OpenH323 Gatekeeper - The GNU Gatekeeper

The OpenH323 Gatekeeper is a free H.323 gatekeeper based on the OpenH323 project. You can use it to manage a Voice-over-IP network and let endpoints (e.g., Netmeeting) communicate through symbolic names. It also has an external interface for billing and other applications. It runs on a number of Unix versions (including Linux and Solaris) and Windows.

Securing Mozilla email with OpenPGP

Email is commonly used in business today, yet only a small percentage of users take the time to guarantee their email is sent in a secure and confidential manner. If you're not part of that elite group, read on to learn how to setup OpenPGP with the Mozilla Thunderbird mail component.

DryDock: Content accounting, not content management

For any given page on a web server, system administrators are often ill-equipped to determine who created the document, why it's being served, how long it's been publicly viewable, and how it's changed over time.

To police our own website, we create DryDock. DryDock is a web publishing application that governs the replication of content from a developmental, or staging web tree to a production web tree (ideally placed on a second server). DryDock codifies a formal approval process that forces management to approve all web site changes before those changes are put into production. Users never interact directly with the production web tree; DryDock updates it on their behalf.

DryDock is written in Python and uses Webware for request handling and session management. The user interface is written in HTML using Cheetah, a Python templating library. DryDock's back-end is comprised of four main components: a relational database that stores auditing information, a role-based permissions system, a revisioning system that tracks changes in approved documents, and a synchronization daemon that updates the production web server.

psycopg

psycopg is a PostgreSQL database adapter for the Python programming language. Its main advantages are that it supports the full Python DBAPI 2.0 and it is thread safe at level 2. It was designed for heavily multi-threaded applications that create and destroy lots of cursors and make a conspicuous number of concurrent INSERTs or UPDATEs. The psycopg distribution includes ZPsycopgDA, a Zope Database Adapter.