Assuming network is required, the following results were found.

Wireless network security - worry about the right things
Wireless networks are now common in both domestic and commercial installations. Although wireless networking offers benefits such as portability and connection simplicity, the rich selection of security options can present a challenge for the average...
Network Security
External Network Scanning One of the core mechanisms for protecting networks is to install a firewall to mediate traffic between systems on the internal network, publicly accessible systems is a DMZ (from the military term d e m ilitarised z one) and...
A Taxonomy of Loss
The widespread commercial use of the internet has led to an increasing focus on systems security. Media driven hype and a lack of independent information can make the true level of threat to an organization difficult to determine. Adopting a structured...
Documentation
It might be the last thing you want to read, but not having a well documented IT infrastructure (servers and networks) can lead to surprising events like critical systems running on unsupported servers. Documentation must not only be accurate at the...
Planning for an Asterisk PABX installation
This article was written some time ago; some details may no longer be current but the general approach remains sound. Introduction VoIP offers opportunities for improved telephony functions and closer integration with other business systems and is seen...
Who, what, where - Information you give to sites you visit
Websites can collect a lot of information about you just from your browsing. Sometimes useful, sometimes unsettling, but it's interesting to know just how some of this works.
Adventures in synchronisation volume 3 - Files and Stuff
Having established an ownCloud synchronisation framework to share my contacts and calendar between devices, it makes sense to see what other things I can do with it.
My cat is cloud-based
Cloud based computing is the latest in a long series of allegedly paradigm-shifting innovations in the computing industry. In common with most of its predecessors it is neither as good nor as bad as it looks. The increasing availability of high-speed,...
No Optical Drive? No Problem
Many new laptop computers don't have a CD/DVD drive; this is fine if you're installing software over the internet but not all suppliers provide downloadable installers. And then there's all those reference manuals on CD that you sometimes need. There...
Wikidpad - a structured notepad
Some time ago I ran across the open source application Wikidpad [1] - a kind of structured notepad, only more. Wikidpad gives you a place to store all sorts of information in a wiki-like structure that doesn't require any web server. There are lots of...
Beyond the Blackboard
Considerations when designing or specifying an on‑line learning environment. For many organisations, the provision of training to staff and customer represents a significant cost. As the processing power and network bandwidth available to desktop PCs...
Bad security is worse than no security
Poor security can lend a false sense of security, encouraging you to relax your guard and making it more likely that you will suffer loss or damage from bad guys.
Anti-Spam
Spam is a curse that just keeps getting worse. Figures from independent studies suggest over 80% of global email traffic is spam [ Cisco ]. You might not be able to hunt down the spammers and mete out well deserved punishment but you can take steps to...
Adventures in synchronisation volume 1 - Address book
Although my primary computer has a perfectly acceptable address book I regularly want this information on one of my other devices (tablet, phone other computer, etc). My case might be a bit extreme in terms of the number of devices I use, but the basic...
Reporting Bugs
In theory, the point of reporting a bug is to get it fixed, or at least to help. Too often I see (and receive) bug reports that are almost useless. Writing a good bug report isn't hard, it just takes a little discipline, which can be assisted by a good...
OpenOffice / StarOffice macros
OpenOffice / StarOffice macros So you've taken the plunge and installed StarOffice or OpenOffice and everything basically works; so far so good. Now Bob from Accounts wants to automatically send summaries of last month's sales to each of the department...

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