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L19
L19

... – Slow-spreading installations can be difficult to detect – Can be spread quickly with worms ...
What is NIDS?
What is NIDS?

... Dealing with packet drops Partial reconstruction of host state --- If acknowledgement of TCP Segment of response to UPD or ICMP request --- then the request is accepted using only packets preceded the response --- if no response, then packets are dropped ...
Electronic-Supply Chain Information Security
Electronic-Supply Chain Information Security

... case, the user is responsible to protect, manage and update his passwords on a regular basis and to utilize a different one for each service (Warren, 2006). However, this is not the case for all users who often write them down on paper or a post-it, or just use the same password for every service. A ...
Nincs diacím
Nincs diacím

... - reconfiguration decisions based on the knowledge of a certain group of optical channel requests is definitely more efficient - sequence of reconfiguration actions is needed to set up the obtained optimal network state Extension - different objective functions can be used of the network ...
An introduction - comp
An introduction - comp

... Confidentiality (or secrecy): Prevent others from reading information shared between two participants. Authentication: Verify someone’s or something’s identity. Message integrity: Assure that the message received has not be altered since it was generated by a legitimate source. Nonrepudiation: A sen ...
Introduction (Pres.)
Introduction (Pres.)

... Computes paths across an interconnected mesh of links and packet switches Forwards packets over multiple links from source to destination ...
Computer Networks - CS132/EECS148
Computer Networks - CS132/EECS148

... -----------------------------------------------------------------------------Problem 1 (1 points) - What is the difference between pull and push network protocols? Explain the difference by using two example protocols. Pull : HTTP, POP, IMAP : client requests (pulls) data from server Push : SMTP , s ...
Mobile Ad hoc Network Security
Mobile Ad hoc Network Security

... • TI is used to classify the threat faced by mobile nodes. • Classifications used are normal, uncertain and vulnerable • Extensive simulation using ns2 software has been done • Currently we are in the process of testing the scenarios using specialized hardware ...
How to Configure SMART to Work with a Proxy Server
How to Configure SMART to Work with a Proxy Server

... Example shows proxy server IP address as 10.1.7.126 and port number is 809 pref("network.proxy.type", 1); pref("network.proxy.ssl", "10.1.7.126"); pref("network.proxy.ssl_port", 809); pref("network.proxy.http", "10.1.7.126"); pref("network.proxy.http_port", 809); 3. Save file. B) If Basic Authentica ...
introduction to networking
introduction to networking

... Networks offer advantages ...
Aalborg Universitet
Aalborg Universitet

... precise assessments must take into account the fact that the requirements for the given quality level are service-dependent. The backbone QoS monitoring and analysis requires processing of large amounts of data and knowledge of which kinds of applications the traffic is generated by. To overcome the ...
Week 6-7 - State University of Zanzibar
Week 6-7 - State University of Zanzibar

... • In the Session Layer a very important component exists in an attempt to prevent unwanted connections and that is authentication. • Basic authentication is instigated at the beginning of the TCP session. • If the session is hijacked after that authentication then the destination will ‘trust’ the hi ...
Slides
Slides

... Intermediate processors (IMPS, nodes, routers, gateways, switches) along the path store the incoming block of data. Each block is received in its entirety at the router, inspected for errors, and retransmitted along the path to the destination. This implies buffering at the router and one transmissi ...
ppt
ppt

... Solution: protocol software running on each host and router smooths out the differences between the different networks. Implements an internet protocol (i.e., set of rules) that governs how hosts and routers should cooperate when they transfer data from network to network. • TCP/IP is the protocol f ...
Managed Bandwidth Vipersat Management System (VMS)
Managed Bandwidth Vipersat Management System (VMS)

... Service providers are continually facing the problem of how to increase the value of their networks, while driving down costs to stay competitive. Similarly, enterprise users look for ways to decrease the space segment cost, and continue to enable reliable, high-quality transmission links to their f ...
Hash Collision Attack Vectors on the eD2k P2P
Hash Collision Attack Vectors on the eD2k P2P

... can either import an eD2k URI from an external source - usually a website, or perform a search through the client (either a server based or a distributed search). As is the case with most modern file sharing networks, a user which intends on locating a specific file must use certain techniques in or ...
PCI Compliance - University of Nevada, Reno
PCI Compliance - University of Nevada, Reno

... modified, deleted or rendered unavailable. Employees will only be authorized to view information based on what is required to perform their job. ...
evesecures9
evesecures9

... ◦ New Jan ’08 Federal Law requires that all data related to lawsuits (like a hiring discrimination lawsuit) must physically be put into secure locations ...
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... Note 8: Packet Switching Networks (Network Layer Protocols) ...
- adarshcampus.org
- adarshcampus.org

... Although the two end systems are aware of the transport-layer connection, the switches within the network are completely oblivious to it.  On the other hand, with a virtual-circuit network layer, packet switches along the path between the two end systems are involved in virtual-circuit setup, and e ...
the document - Support
the document - Support

... There are two types of network virtualization: N-to-1 and 1-to-N. In N-to-1 virtualization, multiple physical network resources are virtualized as a logical resource such as the stacking and cluster technology. In 1-to-N virtualization, one physical resource is virtualized into multiple logical reso ...
Introduction to Distributed Systems and Networking
Introduction to Distributed Systems and Networking

... Physical Layer: electrical details of bits on the wire Data Link: sending “frames” of bits and error detection Network Layer:” routing packets to the destination Transport Layer: reliable transmission of messages, disassembly/assembly, ordering, retransmission of lost packets • Session Layer; really ...
Document
Document

... Cover up  Altering or deletion of logs ...
Flow-based Performance Measurement
Flow-based Performance Measurement

... For mobile operator’s backhaul network, the applications are devided into multiple bearers with proper mobile QoS parameters (e.g. QCI). If the mobile network would manage bearers as QoS and applications, then the performance of backhaul is more like to be based on applications or QoS. ...
Embedded NGX 6.0 Release Notes
Embedded NGX 6.0 Release Notes

... Safe@Office 500 and 500W are the latest addition to the Check Point Unified Threat Management product line for the small businesses. The new products feature security appliances that deliver an all-in-one Internet security solution right out of the box. The Safe@Office 500W series features Check Poi ...
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Distributed firewall

A firewall is a system or group of systems (router, proxy, or gateway) that implements a set of security rules to enforce access control between two networks to protect ""inside"" network from ""outside"" network. It may be a hardware device or a software program running on a secure host computer. In either case, it must have at least two network interfaces, one for the network it is intended to protect, and one for the network it is exposed to. A firewall sits at the junction point or gateway between the two networks, usually a private network and a public network such as the Internet.
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