... Securing Networks with Private VLANs and VLAN Access Control Lists Trang 2Securing Networks with Private VLANs and VLAN Access Control ListsVLAN Access Control Lists Known Limitations of VACLs and PVLANs ... Background Information 2 Importance of Enforcing a Proper Trust Model 2 Private VLANs 3 VLAN Access Control Lists 4 Known Limitations of VACLs and PVLANs 4 Example Case Studies 5 Pass−Through DMZ ... Trang 1Table of ContentsSecuring Networks with Private VLANs and VLAN Access Control Lists 1 Document ID: 10601 1 Introduction 1 Before You Begin 1 Conventions 1 Prerequisites
Ngày tải lên: 17/04/2017, 08:33
... 1) Access Control in Open Systems (2) Trang 52.1) Proposed Access Control Architecture - BasicsInformationSystem Authorized Users Other Users Access ControlMechanism Trang 62.2) Proposed Access ... be used by access control mechanisms To limit granting privileges to potentially harmful users How to establish trust ? a trust decision? Using trust for attribute-based access control vulnerable ... Trang 17 Using Trust for Role-Based Access Control (RBAC)Prof. Bharat Bhargava Center for Education and Research in Information
Ngày tải lên: 30/01/2020, 10:17
BYPASSING NETWORK ACCESS CONTROL SYSTEMS potx
... on the same local network segment using them as a launch pad for accessing other parts of the network it may not be allowed to access (abusing their network access rights) 3.1.2 Lack of Knowledge ... directly access some organizational resources for additional services For example, access to DNS services requires access to a DNS server While permitting access to such resources, the access restrictions ... Trang 1Bypassing Network Access Control Systems Ofir Arkin Chief Technology Officer Insightix Ltd September 2006 Trang 21.0 Introduction to Network Access Control 1 1.1 NAC Capabilities
Ngày tải lên: 14/03/2014, 20:20
implementing nap & nac security technologies - the complete guide to network access control
... Complete Guide to Network Access Control Daniel V Hoffman Wiley Publishing, Inc. Trang 4Implementing NAP and NAC Security TechnologiesThe Complete Guide to Network Access Control Daniel V Hoffman ... guide to network access control / Daniel V Hoffman. p cm. Includes bibliographical references and index. ISBN 978-0-470-23838-7 (cloth : alk paper) 1 Computer networks — Access control 2 Computer ... would access This networkprovided access to campus resources, as well as access to the Internet Because of the mix of users and the fact that campus resources and the Internet wereboth accessed,
Ngày tải lên: 25/03/2014, 11:44
ACCESS CONTROL pdf
... “RFIDiots” Access Control Approaches Discretionary Access Control (DAC) Mandatory Access Control (MAC) Context-Based Access Control (CBAC) Role-Based Access Control (RBAC) Lattice-Based Access ... ACCESS CONTROL University of Maryland, Baltimore County William Newton wnewto1@umbc.edu May 2, 2007 What is access control? “Access control includes authentication, ... and concurrency control in commercial applications Access Control Structures Definitions: S set of subjects O set of objects A set of access operations Access Control Matrix
Ngày tải lên: 29/03/2014, 16:20
Access Control Models: From the real-world to trusted computing potx
... Insights from the real-world Access control to memory and generic objects – Discretionary Methods: Directory Lists, Access Control Lists, and the Access Control Matrix, Take-Grant Model – ... to change the access rules of an object it owns (discretionary access control) The access control matrix is a generic way of specifying rules, and is not beholden to any specific access rules ... objects Directory-based Access Control (aka Capability List): A list for each subject which specifies which objects that subject can access (and what rights) Access Control List: A list for
Ngày tải lên: 29/03/2014, 16:20
Medium access control survey kumar
... 3.2.3 Power control medium access control (PCM)Previous approaches of power control usedalternating sleep and wake states for nodes[27,32,34] In PCM[35], the RTS and CTS packetsare sent using the ... andthe bandwidth is divided into a control channeland multiple data channels One transceiver oper-ates on the control channel in order to exchangecontrol packets (using maximum power) forreserving ... (RTS/CTS) control packets to prevent collisions, e.g Multiple Access Collision Avoidance (MACA) [13] and MACA for Wireless LANs (MACAW) [14] Yet others use a combination of carrier sensing and control
Ngày tải lên: 28/04/2014, 13:40
access control list
