请问在路由器里用iptables 怎么重定向cf cdn的所有ip到优选ip上？

[cqcw123123]

请问在路由器里用iptables 怎么重定向cf cdn的所有ip到优选ip上？
我的路由器里没有ipset。
谢谢。

[Sving1024]

不用 iptables。提供一个 nftables 的吧。

define cloudflare_ipv4 = {
    173.245.48.0/20,
    103.21.244.0/22,
    103.22.200.0/22,
    103.31.4.0/22,
    141.101.64.0/18,
    108.162.192.0/18,
    190.93.240.0/20,
    188.114.96.0/20,
    197.234.240.0/22,
    198.41.128.0/17,
    162.158.0.0/15,
    104.16.0.0/13,
    104.24.0.0/14,
    172.64.0.0/13,
    131.0.72.0/22
}
define cloudflare_ipv6 = {
    2400:cb00::/32,
    2606:4700::/32,
    2803:f800::/32,
    2405:b500::/32,
    2405:8100::/32,
    2a06:98c0::/29,
    2c0f:f248::/32
}

define best_ipv4 = 104.17.53.95
define best_ipv6 = 2606:4700:f5:0:c0cf:91e7:5d6c:2ef9

table ip cloudflare_redirect {
    chain prerouting {
        type nat hook prerouting priority -150; policy accept;
        
		socket cgroupv2 level 1 "cfst.slice" return
        #ip daddr $cloudflare_ipv4 tcp dport 443 dnat to $best_ipv4:8443
        ip daddr $cloudflare_ipv4 dnat to $best_ipv4
    }
}

table ip6 cloudflare_redirect {
    chain prerouting {
        type nat hook prerouting priority -150; policy accept;
        
		socket cgroupv2 level 1 "cfst.slice" return
        # ip6 daddr $cloudflare_ipv6 tcp dport 443 dnat to $best_ipv6:8443
        ip6 daddr $cloudflare_ipv6 dnat to $best_ipv6
    }
}