"I'm working for a relatively large Internet Presence Provider
(IPP) that servs about 4000 clients from about 30 countries
worldwide. Besides a chunk of e-mails to our support regarding
viruses, leaching and insecure Perl/PHP scripts, I've seen a number
of questions related to securely downloading backups.
"With the proliferation of open public wireless networks, more
and more of our clients wanted to use the possibilities of freely
downloading hundreds of megabytes of their private data. This data
included compressed files containing web sites, databases, scripts
and even e-commerce credit card depositories. Don't get me
wrong--secure backups aren't in any way solely concentrated to
wireless networks, but we usually presume that our fixed line
connections are secure from prying eyes. From the disclaimer point
of view--every business data that is transferred from spot A to
spot B, should be decently encrypted.
"As the majority of our users are hosted on Linux and BSD
servers but are not very keen to system administration, this
article should be of interest mainly to this type of
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