# iifname "eth0" tcp dport 80-90 dnat to 192.168.3.2 ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ cmp gte reg 1 0x00005000 ] [ cmp lte reg 1 0x00005a00 ] [ immediate reg 1 0x0203a8c0 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # iifname "eth0" tcp dport != 80-90 dnat to 192.168.3.2 ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ range neq reg 1 0x00005000 0x00005a00 ] [ immediate reg 1 0x0203a8c0 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # iifname "eth0" tcp dport {80, 90, 23} dnat to 192.168.3.2 __set%d test-ip4 3 __set%d test-ip4 0 element 00005000 : 0 [end] element 00005a00 : 0 [end] element 00001700 : 0 [end] ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ lookup reg 1 set __set%d ] [ immediate reg 1 0x0203a8c0 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # iifname "eth0" tcp dport != {80, 90, 23} dnat to 192.168.3.2 __set%d test-ip4 3 __set%d test-ip4 0 element 00005000 : 0 [end] element 00005a00 : 0 [end] element 00001700 : 0 [end] ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ lookup reg 1 set __set%d 0x1 ] [ immediate reg 1 0x0203a8c0 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # iifname "eth0" tcp dport != 23-34 dnat to 192.168.3.2 ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ range neq reg 1 0x00001700 0x00002200 ] [ immediate reg 1 0x0203a8c0 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # iifname "eth0" tcp dport 81 dnat to 192.168.3.2:8080 ip test-ip4 prerouting [ meta load iifname => reg 1 ] [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ] [ meta load l4proto => reg 1 ] [ cmp eq reg 1 0x00000006 ] [ payload load 2b @ transport header + 2 => reg 1 ] [ cmp eq reg 1 0x00005100 ] [ immediate reg 1 0x0203a8c0 ] [ immediate reg 2 0x0000901f ] [ nat dnat ip addr_min reg 1 addr_max reg 0 proto_min reg 2 proto_max reg 0 ] # dnat to ct mark map { 0x00000014 : 1.2.3.4} __map%d test-ip4 b __map%d test-ip4 0 element 00000014 : 04030201 0 [end] ip test-ip4 prerouting [ ct load mark => reg 1 ] [ lookup reg 1 set __map%d dreg 1 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ] # dnat to ct mark . ip daddr map { 0x00000014 . 1.1.1.1 : 1.2.3.4} __map%d test-ip4 b __map%d test-ip4 0 element 00000014 01010101 : 04030201 0 [end] ip test-ip4 output [ ct load mark => reg 1 ] [ payload load 4b @ network header + 16 => reg 9 ] [ lookup reg 1 set __map%d dreg 1 ] [ nat dnat ip addr_min reg 1 addr_max reg 0 ]