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OpenWrt - Adblock

OpenWrt offers an adblock tool and extensive block lists. It blocks adds on DNS basis like a Pi-hole. The service easy to install and to configure.

AMV Router Configuration

Configuration on an AVM router to reach a downstream OpenWrt device from your network:

  • DynDNS
  • Port Forwarding
  • IPv4 settings
  • IPv4 Routes


chrony is an implementation of the NTP (Network Time Protocol). It has some advantages against the standard ntpd (= Network Time Protocol daemon).

OpenWrt – DDNS

OpenWrt can use more than one DDNS service compared to a standard router. The setup is really easy.

Let's Encrypt

Let's Encrypt needs normally access via port 80 and 442 to the device that requests a certificate.

This article describes how to configure the necessary firewall rules.

OpenWrt - Network Configuration

Firewall, port forwarding, etc.? What and how should this get configured to make our services available?

This article describes exemplary how to make the necessary adjustments to the firewall