The Hole Trick

The hole trick How Skype & Co. get round firewalls Peer-to-peer software applications are a network administrator’s nightmare. In order to be able to exchange packets with their counterpart as directly as possible they use subtle tricks to punch holes in...

Stopping SPAM

Stopping Spambots with hashes and honeypots Spam sucks. Any site which allows unauthenticated users to submit forms will have a problem with spamming software (spambots) submitting junk content. A common technique to prevent spambots is CAPTCHA, which requires people...
Online Backup

Online Backup

Data loss hurts. We are here to help ensure it never happens again, unprepared. Online Backup is a pioneer and technology leader in online backup. Established in 2001, is one of the largest worldwide providers of online backup for consumers, small and medium...