique should be able to give priority to some stations over other stations to facilitate different type of services needed. • Limitations to one station: The techniques should allow transmission by one station at a time. • Receipt: The ...
... • Priority: In managing access and communications time, the technique should be able to give priority to some stations over other stations to facilitate different type of services needed. • Limitations to one station: The techniques should allow transmission by one station at a time. • Receipt: The ...
MIS 4850 Systems Security
... If Source IP Address = 10.*.*.*, DENY [Private IP Address Range] If Source IP Address = 172.16.*.* to 172.31.*.*, DENY [Private IP Address Range] If Source IP Address = 192.168.*.*, DENY [Private IP Address Range] If source IP address = 60.47.*.*, DENY [internal address range] If TCP SYN=1 AND FIN=1 ...
... If Source IP Address = 10.*.*.*, DENY [Private IP Address Range] If Source IP Address = 172.16.*.* to 172.31.*.*, DENY [Private IP Address Range] If Source IP Address = 192.168.*.*, DENY [Private IP Address Range] If source IP address = 60.47.*.*, DENY [internal address range] If TCP SYN=1 AND FIN=1 ...
user guide - SMC Networks
... Military Radiolocation use. Refarming of the 2.4 GHz band has been ongoing in recent years to allow current relaxed regulation. Full implementation planned 2012 ...
... Military Radiolocation use. Refarming of the 2.4 GHz band has been ongoing in recent years to allow current relaxed regulation. Full implementation planned 2012 ...
CS1391722
... WiFi stations communicate through the access point (AP). In this mode, the 802.l1 network architecture, illustrated in Fig.2, is its hierarchical representation. Its basic element is the Basic Service Set (BSS), which is the red on the area covered by one AP. A BSS may also be part of larger network ...
... WiFi stations communicate through the access point (AP). In this mode, the 802.l1 network architecture, illustrated in Fig.2, is its hierarchical representation. Its basic element is the Basic Service Set (BSS), which is the red on the area covered by one AP. A BSS may also be part of larger network ...
AirO Admin Guide v13
... router close behind the access point. It indicates the round-trip delay between sending a packet to this gateway and receiving a response. o Ping results vary quite widely o With good conditions, a stable delay of less than 20 msec is expected o If ping times are consistently over 100 msec, applicat ...
... router close behind the access point. It indicates the round-trip delay between sending a packet to this gateway and receiving a response. o Ping results vary quite widely o With good conditions, a stable delay of less than 20 msec is expected o If ping times are consistently over 100 msec, applicat ...
Ambient Networks – An Architecture for Communication Networks Beyond 3G
... Networks focus on integrated mobility concepts not only applicable for both of the above scenarios, but also integrating localised communications, e.g. in PANs, and device-device interactions. In dynamically composed network architectures, mobility of user group clusters can support effective local ...
... Networks focus on integrated mobility concepts not only applicable for both of the above scenarios, but also integrating localised communications, e.g. in PANs, and device-device interactions. In dynamically composed network architectures, mobility of user group clusters can support effective local ...
(Ch.7, Part 2): Security in Networks – Part 2 – LONG version
... Slides based on Security in Computing. Third Edition by Pfleeger and Pfleeger. Using some slides courtesy of: Prof. Aaron Striegel — course taught at U. of Notre Dame Prof. Barbara Endicott-Popovsky and Prof. Deborah Frincke (U. Idaho) — taught at U. Washington ...
... Slides based on Security in Computing. Third Edition by Pfleeger and Pfleeger. Using some slides courtesy of: Prof. Aaron Striegel — course taught at U. of Notre Dame Prof. Barbara Endicott-Popovsky and Prof. Deborah Frincke (U. Idaho) — taught at U. Washington ...
AWS presentation_20160822
... AWS Directory Service is a managed service offering, providing directories that contain information about your organization, including users, groups, computers, and other resources. You can choose from 3 different directory types, including AWS Directory Service for Microsoft Active Directory (Enter ...
... AWS Directory Service is a managed service offering, providing directories that contain information about your organization, including users, groups, computers, and other resources. You can choose from 3 different directory types, including AWS Directory Service for Microsoft Active Directory (Enter ...
Chapter 13 PowerPoint
... The original implementation of PPTP used MS-CHAP as the authentication protocol. The latest update to PPTP has added support for MSCHAPv2 and EAP authentication. With PPTP deployed, it is possible to determine the password by using a dictionary attack if weak passwords have been used. If weak passwo ...
... The original implementation of PPTP used MS-CHAP as the authentication protocol. The latest update to PPTP has added support for MSCHAPv2 and EAP authentication. With PPTP deployed, it is possible to determine the password by using a dictionary attack if weak passwords have been used. If weak passwo ...
DWG875/DWG875T - Wireless Voice Gateway User manual CABLE SATELLITE
... Adapter (EMTA), this cable modem connects to cable systems using DOCSIS and PacketCable standards. (Check with your cable operator for compatibility.) The Thomson DWG875/DWG875T offers a high-speed connection to the Internet using an Ethernet ...
... Adapter (EMTA), this cable modem connects to cable systems using DOCSIS and PacketCable standards. (Check with your cable operator for compatibility.) The Thomson DWG875/DWG875T offers a high-speed connection to the Internet using an Ethernet ...
