From LedHed's Wiki
Contents
Overview
Some useful CLI commands for OpenWRT
Packages
Update Package List
opkg update
Install Package
opkg install nano
Remove Package
opkg remove nano
Firewall
Firewall Config File
/etc/config/firewall
Enable/Disable firewall rule
uci set firewall.@rule[xxx].enabled=0
Where xxx = the rule number
Firewall Rule Example
/etc/config/firewall
config rule option target 'ACCEPT' option src 'wan' option proto 'tcp' option dest_port '22' option name 'WAN SSH'
Reload the firewall after a change
fw3 reload
Reference
https://forum.openwrt.org/t/how-to-enable-disable-a-traffic-rule-from-the-shell/22611
https://openwrt.org/docs/guide-user/base-system/uci
https://openwrt.org/docs/guide-user/firewall/firewall_configuration