Install Adblock in your OpenWRT Router OS
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March 21, 2021 at 02:00PM Security
Adblock software in OpenWRT is a script running in your OpenWRT gateway to sort out those DNS queries that ask for the resources recrds of ad servers and return a simple 'NSDOMAIN'. This action will make your browser not able to show those ads on the page you are surfing.
Topology
Prerequisites
- OpenWrt, tested with the stable release series (19.07.x) and with the latest rolling snapshot releases. On turris devices it has been successfully tested with TurrisOS 5.1.x
- A download utility with SSL support: 'wget', 'uclient-fetch' with one of the 'libustream-*' ssl libraries, 'aria2c' or 'curl' is required
- Option: DNS Reporting, TCPDUMP or TCPDUMP-Mini installed
- Client DNS pointing to OpenWRT
Installation Steps
From OpenWRT Luci Web GUI:
- Click Update Lists from OpenWRT Web GUI - System - Software
- Install adblock and luci-app-adblock
- Install wget / Curl
- Reboot OpenWRT
- Browse to OpenWRT Web GUI - Services - Adblock
From Console or SSH Session:
- Update your local opkg repository (opkg update)
- Install 'adblock' (opkg install adblock). The adblock service is enabled by default
- Install the LuCI companion package 'luci-app-adblock' (opkg install luci-app-adblock)
- It's strongly recommended to use the LuCI frontend to easily configure all aspects of adblock, the application is located in LuCI under the 'Services' menu
- Update from a former adblock version is easy. During the update a backup is made of the old configuration '/etc/config/adblock-backup' and replaced by the new config - that's all
References
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March 21, 2021 at 02:00PM Security
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