[OpenWrt Wiki] fw3 IPv4 configuration examples
openwrt.org › docs › guide-userDec 05, 2021 · fw3 IPv4 configuration examples This section contains a collection of useful firewall3 configuration examples based on the UCI configuration files. All of these can be added on the LuCI Network -> Firewall -> Traffic Rules page. In keeping with the underlying netfilter service, the first matching rule will run its target and (with a couple of exceptions) filtering stops; no subsequent rules ...
[OpenWrt Wiki] IPsec Firewall
openwrt.org › services › vpnNov 11, 2020 · To enable custom firewall rules we hook up with the default firewall mechanism. Ensure that firewall user scripts are loaded and reloaded everytime we (re)start the OpenWrt firewall. Verify/adapt the following lines in /etc/config/firewall. config include option path '/etc/firewall.user' option reload 1.
[OpenWrt Wiki] fw3 Logging Rejected Packets
openwrt.org › docs › guide-userSep 07, 2020 · fw3 Logging Rejected Packets In the standard fw3 Configuration only REJECTED packets can be logged. The rules documented here can also be added to fw3 using the /etc/firewall.user include file. See fw3_iptables_logging. Before choosing to enable logging of REJECTED packets, please consider pros and cons:
[OpenWrt Wiki] Firewall usage guide
openwrt.org › docs › guide-userJul 16, 2020 · It is important to test each firewall rule you have added. If it works, GREAT! If it does not produce the desired result then it is almost certainly a problem with the resulting netfilter rule(s) or rule order. See Openwrt Netfilter Management for tips on debugging the problem.