Permission Set(s)

This is oftentimes defined as a CAS (control access system) ACL (access control list), consisting of a collection or set of multiple, types and levels of permissions.

Application domains, internet security, security policies are all there to enrich and enable protective measures for the integrity and access control of/for data, users and resources. These are set to be pretty restrictive by default. Ditto for application domains and services, that have to be set and assigned deliberately, reviewed and changed from time to time. How to work with and through permission restrictions is a critical skill to master matter.

Code access security, improving security, creating, changing, modify, implement at the computer, user and enterprise levels are basics needed to get and set these in place. Resource control permission sets, control code privileges, CAS, assemblies, application authorization (read, write rights, access et al), security policies and their implications, use and dynamics for the permissions sets, restrictions, specifications and assignments, all form part of the overall plan and levels of authorization and authentication, access, rights, privileges. From ACL’s to Evidence (location, hash, signatures, code groups granting a permission set). Internet default settings for example contain  permissions pertaining to  file dialog, storage file (isolated), security, user interface and printing rights.

There are SEVEN default permission sets: Full trust, (free exemption from CAS permission checks), SkipVerification(bypass checks), execution (run rights only), nothing (no permissions to run or do anything), Localintranet (print and access log, open and save), internet (restricted set of permissions), Everything (subject to CAS checks, full access to all assemblies).  Code groups act as the authorization devices that associates permission sets with assemblies. Security policy again groups all the  local code groups and permission sets, centralizes them. 

Other related permission sets utility and functionality, applications and contexts to consider and include: Configuration tools, configuring CAS, adding new permission sets, code groups, trust, zone security changes, policy setting levels modifications, which code-groups provide permissions to an assembly, access, read, change, wizard and detailed permission settings, adding a permission set, adding and assigning a permission set to an assembly, increasing the trust level, permission set-up tabs, resetting policy and security levels, multi-level permission sets and security levels, Caspol, code access, security access policy tool, compiling and testing permissions sets and levels, code group and permission set using configuration tool, modify and restore with and through the Caspol tool.

Also, what are the implications of minimum, optimal and refused levels? Permissions sets can also be used to demand, limit, restrict or assert multiple levels and types of permissions simultaneously, relaxing permissions, improving performance without risking security. Defaults, restrictions in the MyComputerZone. Most importantly how to access, use, change and synergize them well for the .NET Framework environment, tasks and improved security all-round.

Key Exam Points

1. Use Permission sets, code groups,  for added, improved security, on/for assemblies, applications, users, machines, zones, levels, multiple functions, permission levels,
2. For the exam,  study examples for permission sets, that help you to gain a better understanding of this in-depth topic
3. Do practice tests with the various types, levels and multiple permission sets, dynamics

Related Terms

Code-groups, security policy, permissions, ACL

This article is based on the 2nd edition of the Microsoft .Net Framework Application Training Kit with the purpose to help 70-536 Exam takers to succeed. I constantly look for ways to improve the content.   Please leave a comment about this article or drop me a message if you would like to see changes for this site.