Web Browser Configuration

Configuring Your Web Browser

What browsers are supported?

To find the most updated information on supported browsers for the 6.5.x Cisco IronPort Encryption appliance and Cisco Registered Envelope Service, see the "Supported Browsers" section of the compatibility matrix.

How do I stop a pop-up blocker from blocking a secure message?

To disable the pop-up blocker in Internet Explorer:

  1. Enter your password in the Registered Envelope, and click Open.
  2. After decryption, the following pop-up blocker message appears in the browser: "Pop-up blocked. To see this pop-up or additional options, click here..."
  3. Click the pop-up blocker message.
  4. Click the option to temporarily allow pop-ups.
  5. Re-enter your password in the envelope, and click Open.
  6. A new browser window displays the content of the secure message.

To disable the pop-up blocker in Firefox:

  1. Enter your password into the Registered Envelope, and click Open.
  2. After decryption, the following pop-up blocker message appears in the browser: "Firefox prevented this site from opening a pop-up window. Click here for options..."
  3. Click the pop-up blocker message.
  4. Select the "Allow pop-ups for" option to allow pop-ups for the Secure Envelope.
  5. Re-enter your password in the envelope, and click Open.

A new browser window displays the content of the secure message.

How do I enable cookies in my web browser?

To use some features of Cisco Registered Envelope Service, including the Personal Security Phrase, you may need to enable cookies in your web browser.

To enable cookies in Internet Explorer:

  1. On the menu bar, select Tools > Internet Options.
  2. Click the Privacy tab. Verify that the privacy level is set to medium or lower. If the privacy level is set to custom, click the Default button and then set the privacy level to medium or lower.
  3. Click OK, and refresh the page where the Registered Envelope is displayed.

To enable cookies in Firefox:

  1. For Windows, on the menu bar, select Tools > Options. (For Macintosh, select Firefox > Preferences.)
  2. Click the Privacy icon.
  3. Select the check box labeled "Accept cookies from sites."
  4. Select the option to keep cookies until they expire.
  5. Click OK, and refresh the page where the Registered Envelope is displayed.

How do I enable JavaScript in my web browser?

To get the richest user experience, you may want to enable JavaScript in your web browser.

To enable JavaScript in Internet Explorer:

  1. On the menu bar, select Tools > Internet Options.
  2. Click the Security tab. Changing the security level to medium or lower enables JavaScript. To enable JavaScript without changing other security settings, click the Custom Level button. Under Scripting, select the Enable option for Active Scripting.
  3. Click OK, and refresh the page where the Registered Envelope is displayed.

To enable JavaScript in Firefox:

  1. For Windows, on the menu bar, select Tools > Options. (For Macintosh, select Firefox > Preferences.)
  2. Click the Content icon.
  3. Select the Enable JavaScript check box.
  4. Click OK, and refresh the page where the Registered Envelope is displayed.

How do I enable Java in my browser?

To open messages that have attachments, you may need to enable Java in your web browser.

To enable Java in Internet Explorer:

  1. On the menu bar, select Tools > Internet Options.
  2. Click the Security tab. Changing the security level to medium or lower enables Java. To enable Java without changing other security settings, click the Custom Level button. Under Scripting, select the Enable option for scripting of Java applets.
  3. Click the Advanced tab, and search for the Java (Sun) section.
    • If the section called Java (Sun) exists, verify that the Use Java check box is selected.
    • If the section called Java (Sun) does not exist, download and install Sun Java on your computer. Then verify that the Use Java check box is selected in the Advanced options.
  4. Click OK, and close all Internet Explorer windows.
  5. Restart the web browser to implement your changes.

To enable Java in Firefox:

  1. For Windows, on the menu bar, select Tools menu > Options. (For Macintosh, select Firefox > Preferences.)
  2. Click the Content icon.
  3. Select the Enable Java check box.
  4. Click OK, and close all Firefox windows.
  5. Restart the web browser to implement your changes.