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Old 11-29-2011, 05:09 PM
"Kevin O'Gorman"
 
Default Using calibre safely?

For a few months now I've been using calibre to access the 100-or-so
ebooks that I have (mostly DRM-free PDFs).
I just became aware of a vulnerability built in to calibre.
I am not enormously worried because this is a one-user system, and the
vulnerability seems to involve privilege
escalation by authorized users.

On the other hand, it appears that my calibre is listening on a TCP
port. It's on a laptop behind a NAT router at
the moment, so I'm still safe, but because I'd like to migrate to
another system that is exposed to the net, I'd like
it to stop network access because I'm not networking any of these
books. Not intentionally, anyway.

I'm open to advice and suggestions, including replacing calibre with
something else, but I have to end up with access to
my library and reasonable security.

--
Kevin O'Gorman, PhD

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Old 11-29-2011, 06:18 PM
Rashkae
 
Default Using calibre safely?

On 11/29/2011 01:09 PM, Kevin O'Gorman wrote:

On the other hand, it appears that my calibre is listening on a TCP
port. It's on a laptop behind a NAT router at
the moment, so I'm still safe, but because I'd like to migrate to
another system that is exposed to the net, I'd l


If you have a Internet facing system, then turn on the firewall. This
should *always* be done. No matter how secure a default install is, it
is way too easy to unknowingly install a package that listens for
incoming network connections.


By default, Ubuntu installs UFW. Basic firewall protection is as simple
as editing your /etc/ufw.conf file and changing Enabled to yes.







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