Add-ons
Privacy and Security
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Link Status
Requires Restart
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. In Firefox 3.5 and later, the extension also offers an option to disable the visited link styling to reduce the risk to privacy.
Mailsleuth
Requires Restart
Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!
Modify HTTP Response
Native AdBlocker
No Resource URI Leak
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246
NoRedirect
Requires Restart
NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.
OnlyMySites
Pan
Perspectives
Requires Restart
Connect securely to https websites by checking certificates with network notaries. See http://www.perspectives-project.org
PrivaConf
Private Tab
Proxy Privacy Ruler
Proxy Tool
Requires Restart
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co
QuickPasswords
Requires Restart
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes SSO change (multi-domain pw) and Backup + Restore.
Redirect Bypasser
RefControl
Requires Restart
Control what gets sent as the HTTP Referer on a per-site basis.
ReloadPAC
Requires Restart
Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).
RequestPolicy
Requires Restart
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
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