... 1Access Control List ACL là gì ? Access–list dùng để giám sát lưu lượng vào hoặc ra trên một cổng Các điều kiện so sánh dựa vào access-list được định nghĩa trước, có thể đơn giản (standard access ... tra packet với standard access list Trang 7Cấu hình standard access-listRouter(config)# access-list access-list-number { permit | deny } source [wildcard-mask] Trong đó: access-list-number có giá ... sẽ lấy giá trị mặc định là:0.0.0.0 Dùng lệnh no ip access-list access-list-number để xóa entry access list Router(config-if)# ip access-group access-list-number { in | out } Câu lệnh này có tác
Ngày tải lên: 08/05/2014, 13:44
Báo cáo hóa học: " Inconsistency resolving of safety and utility in access control" potx
... not cause policy inconsistencies using “static pruning” technique (2) Reducing the number of access control states that need to be considered Given an access control state ε, for each SA policy ... area in access control for several decades Harrison et al [10] formalized a simple safety analysis that determining whether an access control system can reach a state in which an unsafe access ... by assuming that an access control state ε is given permissions are directly assigned to users; rather, we assume only that one can calculate the relation UP from the access control state Safety
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article AWPP: A New Scheme for Wireless Access Control Proportional to Traffic Priority and Rate" pdf
... Systems—LAN/MAN Specific Requirements—part 11 Wireless Medium Access Control and Physical Layer specifications, Amendment 8: Medium Access Control Quality of Service Enhancements, 2005 [3] A Hamidian ... the so-called Hybrid Coor-dinator (HC) to perform medium access control The HC is considered by the standard to be collocated with the Access Point (AP) The HCCA resource reservation mechanism ... (HCF), that includes the mandatory Enhanced Distributed Channel Access (EDCA) protocol and the optional Hybrid Control Channel Access (HCCA) protocol These two protocols greatly differ in nature
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks" doc
... relatively long-term random access periods TRAMA can provide collision-free medium access in a static network Energy efficiency isreduced by signaling traffic overhead and the random accessperiod requiring ... contention-based protocols 3 Energy Overhead in Channel Access MAC protocol can be divided into channel access andnetworking mechanisms The channel access mechanismdefines radio utilization for maintaining ... been published earlier in 4.1 TUTWSN Channel Access The designed TUTWSN channel access mechanism pursues to maximize energy transients, overhearing, control frame overhead, and sions These are
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article Anonymous Biometric Access Control" ppt
... information in various access control systems Access control in a distributed client-server system can generally be implemented by requesting digital credentials of the user wanting to access the system ... widespread deployment of access control systems, especially in many of the e-commerce applications [2] Among the different types of access control systems, Biometric Access Control (BAC) systems pose ... from an access control system that can verify the membership status using biometric signals while keeping the identity anonymous In this paper, we introduce Anonymous Biometric Access Control
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Energy-Efficient Medium Access Control Protocols for Wireless Sensor Networks" docx
... NetworkingVolume 2006, Article ID 39814, Pages 1 17 DOI 10.1155/WCN/2006/39814 Energy-Efficient Medium Access Control Protocols for Wireless Sensor Networks Qingchun Ren and Qilian Liang Department of Electrical ... carrier sensing is done before sending Since hidden problem is accessible for our system, the performance will be worse compared with using CSMA/CA scheme Fol-lowing experiments shows the chance ... storage, sensors, analog-to-digital converters (ADCs), a data transceiver, an energy source, and controllers that tie trans-mitting, but also receiving, or merely scanning a channel for recently,
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Multihop Medium Access Control for WSNs: An Energy Analysis Model" potx
