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Topic: Access control

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  Access control - Wikipedia, the free encyclopedia
Access control is the ability to permit or deny the use of an object (a passive entity, such as a system or file) by a subject (an active entity, such as an individual or process).
Access control techniques are generally categorized as either discretionary or mandatory.
In public policy, access control to restrict access to systems ("authorization") or to track or monitor behavior within systems ("accountability") is an implementation feature of using trusted systems for security or social control.
en.wikipedia.org /wiki/Access_control   (1313 words)

 Role Based Access Control
The controls are discretionary in the sense that a subject with a certain access permission is capable of passing that permission (perhaps indirectly) on to any other subject (unless restrained by mandatory access control).
Access control in the rules above does not require any checks on the user's right to access a data object, or on the transformation procedure's right to access a data item, since the data accesses are built into the transaction.
Requiring the system to control access of transaction programs to objects through the access function used in rule (4) might then be a useful form of redundancy, but it could involve significant overhead for a limited benefit in enforcing integrity requirements.
csrc.nist.gov /rbac/Role_Based_Access_Control-1992.html   (3776 words)

 Building Access Control
The use of access control in campus buildings is expected to increase over the next few years to include all university buildings.
Access to University facilities may be issued to departments, University faculty, staff, graduate assistants, students, and non-University persons with written authorization from the appropriate dean, director, or department head.
Access cards for short-term access shall be issued for a specified time period and must be returned to the issuing office as specified.
safetyweb.uoregon.edu /general/access_control.htm   (571 words)

 Access Control - Security Systems UK
AC Controls is a specialist in the field of access control offering a complete design, installation and maintenance package that is taylor made to each individual clients requirements and objectives.
Access Control systems can be as flexible or as rigid as required, from allowing all employees access to all areas, simply monitoring their whereabouts to a comprehensive system which can be adjusted according to levels of security across employees and area.
Some of the many benefits of installing access control in your organisation are restricting walk-through traffic into secure areas and reducing the use of easily copied keys as well as making cost savings on lock replacement with electronic systems where personnel access levels can be changed in a matter of minutes.
www.accontrols.co.uk /solutions/accesscontrol.html   (587 words)

 TechExams.Net - Security+ TechNote: Access Control
With access controls in place, users are identified, authenticated, and authorized before they can actually access resources or perform operations on a system.
Access control models provide a model for developers who need to implement access control functionality in their software and devices.
This access control model can increase the level of security, because it is based on a policy that does not allow any operation not explicitly authorized by an administrator.
www.techexams.net /technotes/securityplus/mac_dac_rbac.shtml   (1236 words)

 ProCurve Networking by HP - Network Security: ProCurve Access Control Security Solution White Paper
Any comprehensive access control solution must identify individual users, establish the types of services they are authorized to use and set their access levels accordingly.
Network access control resembles an airport—there are different levels of access for different employees, people come and go at all hours and they have to swipe an access card or provide ID to enter certain areas.
Controlling access to networks is a huge task—and will remain so as the trends of the Internet, mobile computing and convergence continue to change how corporations work.
www.hp.com /rnd/pdf_html/access_control_security_wp.htm   (1993 words)

 ProCurve Networking by HP - Access Control Security Solution Technical Brief
Access is controlled at the LAN edge – intelligent switches deal with user authentication individually and rely on commands from a central server to set authorization levels before a user is granted access.
In the future, well constructed, intelligent networks will have access control systems that prevent 95 percent of attacks and drastically cut the risk from external or internal sources by providing a clear authorization process and audit trail that's commanded from a central server, yet controlled by switches at the edge for rapid authentication and authorization.
The ProCurve Access Control Security solution is the first comprehensive offering from ProCurve that addresses the authentication of end users to a LAN using 802.1X standard and RADIUS technology implemented on edge switches.
www.hp.com /rnd/pdf_html/access_control_security_brief.htm   (3172 words)

 eTrust Access Control
Protecting this data and restricting access to these processes is a challenge since native operating systems in distributed environments do not provide adequate data security.
A single eTrust Access Control security policy can be centrally created and automatically distributed and enforced across a variety of UNIX and Windows NT/2000 operating systems with minimal time and effort.
Access Control has the unique ability to prohibit users from "hiding behind" the superuser account and performing untraceable actions.
www.ebusiness-security.com /eTrust_Access_control.htm   (698 words)

