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# udp dport 53 masquerade
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq ]
# udp dport 53 masquerade random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x4 ]
# udp dport 53 masquerade random,persistent
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0xc ]
# udp dport 53 masquerade random,persistent,fully-random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x1c ]
# udp dport 53 masquerade random,fully-random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x14 ]
# udp dport 53 masquerade random,fully-random,persistent
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x1c ]
# udp dport 53 masquerade persistent
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x8 ]
# udp dport 53 masquerade persistent,random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0xc ]
# udp dport 53 masquerade persistent,random,fully-random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x1c ]
# udp dport 53 masquerade persistent,fully-random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x18 ]
# udp dport 53 masquerade persistent,fully-random,random
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ masq flags 0x1c ]
# tcp dport { 1,2,3,4,5,6,7,8,101,202,303,1001,2002,3003} masquerade
__set%d test-ip6 3
__set%d test-ip6 0
element 0001 element 0002 element 0003 element 0004 element 0005 element 0006 element 0007 element 0008 element 0065 element 00ca element 012f element 03e9 element 07d2 element 0bbb
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x06 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ lookup reg 1 set __set%d ]
[ masq ]
# ip6 daddr fe00::1-fe00::200 udp dport 53 counter masquerade
ip6 test-ip6 postrouting
[ payload load 16b @ network header + 24 => reg 1 ]
[ range eq reg 1 0xfe000000 0x00000000 0x00000000 0x00000001 0xfe000000 0x00000000 0x00000000 0x00000200 ]
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x11 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ cmp eq reg 1 0x0035 ]
[ counter pkts 0 bytes 0 ]
[ masq ]
# iifname "eth0" ct state established,new tcp dport vmap {22 : drop, 222 : drop } masquerade
__map%d test-ip6 b
__map%d test-ip6 0
element 0016 : drop element 00de : drop
ip6 test-ip6 postrouting
[ meta load iifname => reg 1 ]
[ cmp eq reg 1 0x65746830 0x00000000 0x00000000 0x00000000 ]
[ ct load state => reg 1 ]
[ bitwise reg 1 = ( reg 1 & 0x0000000a ) ^ 0x00000000 ]
[ cmp neq reg 1 0x00000000 ]
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x06 ]
[ payload load 2b @ transport header + 2 => reg 1 ]
[ lookup reg 1 set __map%d dreg 0 ]
[ masq ]
# meta l4proto 6 masquerade to :1024
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x06 ]
[ immediate reg 1 0x0400 ]
[ masq proto_min reg 1 flags 0x2 ]
# meta l4proto 6 masquerade to :1024-2048
ip6 test-ip6 postrouting
[ meta load l4proto => reg 1 ]
[ cmp eq reg 1 0x06 ]
[ immediate reg 1 0x0400 ]
[ immediate reg 2 0x0800 ]
[ masq proto_min reg 1 proto_max reg 2 flags 0x2 ]
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