... to medium access control (MAC) and multihop communications Further-more, the technique’s application gives insight on using multihop forwarding instead of single-hop communications Using the ... sensor networks can thus be completed using single-hop communications using this particular radio In this pa-per, we analyze topology, traffic, and medium access control effects on multihop energy efficiency ... 1without medium access control to show the basic effects of radio parameters on the energy consumption of a network Thereafter, we create an energy analysis technique for MAC protocols using the same
Ngày tải lên: 23/06/2014, 00:20
Báo cáo hóa học: " An Optimal Medium Access Control with Partial Observations for Sensor Networks" docx
... and stable algorithms for medium access control in multiple-accessed systems, in particular for sensor networks Keywords and phrases: MAC, feedback control, controlled Markov chains, Markov decision ... behavior of the controller. Trang 6action Control law Informationstate Estimation Observation System Figure 7: Illustrates the separation of estimation and control Sup-pose we have a controlled system, ... vertical axis is control intensity, and two controllers are shown: the thick black line corresponds to our optimal control law, the thin dotted line corresponds to a genie-aided controller that
Ngày tải lên: 23/06/2014, 00:20
Chapter 1: Declarations and Access Control docx
... to a class you create Access control in Java is a little tricky because there are four access controls (levels of access) but only three access modifiers The fourth access control level (called ... a few questions with access control playing a role Some questions test Trang 25several concepts of access control at the same time, so not knowing one small part of access control could blow an ... n Access certain methods and variables within class B, depending on the access control of those methods and variables In effect, access means visibility If class A can't see class B, the access
Ngày tải lên: 05/07/2014, 02:20
Báo cáo nghiên cứu khoa học: "USING ADAPTIVE CONTROL TO SOLVE THE TRACKING PROBLEM FOR A MOBILE MANIPULATOR" pptx
... supplied, and the geometric quality of the surface Thus, an adaptive controller is designed to obtain the control objective by using the estimates of the parameter pm pˆ mand p~ m are denoted as ... increasing the flexibility of system, the control of system with unknown parameter such as the arc length of the torch is considered, and an update control law based on the adaptive back-stepping ... paths In this paper, an adaptive controller is applied to a two-wheeled welding mobile manipulator to track a smooth 3D-curved welding trajectory To design a tracking controller, the tracking errors
Ngày tải lên: 22/07/2014, 02:20
Báo cáo Recent Advances in Access Control
... quả Trang 42 Classical Access Control Models 2.1 Điều khiển truy cập tùy quyền (Discretionary Access Control - DAC) Điều khiển truy cập tùy quyền (Discretionary Access Control - DAC) là một chính ... Đặng Trần Khánh SV Thực Hiện: Nhóm 2, Lớp K17 HTTT KHTN Trang 2Recent Advances in Access ControlSummary Access Control (AC) là tiến trình điều phối mỗi yêu cầu đến tài nguyên và dữ liệu lưu trên ... thể cùng có được 2.2 Điều khiển truy cập bắt buộc (Mandatory Access Control - MAC) Điều khiển truy cập bắt buộc (Mandatory Access Control - MAC) được dùng để bảo vệ và ngăn chặn các quy trình
Ngày tải lên: 29/06/2015, 14:17
Tài liệu giảng dạy CCNA - module 05 chapter 17-IP Access Control List Security
... 1Module 05 SecurityChapter 17 IP Access Control List Security Trang 2Table of Content1 Access Control List Fundamentals 2 Access Control Lists (ACLs) Trang 3ACCESS CONTROL LIST FUNDAMENTALS Trang ... Alert an ACL use no access-list access-list-number Trang 12ACL numbersTrang 13Creating ACLs: Step 2{protocol} access-group access-list-number {protocol} access-group access-list-number Router ... Router# show access-lists access-list access-list-number {permit | deny} protocol source [source-mask destination destination-mask operator operand] [established] access-list access-list-number
Ngày tải lên: 12/08/2015, 09:18
Access Control Lists
... Companies requirements using a VLSM design Subnets that will not be used are to be clearly identified in the table Copyright 2003, Cisco Systems, Inc Case Study: Access Control Lists (ACLs) 1-5 A ... Case Study: Access Control Lists (ACLs) 1-17 Phase 7: Final demonstration The company now wants a demonstration of the complete company internetwork All devices are to be configured and access to ... Name Network Number Subnet Mask VLA N Switchport Type Encapsulation (if needed) Case Study: Access Control Lists (ACLs) 1-7 Location: Switch Name: Switch IP address: Interface/Sub interface Type/Port/Number...
Ngày tải lên: 16/10/2013, 20:15