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212.1 - Configuring a router

Weight: 3

Description: Candidates should be able to configure a system to forward IP packet and perform network address translation (NAT, IP masquerading) and state its significance in protecting a network. This objective includes configuring port redirection, managing filter rules and averting attacks.

Key Knowledge Areas:

  • iptables and ip6tables configuration files, tools and utilities
  • Tools, commands and utilities to manage routing tables.
  • Private address ranges (IPv4) and Unique Local Addresses as well as Link Local Addresses (IPv6)
  • Port redirection and IP forwarding
  • List and write filtering and rules that accept or block IP packets based on source or destination protocol, port and address
  • Save and reload filtering configurations

Terms and Utilities:

  • /proc/sys/net/ipv4/
  • /proc/sys/net/ipv6/
  • /etc/services
  • iptables
  • ip6tables

Piste : • Topic 212 - Sécuriser un Serveur FTP (2/60) • 107.1 - Gérer les comptes des utilisateurs, les groupes et les fichiers système associés (5/60) • LDF302 - Gestion des Disques Avancée - Raid Logiciel • 108.4 - Gérer les imprimantes et les impressions (2/60) • 208.3 - Gestion du Serveur Proxy (2/60) - FIXME • The VIsual Editor • Topic 205: Networking Configuration • 102.3 - Gérer les bibliothèques partagées (1/60) • 211.1 - Using e-mail servers • 212.1 - Configuring a router

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