Changing security settings in Mozilla Firefox

Mozilla Firefox settings

Security settings in Firefox

Many security settings in Mozilla Firefox affect the installation of add-ons from various websites on your computer, blocks dangerous sites and deal with the Firefox’s password manager behaviors. You can configure these settings in the Firefox’s security pane. Here’s how you adjust the Mozilla Firefox settings.

Instructions to change security settings in Firefox

  • At the upper-left corner of the Firefox window, click the orange “Firefox” menu button and select “Options.”
  • From the top of the Options window, click the “Security” icon.
  • Toggle the “Warn me when sites try to install add-ons” checkbox for enabling or disabling the information bar appearing at the top of web page when it tries to install add-ons.
  • To manage the list of websites that are allowed to install add-ons, click the “Exceptions” button. In the box in the Exceptions window, add a website by typing its name and click “Allow” or remove the site by clicking its name in the exceptions list and click “Remove Site”.
  • Click the “Block reported attack sites” checkbox to toggle whether to block websites harming your computer. A warning page will appear if this option is enabled to a reported attack site.
  • Click the “Block reported Web forgeries” box, to toggle whether to block forgery websites/ phishing websites.
  • Click the “Remember passwords for sites” checkbox to decide whether you want Firefox to remember passwords for websites.
  • Click the “Exceptions” button in the passwords section to manage the websites for which Firefox would never ask to save passwords. To remove an exception, click its name in the list, click “Remove”. Click “Never this site” to add an exception when Firefox asks whether to remember a password for a website.

    Mozilla Firefox settings

    Security settings in Firefox

  • Click the “Use a master password” checkbox to choose whether to use a master password. Your saved passwords are protected with encryption by a master password. Your saved passwords can be accessed by only those people knowing your master password. To use the saved passwords feature, you’ll have to type your master password. Firefox will ask you to set a master password when you enable this feature. Click the “Change master password” button if you want to change the master password later.
  • Click the “Saved passwords” button to manage your saved passwords. Click “Remove” to remove a saved password, view saved passwords by clicking “Show passwords”. Click “OK”.

So, that’s how you manage the Mozilla Firefox settings. Thanks for reading!

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4 Responses to Changing security settings in Mozilla Firefox

  1. mike says:

    I got this error Unexpected installation error -203 while browsing in Mozilla and couldn’t fix it, even with the available solutions online. This happened to me with the add-ons too.I learned that it is security software that is causing this to occur. Please help me to solve this issue, so as to enable me to have a smooth browsing.

    • admin says:

      Fix the security software. To reset the corrupted configuration files, proceed with the following steps. Close Mozilla browser and locate your profile folder. Make sure to delete the files with these three extensions; extensions.ini, extensions.cache, extensions.rdf. Restart Firefox. Add-ons will be enabled from next log on.

      • mike says:

        Thanks a lot for your reply and I could fix this error easily and effortlessly. Now, I am getting Internal server error 500 while accessing secure sites. This is really irritating and this happens to me with the accelerator sites too. What could be done in this case? Can you please help me fix this?

        • admin says:

          Go to Firefox Tools and click on Option. Select Advanced settings panel and Click on the Network tab. Then, click and select Settings. Set For manual proxy settings; deselect Use this proxy server for all products. If not, SSL proxy port as 0.Click Ok to make the changes. Restart Firefox.

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