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Date: Mon, 19 Jan 2015 04:08:56 +1100
Subject: Re: Hello World
From: Chris Angelico <rosuav@gmail.com>
Cc: "python-list@python.org" <python-list@python.org>
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Xref: csiph.com comp.lang.python:83991

On Mon, Jan 19, 2015 at 2:48 AM, Michael Str=C3=B6der <michael@stroeder.com=
> wrote:
>> For instance, someone could join my wifi
>> network - all they need is the WPA2 PSK, which is well known around
>> the place - and use/abuse our internet connection; but they couldn't
>> access my PostgreSQL databases, because the firewall doesn't permit
>> access to port 5432.
>
> =E2=80=A6but your firewall relies on authenticity of IP addresses. Fail!

No; I have two completely separate networks. If you're on the one that
anyone can easily get onto, it doesn't matter what your IP is, you do
not get access to certain ports on computers on the other side of the
firewall.

ChrisA