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D5dRvCVRmuC4qz6Z
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求助: ipv4 无法访问, ipv6 却可以正常使用

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  •   D5dRvCVRmuC4qz6Z · 2022-08-14 00:15:55 +08:00 · 1063 次点击
    这是一个创建于 815 天前的主题,其中的信息可能已经有所发展或是发生改变。

    遇到一个十分诡异的问题,openwrt 路由正常访问 ipv4 和 ipv6 ,但是连接的设备 ipv4 ping 不通,ipv6 却可以正常使用。

    防火墙的配置如下

    config defaults
    	option input 'ACCEPT'
    	option output 'ACCEPT'
    	option flow_offloading '1'
    	option flow_offloading_hw '1'
    	option fullcone '1'
    	option synflood_protect '1'
    	option forward 'ACCEPT'
    
    config zone
    	option name 'lan'
    	list network 'lan'
    	option input 'ACCEPT'
    	option output 'ACCEPT'
    	option forward 'ACCEPT'
    
    config zone
    	option name 'wan'
    	list network 'wan'
    	list network 'wan6'
    	option input 'REJECT'
    	option output 'ACCEPT'
    	option forward 'REJECT'
    	option masq '1'
    	option mtu_fix '1'
    
    config forwarding
    	option src 'lan'
    	option dest 'wan'
    
    config rule
    	option name 'Allow-DHCP-Renew'
    	option src 'wan'
    	option proto 'udp'
    	option dest_port '68'
    	option target 'ACCEPT'
    	option family 'ipv4'
    
    config rule
    	option name 'Allow-Ping'
    	option src 'wan'
    	option proto 'icmp'
    	option icmp_type 'echo-request'
    	option family 'ipv4'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-IGMP'
    	option src 'wan'
    	option proto 'igmp'
    	option family 'ipv4'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-DHCPv6'
    	option src 'wan'
    	option proto 'udp'
    	option dest_port '546'
    	option family 'ipv6'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-MLD'
    	option src 'wan'
    	option proto 'icmp'
    	option src_ip 'fe80::/10'
    	list icmp_type '130/0'
    	list icmp_type '131/0'
    	list icmp_type '132/0'
    	list icmp_type '143/0'
    	option family 'ipv6'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-ICMPv6-Input'
    	option src 'wan'
    	option proto 'icmp'
    	list icmp_type 'echo-request'
    	list icmp_type 'echo-reply'
    	list icmp_type 'destination-unreachable'
    	list icmp_type 'packet-too-big'
    	list icmp_type 'time-exceeded'
    	list icmp_type 'bad-header'
    	list icmp_type 'unknown-header-type'
    	list icmp_type 'router-solicitation'
    	list icmp_type 'neighbour-solicitation'
    	list icmp_type 'router-advertisement'
    	list icmp_type 'neighbour-advertisement'
    	option limit '1000/sec'
    	option family 'ipv6'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-ICMPv6-Forward'
    	option src 'wan'
    	option dest '*'
    	option proto 'icmp'
    	list icmp_type 'echo-request'
    	list icmp_type 'echo-reply'
    	list icmp_type 'destination-unreachable'
    	list icmp_type 'packet-too-big'
    	list icmp_type 'time-exceeded'
    	list icmp_type 'bad-header'
    	list icmp_type 'unknown-header-type'
    	option limit '1000/sec'
    	option family 'ipv6'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-IPSec-ESP'
    	option src 'wan'
    	option dest 'lan'
    	option proto 'esp'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Allow-ISAKMP'
    	option src 'wan'
    	option dest 'lan'
    	option dest_port '500'
    	option proto 'udp'
    	option target 'ACCEPT'
    
    config rule
    	option name 'Support-UDP-Traceroute'
    	option src 'wan'
    	option dest_port '33434:33689'
    	option proto 'udp'
    	option family 'ipv4'
    	option target 'REJECT'
    	option enabled 'false'
    
    config include
    	option path '/etc/firewall.user'
    
    config include 'miniupnpd'
    	option type 'script'
    	option path '/usr/share/miniupnpd/firewall.include'
    	option family 'any'
    	option reload '1'
    
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