Recently, I have been playing with Kerberos, a popular Single Sign On system (SSO) that is used in many large organizations. My first contact with Kerberos has been at university in a network security course, but that only covered the cryptographic part, not the more practical issues like setting up …read more
Java's Servlet spec allows web applications to delegate authentication and authorization to the servlet container, a mechanism known as container-based security. A lot of people use it for in-house applications or web services because it's simple and containers like Tomcat already provide several authentication backends to choose from. There's one …read more
A lot of people use SSH to log into remote hosts. SSH is secure and works well, but if you have to access many hosts with long, well-chosen passwords there is a lot of typing to do just for authentication.
In this article I'll walk you through a basic public …read more
In a previous article, I discussed sshfs, a user mode filesystem based on FUSE for accessing remote files. Another useful filesystem type is encfs which provides transparent encryption of directories. With encfs, files are stored encrypted in a special directory under encfs' control. The encryption algorithm and password are specified …read more
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