I have previously mentioned Mixmaster ont his blog, a great software tool to send anonymous email and also used to post to Usenet groups anonymously, but visiting a website in order to send an anonymous email is not a good idea because your IP will be logged by the site server. You could use a [...]

Mixmaster is is an anonymous remailer software. It encrypts your email messages before sending them, it typically fires off the messages through a series of anonymous proxies, you can choose how many and what proxies you want on the chain, it also provides protection against traffic analysis by delaying the sending of the messages at [...]

When working using bash, zsh, ksh or any other Unix shell the default is to save the history of the typed in commands, this can become a security and privacy risk. Stop the history file keeping a copy of typed in commands This can be used any time  you like assuming you have administrator rights [...]

A Virtual Private Server can work well to set up your own anonymous internet browsing proxy. A VPS can cost as little as $8 a month, which is roughly the same a private proxy or VPN provider would charge you. But with you being in full control over the logs and resources on the server [...]

This article is from 2007, I found it to be an excellent and detailed review of the most common tools that exist to encrypt data in Unix systems. These different tools and methods are still valid and in use nowadays. It provides some insights on encryption techniques, code quality, and the relative merits of the [...]

For those of you comfortable on the command line, there’s an alternative way to password a file using the free utility OpenSSL. Say you want to password protect a tar archive of documents called unencrypted-data.tar. From the command line, type: $ openssl des3 -salt -in unencrypted-data.tar -out encrypted-data.tar.des3 enter des-ede3-cbc encryption password: Verifying – enter [...]