package/network/config/firewall3/files/firewall.config

   1 config defaults
   2         option syn_flood        1
   3         option input            ACCEPT
   4         option output           ACCEPT
   5         option forward          REJECT
   6 # Uncomment this line to disable ipv6 rules
   7 #       option disable_ipv6     1
   8
   9 config zone
  10         option name             lan
  11         option network          'lan'
  12         option input            ACCEPT
  13         option output           ACCEPT
  14         option forward          REJECT
  15
  16 config zone
  17         option name             wan
  18         option network          'wan wan6'
  19         option input            REJECT
  20         option output           ACCEPT
  21         option forward          REJECT
  22         option masq             1
  23         option mtu_fix          1
  24
  25 config forwarding
  26         option src              lan
  27         option dest             wan
  28
  29 # We need to accept udp packets on port 68,
  30 # see https://dev.openwrt.org/ticket/4108
  31 config rule
  32         option name             Allow-DHCP-Renew
  33         option src              wan
  34         option proto            udp
  35         option dest_port        68
  36         option target           ACCEPT
  37         option family           ipv4
  38
  39 # Allow IPv4 ping
  40 config rule
  41         option name             Allow-Ping
  42         option src              wan
  43         option proto            icmp
  44         option icmp_type        echo-request
  45         option family           ipv4
  46         option target           ACCEPT
  47
  48 # Allow DHCPv6 replies
  49 # see https://dev.openwrt.org/ticket/10381
  50 config rule
  51         option name             Allow-DHCPv6
  52         option src              wan
  53         option proto            udp
  54         option src_ip           fe80::/10
  55         option src_port         547
  56         option dest_ip          fe80::/10
  57         option dest_port        546
  58         option family           ipv6
  59         option target           ACCEPT
  60
  61 # Allow essential incoming IPv6 ICMP traffic
  62 config rule
  63         option name             Allow-ICMPv6-Input
  64         option src              wan
  65         option proto    icmp
  66         list icmp_type          echo-request
  67         list icmp_type          echo-reply
  68         list icmp_type          destination-unreachable
  69         list icmp_type          packet-too-big
  70         list icmp_type          time-exceeded
  71         list icmp_type          bad-header
  72         list icmp_type          unknown-header-type
  73         list icmp_type          router-solicitation
  74         list icmp_type          neighbour-solicitation
  75         list icmp_type          router-advertisement
  76         list icmp_type          neighbour-advertisement
  77         option limit            1000/sec
  78         option family           ipv6
  79         option target           ACCEPT
  80
  81 # Allow essential forwarded IPv6 ICMP traffic
  82 config rule
  83         option name             Allow-ICMPv6-Forward
  84         option src              wan
  85         option dest             *
  86         option proto            icmp
  87         list icmp_type          echo-request
  88         list icmp_type          echo-reply
  89         list icmp_type          destination-unreachable
  90         list icmp_type          packet-too-big
  91         list icmp_type          time-exceeded
  92         list icmp_type          bad-header
  93         list icmp_type          unknown-header-type
  94         option limit            1000/sec
  95         option family           ipv6
  96         option target           ACCEPT
  97
  98 # include a file with users custom iptables rules
  99 config include
 100         option path /etc/firewall.user
 101
 102 # include IPv6 ULA-border
 103 config include
 104         option type script
 105         option path /usr/share/firewall/ipv6-ula-border.sh
 106         option family IPv6
 107         option reload 1
 108
 109
 110 ### EXAMPLE CONFIG SECTIONS
 111 # do not allow a specific ip to access wan
 112 #config rule
 113 #       option src              lan
 114 #       option src_ip   192.168.45.2
 115 #       option dest             wan
 116 #       option proto    tcp
 117 #       option target   REJECT
 118
 119 # block a specific mac on wan
 120 #config rule
 121 #       option dest             wan
 122 #       option src_mac  00:11:22:33:44:66
 123 #       option target   REJECT
 124
 125 # block incoming ICMP traffic on a zone
 126 #config rule
 127 #       option src              lan
 128 #       option proto    ICMP
 129 #       option target   DROP
 130
 131 # port redirect port coming in on wan to lan
 132 #config redirect
 133 #       option src                      wan
 134 #       option src_dport        80
 135 #       option dest                     lan
 136 #       option dest_ip          192.168.16.235
 137 #       option dest_port        80
 138 #       option proto            tcp
 139
 140 # port redirect of remapped ssh port (22001) on wan
 141 #config redirect
 142 #       option src              wan
 143 #       option src_dport        22001
 144 #       option dest             lan
 145 #       option dest_port        22
 146 #       option proto            tcp
 147
 148 # allow IPsec/ESP and ISAKMP passthrough
 149 #config rule
 150 #       option src              wan
 151 #       option dest             lan
 152 #       option protocol         esp
 153 #       option target           ACCEPT
 154
 155 #config rule
 156 #       option src              wan
 157 #       option dest             lan
 158 #       option src_port         500
 159 #       option dest_port        500
 160 #       option proto            udp
 161 #       option target           ACCEPT
 162
 163 ### FULL CONFIG SECTIONS
 164 #config rule
 165 #       option src              lan
 166 #       option src_ip   192.168.45.2
 167 #       option src_mac  00:11:22:33:44:55
 168 #       option src_port 80
 169 #       option dest             wan
 170 #       option dest_ip  194.25.2.129
 171 #       option dest_port        120
 172 #       option proto    tcp
 173 #       option target   REJECT
 174
 175 #config redirect
 176 #       option src              lan
 177 #       option src_ip   192.168.45.2
 178 #       option src_mac  00:11:22:33:44:55
 179 #       option src_port         1024
 180 #       option src_dport        80
 181 #       option dest_ip  194.25.2.129
 182 #       option dest_port        120
 183 #       option proto    tcp