Linux Journal

Building a Transparent Firewall with Linux, Part IV

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...
GitHub

21.02.1: Enable vlan filtering in LuCI for wireless devices in bridge

I have a configuration where two openwrt devices are connected via 5 GHz radio, using WDS. This connection passes several vlans (one pvid and untagged, the rest tagged). It was something of a ...
GitHub

vlan traffic doesn't traverse bridge to wifi interface on wl-wn573hx1

When attempting to create an ssid bridged to a vlan-tagged lan interface, Openwrt does not forward the traffic received to the wifi interface. Traffic from the wifi interface is forwarded and tagged ...
Linux Journal

Building a Transparent Firewall with Linux, Part III

In this series of articles, I'm showing how to build a transparent firewall using OpenWrt (Linux) running on an inexpensive Linksys WRT54GL wireless router. In Part I, I explained why firewalls are ...