Wireless networks are great- they give you all the benefits of a network without being tied down by wires.

However, wired networks have one major security benefit- it’s restricted to wherever you can physically plug a cable in. This lets you decide where people can- and can’t- access your network from. Typically this will be within your home or office.

Wireless networks are different- they can be accessed anywhere that’s within range of the transmitter/receiver, no wires required. This is why they’re convenient, but it’s also a potential security risk.

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We often get asked questions about the continuous ink systems (CIS or CISS for short) that we sell. They’re actually very easy to use if you bear a few things in mind.

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If you have an inkjet printer, you might be confused by the amount of different ink cartridges out there. Why are there so many, and which ones are suitable for your printer?

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We’ve decided to put some of our technical tricks and tips online to serve as a resource.

If you’re getting a problem something like this in Firefox (Mozilla):-

Error: uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIXMLHttpRequest.send]“  nsresult: “0×80004005 (NS_ERROR_FAILURE)“  location: “JS frame :: file:///C:/path/path/path/path/filename.js :: someMethod :: line 888″  data: no]

when you call the send() method on an XMLHttpRequest (XMLHttpRequest.send()), it’s possibly a browser security issue. Remember that by default browser-based JavaScript scripts and apps only allow requests to the same domain that the original page came from.

In particular this may be an issue if you’re testing scripts on your local hard drive.

There are ways around this, but that’s the basic problem.

(Edited 16 Jun 2010)