#Ruby Script Demo:
#ruby -ryaml -rYAML -I "/usr/share/openclash" -E UTF-8 -e "
# begin
# Value = YAML.load_file('$CONFIG_FILE');
# rescue Exception => e
# puts '${LOGTIME} Error: Load File Failed,【' + e.message + '】';
# end;

#General
# begin
# Thread.new{
# Value['redir-port']=7892;
# Value['tproxy-port']=7895;
# Value['port']=7890;
# Value['socks-port']=7891;
# Value['mixed-port']=7893;
# }.join;

# rescue Exception => e
# puts '${LOGTIME} Error: Set General Failed,【' + e.message + '】';
# ensure
# File.open('$CONFIG_FILE','w') {|f| YAML.dump(Value, f)};
# end" 2>/dev/null >> $LOG_FILE

exit 0

## 自定义防火墙设置

bash
# cat /etc/openclash/custom/openclash_custom_firewall_rules.sh
#!/bin/sh
. /usr/share/openclash/log.sh
. /lib/functions.sh

# This script is called by /etc/init.d/openclash
# Add your custom firewall rules here, they will be added after the end of the OpenClash iptables rules

LOG_OUT "Tip: Start Add Custom Firewall Rules..."

exit 0

## IPTABLES 防火墙设置

### IPv4 NAT chain

bash
# iptables-save -t nat
# Generated by iptables-save v1.8.7 on Mon Aug 3 01:22:34 2026
*nat
:PREROUTING ACCEPT [1130:122234]
:INPUT ACCEPT [20099:4374347]
:OUTPUT ACCEPT [1540:96483]
:POSTROUTING ACCEPT [1557:97575]
:DOCKER - [0:0]
:MINIUPNPD - [0:0]
:MINIUPNPD-POSTROUTING - [0:0]
:openclash - [0:0]
:openclash_output - [0:0]
:postrouting_VPN_rule - [0:0]
:postrouting_docker_rule - [0:0]
:postrouting_lan_rule - [0:0]
:postrouting_rule - [0:0]
:postrouting_vpn_rule - [0:0]
:postrouting_wan_rule - [0:0]
:prerouting_VPN_rule - [0:0]
:prerouting_docker_rule - [0:0]
:prerouting_lan_rule - [0:0]
:prerouting_rule - [0:0]
:prerouting_vpn_rule - [0:0]
:prerouting_wan_rule - [0:0]
:ts-postrouting - [0:0]
:zone_VPN_postrouting - [0:0]
:zone_VPN_prerouting - [0:0]
:zone_docker_postrouting - [0:0]
:zone_docker_prerouting - [0:0]
:zone_lan_postrouting - [0:0]
:zone_lan_prerouting - [0:0]
:zone_vpn_postrouting - [0:0]
:zone_vpn_prerouting - [0:0]
:zone_wan_postrouting - [0:0]
:zone_wan_prerouting - [0:0]
-A PREROUTING -p tcp -m tcp --dport 53 -m comment --comment "OpenClash DNS Hijack" -j REDIRECT --to-ports 53
-A PREROUTING -p udp -m udp --dport 53 -m comment --comment "OpenClash DNS Hijack" -j REDIRECT --to-ports 53
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
-A PREROUTING -m comment --comment "!fw3: Custom prerouting rule chain" -j prerouting_rule
-A PREROUTING -i br-lan -m comment --comment "!fw3" -j zone_lan_prerouting
-A PREROUTING -i docker0 -m comment --comment "!fw3" -j zone_docker_prerouting
-A PREROUTING -i ipsec0 -m comment --comment "!fw3" -j zone_VPN_prerouting
-A PREROUTING -i tun0 -m comment --comment "!fw3" -j zone_vpn_prerouting
-A PREROUTING -p tcp -j openclash
-A OUTPUT -d 127.0.*.*/32 -p udp -m owner ! --gid-owner 65534 -m comment --comment "OpenClash DNS Hijack" -m udp --dport 53 -j REDIRECT --to-ports 53
-A OUTPUT -d 127.0.*.*/32 -p tcp -m owner ! --gid-owner 65534 -m comment --comment "OpenClash DNS Hijack" -m tcp --dport 53 -j REDIRECT --to-ports 53
-A OUTPUT ! -d 127.0.*.*/8 -m addrtype --dst-type LOCAL -j DOCKER
-A OUTPUT -j openclash_output
-A POSTROUTING -j ts-postrouting
-A POSTROUTING -s 172.31.*.*/24 ! -o docker0 -j MASQUERADE
-A POSTROUTING -m comment --comment "!fw3: Custom postrouting rule chain" -j postrouting_rule
-A POSTROUTING -o br-lan -m comment --comment "!fw3" -j zone_lan_postrouting
-A POSTROUTING -o docker0 -m comment --comment "!fw3" -j zone_docker_postrouting
-A POSTROUTING -o ipsec0 -m comment --comment "!fw3" -j zone_VPN_postrouting
-A POSTROUTING -o tun0 -m comment --comment "!fw3" -j zone_vpn_postrouting
-A openclash -m set --match-set localnetwork dst -j RETURN