Security level

In the last lecture we looked at some high-level descriptions of key distribution and agreement schemes. These protocols cannot be used as they were stated. In implementation of the actual protocol, there are many situations one should be careful of. In this lecture, we will look at some common protocol failures that arise when trying to implement security protocols We will then look at some specific examples of security protocols

30p muathu_102 28-01-2013 36 4   Download

PHP-Developer since the late 1920s I 2009 I tried out about 10(!!) different PHP Frameworks: Akelos PHP Framework Cake PHP Codeigniter Kahona Recess Solar Symfony1 Wombat Yii Zend Framework Database Access Objects (DAO), Query Builder, AR I Migration system to step up and down your migrations I Easy Console Applications I Routing you always wanted to have I Flexibility with Widgets (= View Helpers++) I Expandable with Extensions / Wrappers for 3rd party libs I Highly secure I Scaffolding...

42p nguyenvanhabk 22-06-2013 94 10   Download

Mandatory access controls Introduction to Mandatory Access Control (Security Classes, MAC properties, Multilevel relation, Pros and cons of MAC); MAC in Oracle - Oracle Label Security, security classes, classification level.

29p cocacola_17 11-12-2015 85 4   Download

Bài giảng "Bảo mật cơ sở dữ liệu - Chương 3: Bảo mật theo cơ chế MAC" cung cấp cho người học các kiến thức: Giới thiệu về điều khiển truy cập bắt buộc, mô hình điều khiển truy cập bắt buộc, MAC trong các hệ QTCSDL thông dụng, Case study - Oracle Label Security Multi-Level security. Mời các bạn cùng tham khảo.

130p thangnamvoiva20 20-09-2016 118 22   Download

Bài giảng "Bảo mật cơ sở dữ liệu - Chương 8: Virtual private database" cung cấp cho người học các nội dung: Giới thiệu về Virtual private database, Row-level security, kỹ thuật làm việc với policy function, quyền Exempt Access Policy, giám sát quyền Exempt Access Policy, xử lý các Exception về Policy Function,... Mời các bạn cùng tham khảo.

70p thangnamvoiva20 20-09-2016 153 17   Download

Bài giảng "Bảo mật cơ sở dữ liệu - Chương 3: Bảo mật theo cơ chế MAC" cung cấp cho người học các kiến thức: Define Mandatory Access Control Models, secrecy-preserving models, integrity-preserving models, multi-Level security, multi-level databases access control models,... Mời các bạn cùng tham khảo.

59p thangnamvoiva20 20-09-2016 95 8   Download

Bài giảng Cơ sở dữ liệu nâng cao - Chapter 3: Managing security. Những chủ đề được thảo luận trong chương này gồm có: Users, users vs. login, SQL server security, SQL server authentication, securable objects in SQL Server, The fixed server-level role,...

39p nomoney10 05-04-2017 92 9   Download

Bài giảng "Mật mã học: Public-Key cryptography" cung cấp cho người học các kiến thức: Principles of asymmetric cryptography, one-way function, key lengths and security levels, euclidean algorithm,...Mời các bạn cùng tham khảo.

49p abcxyz123_10 07-06-2020 34 5   Download

This thesis intends to develop application-level access control models to address several major security issues in enterprise environments. The first goal is to provide simple and efficient authorization specifications to reduce the complexity of security management. The second goal is to provide dynamic access control for Web service applications. The third goal is to provide an access control framework for Semantic Web services. In this thesis, an Authorization-Function-Based Role-based Access Control (FB-RBAC) model is proposed for controlling enterprise systems at the application level.

182p runthenight07 01-03-2023 13 3   Download

Bài thực hành Bảo mật hệ thống thông tin số 6: Virtual private database có nội dung trình bày giới thiệu về Virtual Private Database, Row-level security, kỹ thuật làm việc với policy function,... Mời các bạn cùng tham khảo chi tiết nội dung tài liệu.

15p xusong 05-07-2021 61 6   Download

The thesis clarifies the process of implementing social security policies in Dien Bien province after 10 years of establishment of the province (2004-2014), in order to summarize experiences, contribute to providing scientific and practical evidence, assisting Party committees and authorities at all levels of Dien Bien province to better improve policies and implement social security policies in the province.

28p chauchaungayxua9 01-12-2020 21 5   Download

This paper works on the behavior pattern of the retail investors with special reference to Bhopal. The investment by these investors at time is overshadowed by the level of understanding they have about financial securities and their experiences with the stock market.

7p guineverehuynh 18-06-2020 10 2   Download

The current challenges related to safety, security and economic efficiency lead to the consolidation of the level of education and training of merchant marine officers, through the interdependence and diversification of the curricula in the world economy of shipping, finance of the maritime industry and the specialized labour market.

9p christabelhuynh 04-06-2020 16 1   Download

Pest control practices in the vegetable crops have been heavily dominated by the routine use of broad-spectrum insecticides to control pests. Concerns have emerged about the adverse consequences of over use of pesticide. These consequences include short and longterm health hazards, contamination and environmental degradation. To minimize the pest losses farmers heavily depend on the chemical pesticides and accessing pest management information from the pesticide dealers due to weak state extension support system.

9p nguaconbaynhay5 16-05-2020 20 3   Download

In this chapter, students will be able to understand: Password policies ensure that users choose effective passwords; user-level security requires a separate account for each user; in share-level security, all users access shares by using the same passwords; a firewall is a hardware or software product that protects a network from unauthorized access, using techniques such as packet filtering, NAT, or proxy servers;...

15p tangtuy08 21-04-2016 37 3   Download

We now begin our look at building protocols using the basic tools that we have discussed. The discussion in this lecture will focus on issues of key establishment and the associated notion of authentication These protocols are not real, but instead are meant to serve just as a high-level survey Later lectures will go into specific protocols and will uncover practical challenges faced when implementing these protocols

20p muathu_102 28-01-2013 66 9   Download

Biggest problem is figuring out who a piece of mail is really from Must use a higher level mechanism for trust or privacy Most SMTP clients use sendmail which has been a constant source of security problems for years

15p muathu_102 28-01-2013 40 2   Download

Raw Sockets let you program at just above the network (IP) layer You could program at the IP level using the IP API but you can’t get at ICMP Raw Sockets expose ICMP you get a Raw Packet and populate the entire packet yourself for high level protocols like TCP and UDP you lose all of the functionality implemented in those layers choosing to use a Raw Socket must be weighed carefully Raw Sockets can be dangerous Raw Sockets can be against the law http://www.kumite.com/rsnbrgr/rob/grcspoof/cnn/ ...

9p muathu_102 28-01-2013 46 3   Download

Also called a Proxy Firewall Acts as a relay for application level traffic Typical applications: Telnet FTP SMTP HTTP More secure than packet filters Bad packets won't get through the gateway Only has to deal with application level packets Simplifies rules needed in packet filter

13p muathu_102 28-01-2013 66 3   Download

Trong c a s Pop-up Blocker Settingsử ổ : o Address of website to allow: Cho phép những địa chỉ web nào được phép chạy popup. o Show Notification bar when a pop-up is blocked: Hiện thông báo khi chặn 1 popup. o Blocking level: High: Block all pop-ups :Chặn toàn bộ pop-ups. Medium: Block most automatic pop-ups :là thiết đặt mặc định Pop-ups Blocker.Tự động chạy các pop-ups khởi động khi một trang web được nạp vào trình duyệt, nhưng không chặn pop-up được mở khi bạn nhấp vào liên kết. Low: Allow pop-ups from secure sites :Thiết lập này cho phép các trang...

8p tuanvip15 25-01-2013 239 14   Download