catalog . 引言 . 访问控制策略 . 访问控制方法.实现技术 . SELINUX 0. 引言 访问控制是网络安全防范和客户端安全防御的主要策略,它的主要任务是保证资源不被非法使用.保证网络/客户端安全最重要的核心策略之一.访问控制包括 . 入网访问控制 . 网络权限控制 . 目录级控制 . 属性控制等多种手段 访问控制相关领域知识是CISSP的重要章节,本文将重点讨论访问控制模型.及其相关的方法和技术 0x0: 访问控制概念组成 访问控制涉及到三个基本概念 . 主体 是一个主动的实体,…
1. 访问控制基本概念 访问控制是网络安全防范和客户端安全防御的重要基础策略,它的主要任务是保证资源不被非法使用.保证网络/客户端安全最重要的核心策略之一. 访问控制包括 入网访问控制 网络权限控制 目录级控制 属性控制等多种手段 访问控制相关领域知识是CISSP的重要章节,本文将重点讨论访问控制模型及其相关的方法和技术. 0x1: 访问控制概念组成元素 访问控制涉及到三个基本概念 主体:代表一个主动的实体,主体可以访问客体,它包括 用户 用户组 终端 主机 应用 客体:代表一个被动的实体,对客…
问题描述:Access restriction: The method 'CharacterEncoder.encode(byte[])' is not API... 解决方法:这种错误是eclipse设置问题,修改eclipse的设置即可:点击Windows --> Preferences --> Java --> Complicer --> Errors/Warnings --> Deprecated and restricted API中的Forbidden refer…
http://hi.baidu.com/akini/blog/item/eddbd61b90f6d4fbae513371.html RBAC 求助编辑百科名片 基 于角色的访问控制(Role-Based Access Control)作为传统访问控制(自主访问,强制访问)的有前景的代替受到广泛的关注.在RBAC中,权限与角色相关联,用户通过成为适当角色的成员而 得到这些角色的权限.这就极大地简化了权限的管理.在一个组织中,角色是为了完成各种工作而创造,用户则依据它的责任和资格来被指派相应的角色,…
A computing system is operable to contain a security module within an operating system. This security module may then act to monitor access requests by a web browser and apply mandatory access control security policies to such requests. It will be ap…
A method is provided for implementing a mandatory access control model in operating systems which natively use a discretionary access control scheme. A method for implementing mandatory access control in a system comprising a plurality of computers,…
1. INTRODUCTION   The main goal of the National Computer Security Center is to encourage the widespread availability of trusted computer systems. In support of that goal a metric was created, the Department of Defense Trusted Computer System Evaluati…
A Mandatory Access Control (MAC) aware firewall includes an extended rule set for MAC attributes, such as a security label or path. Application labels may be used to identify processes and perform firewall rule-checking. The firewall rule set may inc…
档 ID 420787.1 White Paper Oracle Applications Multiple Organizations Access Control for Custom Code Checked for relevance on 12-JAN-2011 See Change Record This document discusses how to update the customization code that is affected by the access con…
A role-based access control (RBAC) modeling and auditing system is described that enables a user to access and/or create security roles that can be applied to users of a first software application. When a security role having a particular set of perm…
A trusted computer system that offers Linux® compatibility and supports contemporary hardware speeds. It is designed to require no porting of common applications which run on Linux, to be easy to develop for, and to allow the use of a wide variety of…
Systems and methods are provided to manage risk associated with access to information within a given organization. The overall risk tolerance for the organization is determined and allocated among a plurality of subjects within the organization. Allo…
catalog . 简介 . 扩展属性 . 访问控制表 . 小结 0. 简介 许多文件系统都提供了一些特性,扩展了VFS层提供的标准功能,虚拟文件系统不可能为所有特性都提供具体的数据结构.超出标准的UNIX文件模型的附加特性,通常需要将一个组扩展属性关联到每个文件系统对象Linux内核能够提供的是一个框架,容许增加特定于文件系统的扩展,扩展属性(extended attribute xattrs)是能够关联到文件的任意属性,由于每个文件通常都只关联了所有可能扩展属性的一个子集,扩展属性存储在常规…
Enabling discretionary data access control in a cloud computing environment can begin with the obtainment of a data request and response message by an access manager service. The response message can be generated by a data storage service in response…
<Windows Azure Platform 系列文章目录> 本文介绍的是国内由世纪互联运维的China Azure. 我们在创建完Windows Azure Virtual Machine的时候.如果是创建的Windows 虚拟机,Azure默认会打开PowerShell和Remote Desktop的Public Port,接受Internet上的客户端访问. 但是这样会出现一个问题,假设Azure VM的用户名和密码不小心泄漏了(或者黑客用暴力破解法破解我的用户名和密码),那任何Int…
