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How to Add Trusted Sites in IE, Chrome, and Firefox
Versions will vary slightly, but these are general instructions for the three major browsers supported on campus.

Internet Explorer

  1. In Internet Explorer, click Tools, click Internet Options, and then click the Security tab.
  2. In the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.
  3. If you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.
  4. In the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.
  5. Repeat these steps for each site that you want to add to the zone.
  6. Click OK two times to accept the changes and return to Internet Explorer.


  1. Click the 3 horizontal lines icon on the far right of the Address bar.
  2. Click on Settings, scroll to the bottom and click the Show Advanced Settings link.
  3. Click on Change proxy settings.
  4. Click the Security tab > Trusted Sites icon, then click Sites.
  5. Enter the URL of your Trusted Site, then click Add.
  6. Click Close > OK.


For Firefox, there are several different areas to add a trusted site (referred to as "Exceptions"), depending on what functionalities you want to allow the site to do or prevent the site from doing.

  1. From the Firefox menu, go to Tools > Options ....
  2. Under Content, you can choose to add Exceptions to:
    • Block pop-up windows - click Exceptions... and add URLs for the sites where you want to allow pop-ups
    • Load images automatically click Exceptions... enter the URL of the site and choose to either Allow or Block the site from loading images automatically.
    • Enable JavaScript - click Exceptions... and add URLs for the sites where you want to allow JavaScript

Image 1: Firefox Options window

      3. Under Privacy, if you want to allow cookies from most sites, click on clear all current history to open the Clear Recent History window, where you can select to Accept cookies from sites, but then enter some Exceptions to prevent cookies from specific sites.

Image 2: Firefox Privacy options window

     4. Under Security, if you have the "Warn me when sites try to install add-ons" box checked, you can override this warning for certain sites by clicking Exceptions.

Image 3: Firefox Security options window

    5. In the Exceptions... dialog box, enter the web site URL in the Address of web site: field, then click Allow.

    6. Under Advanced, click the Network tab. There is a checkbox labeled Tell me when a website asks to store data for offline use. Here you can add Exceptions that would override this rule.

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