CAcert.org is a community driven, Certificate Authority that issues certificates to the public at large for free.

CAcert's goal is to promote awareness and education on computer security through the use of encryption, specifically with the X.509 family of standards. We have compiled a document base that has helpful hints and tips on setting up encryption with common software, and general information about Public Key Infrastructures (PKI).

For the enthusiast looking to dip their toe in the water, we have an easy way of obtaining certificates you can use with your email program. You can use these not only to encrypt, but to prove to your friends and family that your email really does come from you.

For administrators looking to protect the services they offer, we provide host and wild card certificates which you can issue almost immediately. Not only can you use these to protect websites, but also POP3, SMTP and IMAP connections, to list but a few. Unlike other certificate authorities, we don't limit the strength of the certificates, or the use of wild card certificates. Everyone should have the right to security and to protect their privacy, not just those looking to run ecommerce sites.

If you're extremely serious about encryption, you can join CAcert's Assurance Programme and Web of Trust. This allows you to have your identity verified to obtain added benefits, including longer length certificates and the ability to include your name on email certificates.

CAcert Inc. is a non-profit association, incorporated in New South Wales Australia.

Q: What is myNetWatchman?

A: myNetWatchman collects, analyzes and reports malicious
access attempts to ISPs, who can then take action against
the offending machines.

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Q: How does it work?

A: A small client-side application runs as a background
application on your system; reading your firewall logs, and
creating near-real-time reports that are relayed to the myNetwatchman
servers for analysis.

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The SwitchWare Project

Active networks explore the idea of allowing routing elements
to be extensively programmed by the packets passing through them. This
allows computation previously possible only at endpoints to be carried
out within the network itself, thus enabling optimizations and extensions
of current protocols as well as the development of fundamentally new protocols.