April 2014
Intermediate to advanced
976 pages
32h 46m
German
Content preview from Linux-Server mit Debian 7 GNU/Linux
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Kapitel 36: iptables als Netzwerk-Firewall
Sie haben iptables bereits als Personal-Firewall kennengelernt. Damit konnten wir einen einzelnen Rechner schützen. Eine Netzwerk-Firewall setzt in der Regel auf einem Router auf (Ausnahmen bilden Proxy-Firewalls und transparente Bridge-Firewalls).
Wie Sie unter Linux einen Router konfigurieren, haben Sie im letzten Kapitel gelernt. Hierbei haben wir auch einen DSL-Anschluss konfiguriert.
Für den Zugriff ins Internet ist eine Firewall obligatorisch. Wenn mehrere Rechner über einen Router (Standard-Gateway) Zugriff auf das Internet benötigen, bietet es sich natürlich an, auf diesem Router eine Firewall zu installieren, die das gesamte interne Netzwerk schützt. Genau darum geht es in diesem Kapitel. ...
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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.
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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.