 Implementing Security Access Control (SAC)
Security access control is the act of ensuring that an authenticated user accesses only what they are authorized to and no more.
For example, although you may be asked to control access to specific columns of specific rows within a database based on complex business rules you may not be able to implement this in a cost effective manner that also conforms to performance constraints.
When a user attempts to interact with a database his or her permissions are checked, and if the user is not authorized to perform part of the interaction, which could be a transaction, the interaction fails and an error is returned.
www.agiledata.org /essays/accessControl.html   (2153 words)

 Authentication, Authorization, and Access Control
Access can be granted or denied based on a wide variety of criteria, such as the network address of the client, the time of day, the phase of the moon, or the browser which the visitor is using.
Access control is analogous to locking the gate at closing time, or only letting people onto the ride who are more than 48 inches tall - it's controlling entrance by some arbitrary condition which may or may not have anything to do with the attributes of the particular visitor.
And so every time a document is accessed which is secured with basic or digest authentication, Apache has to open up those text password files and look through them one line at a time, until it finds the user that is trying to log in, and verifies their password.
httpd.apache.org /docs/1.3/howto/auth.html   (5326 words)

 [No title]
Access controls can be implemented at various points in a network.
Access control can be managed in centralized or de-centralized models.ó Ÿ¨Access Control¡Ÿ¨Access Control Implementation Points Network Level- Entire network based on source of request.
Access is based on role and the privilege associated with that role.
www.nitpa.org /articles/globalit/access_control.ppt   (1011 words)

 Access Control
Access Control is an internal (to an operating system) protection mechanism.
One form of access control is seen in CPU instructions that may only be executed in supervisor mode, which usually amounts to within the kernel.
Mandatory access control (MAC) involves aspects that the user cannot control (or is not usually allowed to control).
www.kernelthread.com /publications/security/ac.html   (1465 words)

 StillSecure - Safe Access - Network access control solution
Safe Access is designed for enterprise deployments, where tens or hundreds of thousands of endpoints must be controlled.
Administrative access to the system is strictly controlled through user roles and cluster assignments.
Administrators have complete control over the depth and frequency with which end-users are informed of testing activities and results.
www.stillsecure.com /safeaccess/index.php   (1045 words)

 eTrust Access Control FAQs
When access to resources is permitted to groups, the rule is not enforced on users until they are connected to or removed from the group.
The eTrust Access Control Security Administrator is a GUI console from which it is possible to manage multiple, heterogeneous environments, including UNIX security, and WindowsNT/2000.
It is recommended that eTrust Access Control be put into the general startups to provide protection in the event of an unforeseen system reboot.
www.ebusiness-security.com /FAQs/eTrust_Access_Control_faqs.htm   (1784 words)

 Access Control System
When choosing an access control package to control the access in your facility there are a few primary factors that you must know.
This is the number of physical doors that you wish to electronically control with a software driven access control system.
Companies that wish to have an access control system may begin to realize that the price for a quality system is out of their cash range.
www.maglocks.com /Access_Control.htm   (552 words)

 Access control list - Wikipedia, the free encyclopedia
It is a means of determining the appropriate access rights to a given object depending on certain aspects of the process that is making the request.
File-system based ACLs cannot implement all of the security measures that an organization may require on all systems, and a fine-grained capability-based access control system may be a better approach, with the authority transferred from the objects being accessed to the objects seeking access — allowing for much finer-grained control.
Access control lists can generally be configured to control both inbound and outbound traffic, and in this context they are similar to firewalls.
en.wikipedia.org /wiki/Access_Control_List   (376 words)

