Chm help file security

Warning The safest course is to use no registry workarounds at all. If you must use registry workarounds, set them as conservatively as possible. For example, use these methods:. Set UrlAllowList to enable as few sites as possible. Setting MaxAllowedZone to 3 or higher exposes your systems to attack from the Internet. After you have gathered the information about your organization's use of HTML Help, review the following examples to see if they are useful in helping you create a strategy to use as you apply security update within your organization.

Making security as strong as possible outweighs the requirement for applications and scenarios that use HTML Help to work correctly. You have Web applications use HTML Help technology, but the owners of these applications can quickly modify these applications to use other technologies. For any applications and scenarios that require HTML Help technology, you know or can quickly identify the application servers and file shares on which they are deployed.

Also, you can provide sufficient protection for these application servers and file shares. Apply security update Then, use a Group Policy object to enforce restrictions. By default, if you do not modify one or more of the registry entries after you install security update , the security mitigations in security update will be as restrictive as possible. However, you can use a Group Policy object to prevent individual users from loosening the restrictions themselves.

The following registry file makes the security mitigations in security update as restrictive as possible:. If you know that your organization uses no Web applications that require HTML Help, and the users in your organization do not require access to remote.

You may have heard from users that some internal Web applications are affected by the update. Contact the owners of these Web applications and see if they can reengineer features that require HTML Help technology.

Selectively enable Web applications. If you find that some Web applications must be able to use HTML Help functionality, you can selectively re-enable access to the servers that host those applications.

Note Users may still not be able to open. For more information about this issue and workarounds, click the following article number to view the article in the Microsoft Knowledge Base:.

This approach could work well if some of the following statements apply to your organization:. You are willing to accept additional risk in order to avoid having security update adversely affect your applications.

You cannot quickly identify all specific applications and scenarios that require HTML Help technology. Also, you cannot quickly modify these applications to use other technologies. If your research determines that the Web applications no longer need HTML Help technology, you can deploy the following registry file to establish the maximum restrictions that are supported by security update If you find that some Web applications have to use HTML Help functionality, you can restrict the systems that are enabled to use the technology.

The table also lists the Microsoft Knowledge Base article that you can see for more information. For more information about how to use security zones in Internet Explorer, click the following article number to view the article in the Microsoft Knowledge Base:. Get answers from your peers along with millions of IT pros who visit Spiceworks.

Microsoft Windows 10 Pro Microsoft Windows 10 Adam AJ Tek This person is a verified professional. Verify your account to enable IT peers to see that you are a professional. I've seen that before, I just presumed it was crappy help files.

Steve Regrettably, I am not seeing the checkbox for the Unblock of the. This topic has been locked by an administrator and is no longer open for commenting. Download details and terms of use: For more details on the software download and terms of use, click here. Specify the full path to the HHC. EXE file. Click OK to save the modified options. Creating Table of Contents. Create the Table of Contents You can create the Table of Contents structure of your CHM file by adding heading items and help topics that can contain other headings and topics as sub-items.

In the dialog box, in the left sidebar, select the item type. Enter item title and other parameters. Click OK. Write Content and Insert Hyperlinks Any modern help authoring tool includes a full-featured word processor. On the Insert tab, in the Links group, click Hyperlink. Enter text of the new hyperlink and, in the Topic Context box, select a topic to which you want to link.

Inserting a Hyperlink. Creating Help File Index. Create Alphabetical Index The Index tab in the HTML Help CHM file viewer allows the user of the help file to quickly find a topic or several topics associated with a keyword since all keywords are alphabetically sorted in the list.

To add a new keyword: On the View tab, click Keywords to show the Keyword tool.