Using calibre safely?

Kevin O'Gorman kogorman at
Sat Dec 3 05:18:58 UTC 2011

On Tue, Nov 29, 2011 at 11:18 AM, Rashkae <ubuntu at> wrote:
> On 11/29/2011 01:09 PM, Kevin O'Gorman wrote:
> 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.

I tried it: edited the config file /etc/ufw/ufw.conf, and rebooted.
My apache2 web server was blocked, in spite of the entry in

So I disabled it again.  I'll have to spend more time reading the
documentation.  I find the mixture of configuration lines and commands
to be confusing.  I don't want to have to enter commands every time I
reboot. The bloody thing creates 31 separate tables, and there's a lot
of structure but not much guidance.  Besides that, the stuff in
applications.d has some pretty confusing stuff, which may not even be
used judging by the blocking of apache.

Kevin O'Gorman, PhD

More information about the ubuntu-users mailing list