
slides - The Fengs
... – Program that promiscuously monitors and injects network traffic to/from machines it is protecting – Monitors net for SYN packets not acknowledged after a certain period of time – If it detects problems with a half-open connection it can • Send RST packets to the sender to release destination resou ...
... – Program that promiscuously monitors and injects network traffic to/from machines it is protecting – Monitors net for SYN packets not acknowledged after a certain period of time – If it detects problems with a half-open connection it can • Send RST packets to the sender to release destination resou ...
IV. Proposed System
... Since the last decade the uses of the internet has spectacular impact over the society around the world, which also give a new opportunity to intruder to attack on the network which result in a jeopardize on one privacy and many others. In context develop a system which provide security on network. ...
... Since the last decade the uses of the internet has spectacular impact over the society around the world, which also give a new opportunity to intruder to attack on the network which result in a jeopardize on one privacy and many others. In context develop a system which provide security on network. ...
SSL and IPSec
... • Encapsulate IP packet (IP header and IP data) • Use IP to send IPsec-wrapped packet • Note: IP header protected ...
... • Encapsulate IP packet (IP header and IP data) • Use IP to send IPsec-wrapped packet • Note: IP header protected ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... advantage of Wi-Fi based navigation system function is that it can effectively locate a vehicle which is inside big campuses like universities, airports, and tunnels. Communication capabilities in vehicles are the basis of an envisioned Intelligent Vehicular Ad-Hoc Network (InVANET) or Intelligent T ...
... advantage of Wi-Fi based navigation system function is that it can effectively locate a vehicle which is inside big campuses like universities, airports, and tunnels. Communication capabilities in vehicles are the basis of an envisioned Intelligent Vehicular Ad-Hoc Network (InVANET) or Intelligent T ...
01101014
... growth was ten times higher than that of the previous year. Afterwards, a few new ISPs started their venture recording a proportionate growth in number of users. As of now the total number of ISPs in the country is approximately seventy and there are approximately 300 thousand users connected to the ...
... growth was ten times higher than that of the previous year. Afterwards, a few new ISPs started their venture recording a proportionate growth in number of users. As of now the total number of ISPs in the country is approximately seventy and there are approximately 300 thousand users connected to the ...
paper
... wireless networks with multihome clients provide worldwide internet access by combining various wireless technologies [3]. Mobile devices with multiple wireless interfaces such as cellular and Wi-Fi are widely available in the markets. Therefore, when such a user equipment having access to such mult ...
... wireless networks with multihome clients provide worldwide internet access by combining various wireless technologies [3]. Mobile devices with multiple wireless interfaces such as cellular and Wi-Fi are widely available in the markets. Therefore, when such a user equipment having access to such mult ...
Basic Networking Tutorial
... in a network, people can share files and peripherals such as modems, printers, tape backup drives, or CD-ROM drives. When networks at multiple locations are connected using services available from phone companies, people can send e-mail, share links to the global Internet, or conduct video conferenc ...
... in a network, people can share files and peripherals such as modems, printers, tape backup drives, or CD-ROM drives. When networks at multiple locations are connected using services available from phone companies, people can send e-mail, share links to the global Internet, or conduct video conferenc ...
On Monitoring of End-to-End Packet Reordering over the Internet Bin Ye
... Load balancing policies within networks introduce switch-level parallelism. Route flapping, where routes between autonomous systems (AS) change frequently, also causes different packets of the same stream to take different paths possibly leading to out-of-order delivery. In wireless communication, t ...
... Load balancing policies within networks introduce switch-level parallelism. Route flapping, where routes between autonomous systems (AS) change frequently, also causes different packets of the same stream to take different paths possibly leading to out-of-order delivery. In wireless communication, t ...
PDF
... identity of the endpoints. The protocol also embodies cryptographic commitments, join certificates, and disruption proofs to identify and exclude misbehaving hosts. The overall goals of CliqueNet, and the techniques used to achieve them, are: • Strong Anonymity: The system should provide strong, tha ...
... identity of the endpoints. The protocol also embodies cryptographic commitments, join certificates, and disruption proofs to identify and exclude misbehaving hosts. The overall goals of CliqueNet, and the techniques used to achieve them, are: • Strong Anonymity: The system should provide strong, tha ...
OSI Defense in Depth to Increase Application Security
... protection methods are the responsibility of the programmer at this layer. Backdoor attacks occur at this level and it is the programmer’s responsibility to close those doors. IT managers can use access control methods described to assist in preventing backdoor attacks; also, IT managers can set up ...
... protection methods are the responsibility of the programmer at this layer. Backdoor attacks occur at this level and it is the programmer’s responsibility to close those doors. IT managers can use access control methods described to assist in preventing backdoor attacks; also, IT managers can set up ...
Lecture3
... cryptographic checksum or hash of message • Authentication also provided if hash covers: – Shared secret key, sender’s identity & message – Fields that are changed while packet traverses Internet are set to zero in calculation of hash ...
... cryptographic checksum or hash of message • Authentication also provided if hash covers: – Shared secret key, sender’s identity & message – Fields that are changed while packet traverses Internet are set to zero in calculation of hash ...
CEN 4500C Computer Networks Fundamentals
... R4. Describe why an application developer might choose to run an application over UDP rather than TCP. Give examples of such applications. (4 points) An application developer may not want its application to use TCP’s congestion control, which can throttle the application’s sending rate at times of c ...
