WAN/LAN-Setup (EN)

Concept

Basic configuration of WAN and LAN network interfaces

Architecture

A typical WAN/LAN-Setup in a firewall architecture:

flowchart LR   WAN[Internet/WAN] --> FW[Firewall]   FW --> LAN[LAN/Internes Netzwerk]   subgraph Firewall     direction TB     WAN_Schnittstelle[WAN-Schnittstelle] --> Sicherheitspolitik     LAN_Schnittstelle[LAN-Schnittstelle] --> Sicherheitspolitik     Sicherheitspolitik --> DMZ[Optional: DMZ]   end   LAN --> Clients[Clients/Server]   DMZ --> Öffentliche_Services[Öffentliche Services]

In Context

  • Typically used together with Firewall-Regeln and Netzwerkadressübersetzung (NAT)
  • Related to: DMZ, VPN, Proxy-Server, Netzwerksegmentierung
  • Example use: Separation of the corporate network from the internet with specific rules for incoming and outgoing traffic
Quelle: AI Generated