The LocalSystem account has access to almost all resources on the operating system, and therefore creates serious security implications. You should avoid using the LocalSystem account when possible. If it is absolutely necessary to use the LocalSystem account on an application, run that application in a new application pool in its own virtual directory so you can reduce the attack surface by isolating the application. As an alternative, and if your application needs permission to use the Trusted Computing Base TCB , run the application as a configurable identity and assign the TCB permission to the configurable identity.
This alternative, however, still presents a security risk because the TCB permission is very powerful. In order to take a more proactive stance against malicious users and attackers, IIS is installed in a highly secure and locked mode. Server Extensions, and Common Gateway Interfaces - do not work unless enabled.
If you do not enable this functionality after installing IIS, by default on this denial, IIS returns a generic custom error page to prevent disclosure of configuration information. IIS also writes the error with the substatus code of 2 You must be a member of the Administrators group on the local computer to perform the following procedure or procedures , or you must have been delegated the appropriate authority. As a security best practice, log on to your computer using an account that is not in the Administrators group, and then use Runas to open a command window from which you can run other programs like IIS Manager.
For requests to static content, this version of IIS serves requests for files with known file name extensions only, a feature called Known Extensions. If a request is made for a resource whose file name extension is not mapped to a known extension in the MimeMap property, IIS denies the request and logs a error with the substatus code of 3 To prevent disclosure of configuration information, IIS is configured to return the generic custom error page by default on this denial.
Tools like URLScan can be configured to block processing of certain file name extensions. By default, worker processes recycle after minutes. If your ASP applications are not designed to store session state while a worker process is recycled, then session state in that ASP application can be lost. To remedy this problem, you can either store session state in a database or disable worker process recycling.
On the Recycling tab, clear the Recycle worker processes in minutes check box. If your ASP page uses the include server-side include directive and the "..
This property is set to false by default. If set to true , this property constitutes a potential security risk because an include path may access critical or sensitive data files outside the application root directory. In IIS Manager, expand the local computer, right-click the starting-point directory of the application you want to configure, and then click Properties. Therefore, the task can be automated. The tool now supports the. Therefore, fixing and repairing are also applicable for these products.
A new, optional command line switch is added to enable the repair of specific. NET Framework versions to override the repair of other installed versions at the same time.
The Repair Tool-generated log file can now be optionally saved in a user-specified location by using a command line option. A new option lets you run the Repair Tool in Log Collection Only mode without applying any fixes or repairs.
The option provides the flexibility to collect and investigate logs before you apply actual fixes. New, optional support is added to let you opt out of any data collection in Quiet or Passive mode.
Release: v1. Release v1. NET Framework 4 and its updates. You can use the. Need more help? Expand your skills. Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Active 12 years, 5 months ago. Viewed 3k times. Are there any ways to fix this, short of completely reinstalling the operating system? Improve this question.
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