 Physical Access Control
You can start by controlling one door in a single building and expand to a worldwide network controlling hundreds of doors thousands of miles apart -- without replacing any of your original access control equipment.
IDentiPASS LT An economical introduction to Windows-based access control that can be tailored to meet the access requirements of up to 6,000 cardholders.
IDenticard physical access control systems work with a wide range of card readers, including biometric, proximity, bar code and magnetic stripe.
www.identicard.com /products/accesscontrol.htm   (146 words)

 Kaba - Access Control Systems   (Site not responding. Last check: 2007-11-06)
The new B-Net 92 50 Access Control Manager with its compact design is especially suitable for small access solutions.
In an access system, this module extends the performance range of the B-Net 92 50 and Bedanet 92 90 controls with additional door opening and monitoring functions.
For single door solutions or gates, a subterminal is connected to the control Bedanet 92 20 S.
www.kaba-benzing.com /EN/access-control.html   (650 words)

 TWikiAccessControl < TWiki < TWiki   (Site not responding. Last check: 2007-11-06)
Access control, combined with TWikiUserAuthentication, lets you easily create and manage an extremely flexible, fine-grained privilege system.
Access control: Restrict access to content based on users and groups once a user is identified.
Access control is based on the familiar concept of Users and Groups.
twiki.org /cgi-bin/view/TWiki/TWikiAccessControl   (4359 words)

 Controlling Access to Members of a Class (The Java™ Tutorials > Learning the Java Language > Classes and ...
Access level modifiers determine whether other classes can use a particular field or invoke a particular method.
The first data column indicates whether the class itself has access to the member defined by the access level.
The second column indicates whether classes in the same package as the class (regardless of their parentage) have access to the member.
java.sun.com /docs/books/tutorial/java/javaOO/accesscontrol.html   (503 words)

 Media Access Control - Wikipedia, the free encyclopedia
The Media Access Control (MAC) data communication protocol sub-layer is the part of the seven-layer OSI model data link layer (layer 2).
It provides addressing and channel access control mechanisms that makes it possible for several terminals or network nodes to communicate within a multipoint network, typically a local area network (LAN) or metropolitan area network (MAN).
Media access control is often used as synonym to multiple access protocol, since the MAC sublayer provides the protocol and control mechanisms that are required for a certain channel access method.
en.wikipedia.org /wiki/Media_Access_Control   (285 words)

 What is access control list? - a definition from Whatis.com - see also: ACL
- An access control list (ACL) is a table that tells a computer operating system which access rights each user has to a particular system object, such as a file directory or individual file.
Each ACL has one or more access control entries (ACEs) consisting of the name of a user or group of users.
At Stanford University, access control lists are explained as part of an Andrew File System (Andrew file system) under a UNIX system.
searchsecurity.techtarget.com /sDefinition/0,,sid14_gci213757,00.html   (349 words)

 Kaba Ilco - Access Control
Access control is vital to providing a safe and secure environment.
Restricting access at specific entry points to authorized people is the basic definition of access control.
Kaba Access Control takes access control a step further – offering a wide range of powerful security solutions that work together to give you Complete Control.
www.kaba-ilco.com /access_control/index.aspx   (61 words)

 Juniper Networks :: Access Control - Unified
Users accessing the WAN from within the LAN without any access controls can open the enterprise to a host of threats.
Enterprises need to be able to identify these users and control the level of access within the network to the various constituents to meet their security and regulatory compliance requirements.
Juniper Networks Unified Access Control solution combines user identity and device security state information with network location information, to create a unique access control policy for each user.
www.juniper.net /products/ua   (435 words)

 Products - Honeywell Access Systems
Designed to work together seamlessly, Honeywell Access Systems' products provide you with the technology you need to deliver sophisticated security solutions—from the simplest to the most challenging.
State-of-the-art access control software that integrates the most advanced security technologies with innovative networking capabilities to bring you full-featured security solutions serving any size facility.
Enhance your investment in access control and perimeter security by providing a simple and effective way to register, badge, track and manage your facility's visitor traffic.
www.honeywellaccess.com /products/index.html   (275 words)

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