October 2025
Intermediate to advanced
640 pages
19h 35m
German
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Kapitel 23: Firewalls in der Praxis
Wie Sie bereits im vorigen Kapitel erfahren haben, sind Firewalls einer der Grundpfeiler jeder IT-Sicherheitsinfrastruktur. Grund genug, sich in diesem Kapitel einmal ausführlicher mit den verschiedenen Firewall-Typen auseinanderzusetzen und auch einen direkten Bezug zur Praxis zu schaffen. Daher erfahren Sie auf den nächsten Seiten, welche Firewall-Varianten es gibt, wo und wie Sie diese in Ihre IT-Infrastruktur integrieren können und wie Sie eine Netzwerk-Firewall konfigurieren können. Dazu nutzen wir ein praktisches Beispiel und verwenden die Open-Source-Software pfSense.
23.1 Firewall-Grundlagen
In diesem Abschnitt klären wir zunächst, wie eine Firewall im Detail funktioniert und welche Firewall-Typen ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.