MozPETs: Mozilla Privacy Enhancement Technologies
The goal of the MozPETs project is to produce a web browser and mail client with
enhanced privacy and security features.
Our prototype is based on the Mozilla Suite, and
we plan to add as many privacy enhancement technologies (PETs) as
It is under heavy development, highly experimental and not recommended for end users yet.
MozPETs contains a number of changes and extensions to provide
better privacy protection for the user.
Compared to the stock Mozilla Suite shipped by Mozilla.org,
our current build contains the following changes and additions:
Mozilla contains several hundert preferences (check the
project for a list).
We modified some settings to have a more privacy-friendly default value.
For example, MozPETs does not accept third-party cookies at all
and treats all other cookies as session cookies.
MozJAP is a wrapper to integrate a proxy for anonymous web access
It supports JAP and
MozPAw checks the current page for potential harmful content like web bugs.
The result is displayed as an emoticon to alarm the user if a web site
make intensive use of tracking technologies.
Allows the user to block third party content (e.g. webbugs)
embedded within web pages to reduce cross-side clickstream
tracking by advertisers.
MozBlock is based on the famous
Tracknosis is a tool that reveals cross-side tracking activities
used by advertisers.
The iJournal allows the user to keep track of personal information
he has given to web sites.
If the user enters sensitive information
(e.g. his name), the iJournal intercepts the transmission and tries
to profile the web site by analyzing its P3P policy, SSL certificate
and WHOIS entry.
The data is stored for later analysis.
Add PGP Support to Mozilla Mail.
EnigMail is developed by the
Please check their pages for more info on EnigMail
(and use the original EnigMail if you want to use it
in production :).
Send e-mail anonymously through the remailer
A paper describing MozPETs was presented at
Third Annual Conference on Privacy, Security and Trust (PST05)
and is available here:
Downloads, Source Code and Installation Instructions
Check the installation and build instructions for more
If you have any comments, suggestions, or requests please send a mail
to our mailing list.
You can subscribe to the mailing list from the
list info page.
Please check the
mailing list archives before posting to see if your question has been discussed before.
To post to the list, send an e-mail to firstname.lastname@example.org.
MozPETs evolved from a research project at the Darmstadt University of Technology, Germany.
If you have any questions or suggestions, please contact mozpets-discuss mailing list.
MozPETs is hosted on