... R4. Describe why an application developer might choose to run an application over UDP rather than TCP. Give examples of such applications. (4 points) An application developer may not want its application to use TCP’s congestion control, which can throttle the application’s sending rate at times of c ...
University of Tehran
... Interlan switches, bridge are powerful but not scalable to WAN. Problem with Layer 2 switching is that it takes network as a flat network. ...
... Interlan switches, bridge are powerful but not scalable to WAN. Problem with Layer 2 switching is that it takes network as a flat network. ...
Broadcast Routing - UCLA Computer Science
... whoever gets the token can send one data frame, then passes token to next node A master station generates the token and monitors its ...
... whoever gets the token can send one data frame, then passes token to next node A master station generates the token and monitors its ...
Soft Computing Techniques for Mishaps Prediction
... condition and climate condition that were causally connected with different injury harshness [11, 12, 13 and 14]. This can help decision makers to improve traffic safety control policies. This paper proposed the using of soft computing techniques like MLP neural networks and hybrid techniques to bui ...
... condition and climate condition that were causally connected with different injury harshness [11, 12, 13 and 14]. This can help decision makers to improve traffic safety control policies. This paper proposed the using of soft computing techniques like MLP neural networks and hybrid techniques to bui ...
IST Notes - The Bored of Studies Community
... o Sharing applications: Networks enable users to share applications. Usually a network licence is cheaper and can be installed faster. o Sharing data: Networks provide a very fast method for sharing and transferring files. Many networks have a file server to store data which can be accessed from any ...
... o Sharing applications: Networks enable users to share applications. Usually a network licence is cheaper and can be installed faster. o Sharing data: Networks provide a very fast method for sharing and transferring files. Many networks have a file server to store data which can be accessed from any ...
UNIX Networking
... • Server is a process that is waiting to be contacted by a client process so that server can do something for the client. – Server is started, sleeps waiting for a service request from a client – Client processes started on same system or another system within a network. – Client process sends a req ...
... • Server is a process that is waiting to be contacted by a client process so that server can do something for the client. – Server is started, sleeps waiting for a service request from a client – Client processes started on same system or another system within a network. – Client process sends a req ...
Networking and the Internet
... • Before sending data, a node listens to the channel for a period. – If the channel is silent, it sends data. – If the channel is busy, it waits another random period. After waiting, if the channel is silent, it ...
... • Before sending data, a node listens to the channel for a period. – If the channel is silent, it sends data. – If the channel is busy, it waits another random period. After waiting, if the channel is silent, it ...
投影片 1
... • The biggest problem when the deadline is closer and closer… – Learning curve is not linear. • Easy to build scenarios, but hard to modify/add protocols. – Poor documentation. (compare to OPNET) – Does not Support Chinese? ...
... • The biggest problem when the deadline is closer and closer… – Learning curve is not linear. • Easy to build scenarios, but hard to modify/add protocols. – Poor documentation. (compare to OPNET) – Does not Support Chinese? ...
Outline CSE 713: Wireless Networks Security – Principles and Practices p
... Created especially for use in 802.11i RSN Builds on top of counter mode Uses CBC (Cipher Block Chaining) in conjunction with Counter mode to produce a MIC (Message Integrity Code) for authentication purposes CBC-MAC operates as follows Take the first block and encrypt it using AES XOR re ...
... Created especially for use in 802.11i RSN Builds on top of counter mode Uses CBC (Cipher Block Chaining) in conjunction with Counter mode to produce a MIC (Message Integrity Code) for authentication purposes CBC-MAC operates as follows Take the first block and encrypt it using AES XOR re ...
for TCP
... – Consequence: Sender must buffer all TPDUs sent – May need to retransmit • Receiver needs to buffer – Out of order TPDUs – Flow control to application(s) (maximize tranmission speed) • Sender TP layer also buffers to even flow from its application(s) (smooth out bursts to match network) • Buffering ...
... – Consequence: Sender must buffer all TPDUs sent – May need to retransmit • Receiver needs to buffer – Out of order TPDUs – Flow control to application(s) (maximize tranmission speed) • Sender TP layer also buffers to even flow from its application(s) (smooth out bursts to match network) • Buffering ...
ppt
... • Yes, but only to improve performance • If network is highly unreliable • Adding some level of reliability helps performance, not correctness • Don’t try to achieve perfect reliability! • Implementing a functionality at a lower level should have minimum performance impact on the applications that d ...
... • Yes, but only to improve performance • If network is highly unreliable • Adding some level of reliability helps performance, not correctness • Don’t try to achieve perfect reliability! • Implementing a functionality at a lower level should have minimum performance impact on the applications that d ...
chap03
... • It defines the message format and the message transfer agent (MTA), which stores and forwards the mail to SMTP, POP3, and IMAP4 servers • Supports MIME (multipurpose Internet mail extensions) and other encoding methods to enable program and multimedia files to be attached to e-mail messages E-Busi ...
... • It defines the message format and the message transfer agent (MTA), which stores and forwards the mail to SMTP, POP3, and IMAP4 servers • Supports MIME (multipurpose Internet mail extensions) and other encoding methods to enable program and multimedia files to be attached to e-mail messages E-Busi ...
PPT
... Current version OpenFlow limitations Non-flow-based(per-packet) networking Use all tables on switch chips New forwarding primitives New packet formats/field definitions Low-setup time individual flows But can push flows proactively ...
... Current version OpenFlow limitations Non-flow-based(per-packet) networking Use all tables on switch chips New forwarding primitives New packet formats/field definitions Low-setup time individual flows But can push flows proactively ...