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Do I use helpers?<br />
What happens if I load a helper?<br />
Can a user send crafted messages and go freely through the<br />
firewall?<br />
Do helpers transform my firewall in openbar?<br />
A study is needed.<br />
Let’s look at the helpers.<br />
Éric Leblond, Victor Julien (OISF) <strong>The</strong> <strong>menace</strong> <strong>came</strong> <strong>from</strong> <strong>below</strong> <strong>Hack</strong>.<strong>lu</strong> 2012 12 / 66