Proxy FAQ

jdbc:mysql://192.168.99.100:33056/guest?user=guest&\
password=guest&failOverReadOnly=false&maxReconnects=10&\
socksProxyHost=82.204.180.43&socksProxyPort=36819&autoReconnect=true

sysctl -w net.ipv4.ip_forward=1

# TProxy
iptables -t mangle -A PREROUTING -p tcp -j TPROXY --on-port 12345 --tproxy-mark 1
ip rule add fwmark 1 lookup 100
ip route add local default dev lo table 100

# Redirect
iptables -t nat -A PREROUTING -p tcp -j REDIRECT --to-ports 12345

ip rule add fwmark 1 lookup tproxy
ip route add local default dev lo table tproxy

table ip mangle {
    chain PREROUTING {
        type filter hook prerouting priority -150; policy accept;
        # 标记 TCP 和 UDP 流量
        ip daddr != 127.0.0.1 meta l4proto { tcp, udp } mark set 1 comment "Mark packets for TProxy"
        # 将标记的流量交给 TProxy
        mark 1 tproxy to :12345 comment "Redirect marked packets to TProxy"
    }
    chain OUTPUT {
        type route hook output priority -150; policy accept;
    }
}

100     tproxy

table ip nat {
    chain PREROUTING {
        type nat hook prerouting priority -100; policy accept;
        # 将流量重定向到 Sing-box 的监听端口
        ip daddr != 127.0.0.1 meta l4proto { tcp, udp } redirect to :12345 comment "Redirect packets to proxy"
    }
}