Manual: Emerson Smart Wireless Gateway 1410
... This section describes how to connect to the Gateway for the first time and what settings should be configured before placing it on a live control network. It is important to note that some Gateways are used in stand-alone applications and do not reside on a network. In these cases, it is still impo ...
... This section describes how to connect to the Gateway for the first time and what settings should be configured before placing it on a live control network. It is important to note that some Gateways are used in stand-alone applications and do not reside on a network. In these cases, it is still impo ...
No Slide Title
... • A self-contained private network. • It may consist of many interlinked local area networks and also use leased lines in a wide area network. ...
... • A self-contained private network. • It may consist of many interlinked local area networks and also use leased lines in a wide area network. ...
Wormhole attacks
... The authors derive trust levels in neighboring nodes based on their sincerity in execution of the routing protocol. ...
... The authors derive trust levels in neighboring nodes based on their sincerity in execution of the routing protocol. ...
elc200day5
... • Protocols are pieces of software that run on every node or computer and allow every pair of computers to communicate directly without having to know much about each other, except for the IP address • Protocols govern communication between peer processes on different systems • Differing client brow ...
... • Protocols are pieces of software that run on every node or computer and allow every pair of computers to communicate directly without having to know much about each other, except for the IP address • Protocols govern communication between peer processes on different systems • Differing client brow ...
Packet-Hiding Methods for Preventing Selective Jamming Attacks
... data is passed via a 1/2-rate encoder before it is mapped to an OFDM symbol of q = 48 bits. In this case, decoding of one symbol provides 24 bits of data. At the highest data rate of 54 Mbps, 216 bits of data are recovered per symbol. From our analysis, it is evident that intercepting the first few ...
... data is passed via a 1/2-rate encoder before it is mapped to an OFDM symbol of q = 48 bits. In this case, decoding of one symbol provides 24 bits of data. At the highest data rate of 54 Mbps, 216 bits of data are recovered per symbol. From our analysis, it is evident that intercepting the first few ...
Exploitation of IoT devices for Launching Mass-Scale
... From IoT to Internal Network Compromise / Once an IoT device allows a remote user to form an SSH tunnel, and to use it as a SOCKS proxy, the attacker is not limited to only mounting attacks against Internet-facing servers, but also as a “beachhead” to launch attacks against the internal network host ...
... From IoT to Internal Network Compromise / Once an IoT device allows a remote user to form an SSH tunnel, and to use it as a SOCKS proxy, the attacker is not limited to only mounting attacks against Internet-facing servers, but also as a “beachhead” to launch attacks against the internal network host ...
Some of the forces driving WLAN (re)design
... switches…But 802.11 has no concept of VLANs or multicast, only broadcast to all associated devices. ...
... switches…But 802.11 has no concept of VLANs or multicast, only broadcast to all associated devices. ...
Mobile IP Principals, Cont…
... A node can disassociate when power down or leaving the service area It shall re-associate when it handoffs to another AP. AP bridge function keeps track of all nodes associated with it. ...
... A node can disassociate when power down or leaving the service area It shall re-associate when it handoffs to another AP. AP bridge function keeps track of all nodes associated with it. ...
Reference Manual for the 54 Mbps Wireless Router WGR614 v6 202-10099-01, April 2005
... Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interfer ...
... Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interfer ...
Chapter 9
... Single-packet attacks can be completed by sending a single network packet from client to host; no connection is required when one packet is sent like this; if IP Options settings are manipulated, a server can be forced to freeze or provide data to a hacker Multiple-packet attacks require a series of ...
... Single-packet attacks can be completed by sending a single network packet from client to host; no connection is required when one packet is sent like this; if IP Options settings are manipulated, a server can be forced to freeze or provide data to a hacker Multiple-packet attacks require a series of ...
PDF
... connectivity. However, the subscriber has a small network of PCs and wants to have Internet access for all the devices. The solution is to configure Network Address Translation (NAT) on the Cisco ADSL WIC. NAT is designed for IP address simplification and conservation. It enables private IP internet ...
... connectivity. However, the subscriber has a small network of PCs and wants to have Internet access for all the devices. The solution is to configure Network Address Translation (NAT) on the Cisco ADSL WIC. NAT is designed for IP address simplification and conservation. It enables private IP internet ...
here - Pearson
... We will also look at how attackers can alter the normal operation of a network We will look at both wired (LAN) and wireless (WLAN) networks Copyright Pearson Prentice Hall 2013 ...
... We will also look at how attackers can alter the normal operation of a network We will look at both wired (LAN) and wireless (WLAN) networks Copyright Pearson Prentice Hall 2013 ...
DOS ATTACK - DSpace at CUSAT
... This vulnerability is quite well known and was earlier commonly used to hang remote systems (or even force them to reboot) so that no users can use its services. This exploit no longer works, as almost all system administrators would have upgraded their systems making them safe from such attacks. In ...
... This vulnerability is quite well known and was earlier commonly used to hang remote systems (or even force them to reboot) so that no users can use its services. This exploit no longer works, as almost all system administrators would have upgraded their systems making them safe from such attacks. In ...
Wireless security
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.