什么是MOAC MOAC(Multi-Org Access Control)为多组织访问控制,是Oracle EBS R12的重要新功能,它可以实现在一个Responsibility下对多个Operation Unit(OU)进行操作.MOAC允许用户在不切换responsibility的情况下,在一个responsibility下处理多个OU组织的事务. User --> Responsibilities --> Single Operation Unit Mode  /  Multiple…
Firefox 3.5 implements the W3C Access Control specification.  As a result, Firefox 3.5 sends specific HTTP headers for cross-site requests initiated from withinXMLHttpRequest (which in Firefox 3.5 and beyond can be used to invoke different domains) a…
In this blog we mainly talk about the access control including limitation of ip, setting listen port and usage of username and password. In the official document, mongodb server start without the argument , so once the connection was created, the rem…
1.定义 ACL是一个windows中的表示用户(组)权限的列表. Access Control List(ACL) Access Control Entry(ACE) ... 2.分类 ACL分为两类 1,Discretionary Access Control List (DACL)  自由访问控制列表 2,System Access Control List (SACL) 系统访问控制列表 DACL是 安全对象(securable object) 的一个属性(我的理解),用来表示 安全对象…
在前面5篇博客中介绍了OAuth2和OIDC(OpenId Connect),其作用是授权和认证.那么当我们得到OAuth2的Access Token或者OIDC的Id Token之后,我们的资源服务如何来验证这些token是否有权限来执行对资源的某一项操作呢?比如我有一个API,/books,它具有如下5个操作: POST /books 添加一本书 GET /books/{id} 获取一本书 PUT /books/{id} 更新一本书 DELETE /books/{id} 删除一本书 GET…
什么是MOAC MOAC(Multi-Org Access Control)为多组织访问控制,是Oracle EBS R12的重要新功能,它可以实现在一个Responsibility下对多个Operation Unit(OU)进行操作.MOAC允许用户在不切换responsibility的情况下,在一个responsibility下处理多个OU组织的事务. User --> Responsibilities --> Single Operation Unit Mode  /  Multiple…
 https://stackoverflow.com/questions/3743582/difference-between-id-and-control-clientid-or-why-use-control-clientid-if-i-can 问题 This is the code from .aspx file <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"&…
一个很简单的问题: //为什么BASE::foo()中可以直接通过p访问val? 看本记录标题,这个问题困扰了很长一段时间,终于解决class BASE {      private:           int val; public:void foo(BASE *p) { int w = p->val; } }; 同学参加一场笔试,抛出个问题,丫凡和我讨论了下,丫凡在stackoverflow上找到了答案…… 如下内容引述自:http://stackoverflow.com/question…
原文地址:http://blog.csdn.net/wangjun5159/article/details/49096445 错误信息: XMLHttpRequest cannot load http://web.image.myqcloud.com/photos/v2/10008653/bhpocket/0/?sign=4FcLKd5B8…p4SkFVUEJtZ1omZT0xNDQ0NzExMDE5JnQ9MTQ0NDcwNzQxOSZyPTEzMDMyMDgzOTAmdT0wJmY9.No…
Expression-Based Access Control Spring Security 3.0 introduced the ability to use Spring EL expressions as an authorization mechanism in addition to the simple use of configuration attributes and access-decision voters which have seen before. Express…
Phalcon在权限方面通过 Phalcon\Acl 提供了一个轻量级的 ACL(訪问控制列表). Access Control Lists (ACL) 同意系统对用户的訪问权限进行控制,比方同意訪问某些资源而不同意訪问其他资源等. 这里我们建议开发人员了解一些关于ACL的技术. ACL有两部分组成即角色和资源. 资源即是ACL定义的权限所依附的对象. 角色即是ACL所字义的请求者的身份,ACL决定了角色对资源的訪问权限.同意訪问或拒绝訪问. 创建 ACL(Creating an ACL)¶ 这…
一直不太明白Windows的ACL是怎么回事,还是静下心来看一手的MSDN吧. [翻译] Access Control Lists [翻译] How Access Check Works Modifying the ACLs of an Object in C++ Understanding Windows File And Registry Permissions Registry Key Security and Access Rights Well-known security ident…
A data processing system is provided with multiple processors that share a main memory. Semaphore values associated with data elements within the memory system, including the main memory, are used to establish exclusive access permissions to those da…
Methods, systems, and products for governing access to objects on a filesystem. In one general embodiment, the method includes providing a framework in an operating system environment for support of a plurality of access control list (ACL) types, the…
org.springframework.security.access.AccessDeniedException: Access is denied at org.springframework.security.access.vote.AffirmativeBased.decide(AffirmativeBased.java:84) at org.springframework.security.access.intercept.AbstractSecurityInterceptor.bef…