diff --git a/board/common/rootfs/etc/sysctl.d/bridge-no-filter.conf b/board/common/rootfs/etc/sysctl.d/bridge-no-filter.conf
new file mode 100644
index 00000000..b52ae7e7
--- /dev/null
+++ b/board/common/rootfs/etc/sysctl.d/bridge-no-filter.conf
@@ -0,0 +1,4 @@
+# https://addiva-elektronik.github.io/2023/03/29/bridge-firewalling/
+net.bridge.bridge-nf-call-ip6tables = 0
+net.bridge.bridge-nf-call-iptables  = 0
+net.bridge.bridge-nf-call-arptables = 0