Nginx Module Extension

My new book Nginx Module Extension is now out on all major online retailers. You will find this as a one stop guide to getting familiar with nginx module system and how to install and configure HTTP and 3rd party modules. The unique thing about this book is a chapter on how to write your own nginx module. Open source is all about creating for yourself and others what doesn’t already exist. Hope nginx users and developers will find it useful.

Implementing HTTP Digest Authentication in Java

I recently had to implement my own version of RFC 2617 which addresses the digest authentication in http protocol. This RFC is an improvement over RFC 2069 which was the previous version of Digest Access authentication. However RFC 2617 adds some additional security features such as quality of protection (qop) to try to counter re-play attacks. Continue reading