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NetFlow und IPFIX mit nfdump und NfSen

Mathias Weidner

Dieses Buch hilft ihnen, mit NetFlow und IPFIX den Datenverkehr in ihrem Netzwerk zu erfassen und auszuwerten. Alles was Sie benötigen ist ein Server oder eine VM mit genügend Plattenplatz und den Willen selbst Hand anzulegen.

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About

About

About the Book

In diesem Buch fasse ich meine Erfahrungen mit NetFlow und IPFIX im Allgemeinen und mit nfdump und NfSen - zwei Open-Source-Werkzeugen - im Besonderen zusammen.

Das Buch wendet sich an Praktiker, die die Möglichkeiten eines NetFlow- und IPFIX-Monitors erkunden wollen, ohne Geld für ein kommerzielles Produkt auszugeben.

Alles was Sie benötigen, ist ein Server oder eine virtuelle Maschine mit genügend Plattenplatz und Linux oder Unix als Betriebssystem, sowie den Willen, selbst Hand anzulegen. Außerdem eine oder mehrere NetFlow- oder IPFIX-Sonden, die die Daten schicken.

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NetworkingSystems Administration

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Author

About the Author

Mathias Weidner

Mathias Weidner worked many years as a system and network administrator.

Besides writing books he sometimes writes Perl modules that can be found on CPAN.

Contents

Table of Contents

  • Einleitung
  • NetFlow und IPFIX
  • Installation von nfdump und NfSen
    • Nfdump aufsetzen
      • Testen
    • NfSen aufsetzen
  • nfdump
    • nfcapd
    • nfdump
    • nfanon
    • nfexpire
    • nfreplay
    • Optionale Programme
  • NfSen
    • Browser-Schnittstelle
      • Tab Home
      • Tab Graphs
      • Tab Details
      • Tab Alerts
      • Tab Stats
      • Tab Plugins
    • Kommandozeilenprogramm
      • Starten und Anhalten von NfSen
      • Status von NfSen
      • Konfigurationsänderungen einlesen
      • Profile bearbeiten
      • Kanäle bearbeiten
      • Plug-Ins auflisten
  • Auswertungen
    • Verursacher des stärksten Traffic ermitteln
    • Verdächtige Netzwerkknoten
    • Zeitdiagramme für Reports vorbereiten
  • NetFlow Sonden
    • MikroTik
    • Softflowd
  • Problembehebung
    • Installation
    • Inbetriebnahme von Sonden
    • Auswertungen und allgemeine Probleme
  • nfsen.conf
    • Dateien und Verzeichnisse
    • Benutzer und Gruppen
    • Einstellungen für nfdump
    • NetFlow- und IPFIX-Sonden
    • Systembezogene Einstellungen
    • Plug-ins
    • E-Mail-Benachrichtigungen
    • NfSen Simulator
    • Dateiende
  • NetFlow Export Datagrammformate
    • NetFlow Version 1
    • NetFlow Version 5
    • NetFlow Version 9
    • IPFIX

Causes

Causes Supported

Free Software Foundation

Free Software Foundation FSF

http://www.fsf.org
The Free Software Foundation (FSF) is a nonprofit with a worldwide mission to promote computer user freedom. We defend the rights of all software users.
As our society grows more dependent on computers, the software we run is of critical importance to securing the future of a free society. Free software is about having control over the technology we use in our homes, schools and businesses, where computers work for our individual and communal benefit, not for proprietary software companies or governments who might seek to restrict and monitor us.

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