Recommended settings for the Mozilla Firefox browser

Table 1 shows the recommended settings for the Mozilla Firefox browser.

Table 1. Recommended settings for Firefox
Environment Option Response
JavaScript

To work with z/OSMF, your browser must have JavaScript enabled.

To enable JavaScript, do the following:
  1. From the Tools menu, click Options > Content tab.
  2. Ensure that the JavaScript check box is selected.
  3. Click OK.
Cookies

To work with z/OSMF, your browser must have cookies enabled—if not for all sites, then at least for the z/OSMF site at your installation.

To enable cookies for use by any site, do the following:
  1. From the Tools menu, click Options > Privacy tab.
  2. Ensure that the Accept cookies from sites check box is selected.
  3. Click OK.
To enable cookies for only the z/OSMF site, clear the Accept cookies from sites check box. Then, do the following:
  1. Click Exceptions.
  2. Enter the URL for the z/OSMF site at your installation.
  3. Click Enable > Close > OK.
Pop-up Windows

For proper functioning with z/OSMF, your browser must be enabled for pop-up windows.

To enable your browser for pop-up windows, do the following:
  1. From the Tools menu, click Options > Content tab.
  2. Clear the Block pop-up windows check box.
  3. Click OK.
To enable pop-up windows for the z/OSMF site only, ensure that the Block pop-up windows check box is selected. Then, do the following:
  1. Click Exceptions.
  2. Enter the URL for the z/OSMF site at your installation.
  3. Click Allow > Close > OK.
Frames

To work with z/OSMF, your browser must have frames enabled. By default, the Firefox browser is enabled for frames.

If you need to enable your browser for frames, do the following:
  1. In the browser input area, enter the following URL: about:config.
  2. If a warranty warning message appears, click the I'll be careful, I promise! button to continue.
  3. In the Filter field, enter frames.
  4. Click browser.frames.enabled to set the Value field to true.
  5. Close the browser to save the changes.
Screen Resolution

For optimal viewing with z/OSMF, your workstation requires a minimum screen resolution of 1024 by 768 pixels.

To increase the screen resolution, do the following:
  1. Right-click on the desktop and select Properties > Settings tab.
  2. Move the slider to select a screen resolution of at least 1024 by 768 pixels.
  3. Click OK.
Browser Content Dimensions

For optimal viewing with z/OSMF, your browser requires a usable content display area of at least 800 by 600 pixels.

A number of factors can affect the size of your browser's usable content display area, such as Windows desktop appearance settings and the inclusion of toolbars for browser plug-ins.

To check the desktop appearance settings, do the following:
  1. Right-click on the desktop and select Properties to open the Display Properties dialog box.
  2. Click the Appearance tab.
  3. Click Advanced.
  4. From the Item list, select Active Title Bar and verify that it is no larger than necessary (the default is 25 pixels). Similarly, check the setting for Scrollbar (the default is 17 pixels).
  5. Click OK > OK.
To remove unnecessary toolbars, do the following:
  1. From the View menu in Firefox, click Toolbars.
  2. For any unnecessary toolbars, clear the associated check box.

As an alternative, you can maximize the browser window, thus eliminating the toolbars, by pressing the F11 function key. To restore the window to its previous size, press F11 again.
Add-ons

For optimal performance with z/OSMF, disable the Firebug add-on in your browser settings.

To disable the Firebug add-on, do the following:
  1. From the Tools menu, click Add-ons > Extensions tab.
  2. Select the Firebug add-on and click the Disable option.
  3. Restart the browser to have the changes take effect.
Plug-ins

Some plug-ins, such as JavaScript debuggers, can affect browser performance. For optimal performance with z/OSMF, include only required plug-ins with your browser.

In the environment checker report, the Settings column shows the installed plug-ins for your browser. To verify this list, do the following:
  1. In the browser input area, enter the following URL: about:plugins.
  2. Compare the list of installed plug-ins to the list shown in the environment checker report to determine whether any add-ons should be disabled.
To disable a plug-in, do the following:
  1. From the Tools menu, click Add-ons > Plugins tab.
  2. Scroll down the list to locate the plug-in.
  3. Select the plug-in and click the Disable option.
  4. Restart the browser to have the changes take effect.
Parent topic: Verifying your workstation with the environment checker