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#! nft -f
#
add table ip filter
add chain ip filter output { type filter hook output priority 0 ; }
add chain ip filter chain1
add rule ip filter chain1 counter
add chain ip filter chain2
add rule ip filter chain2 counter
# must succeed: expr { expr, ... }
add rule ip filter OUTPUT tcp dport { \
22, \
23, \
}
# must fail: expr { type1, type2, ... }
add rule ip filter OUTPUT tcp dport { \
22, \
192.168.0.1, \
}
# must succeed: expr { expr : verdict, ... }
add rule ip filter OUTPUT tcp dport vmap { \
22 : jump chain1, \
23 : jump chain2, \
}
# must fail: expr { expr : verdict, expr : expr, ... }
add rule ip filter OUTPUT tcp dport vmap { \
22 : jump chain1, \
23 : 0x100, \
}
# must fail: expr { expr : expr, ...}
add rule ip filter OUTPUT tcp dport vmap { \
22 : 0x100, \
23 : 0x200, \
}
# must succeed: expr MAP { expr : expr, ... } expr
add rule ip filter OUTPUT meta mark set tcp dport map { \
22 : 1, \
23 : 2, \
}
# must fail: expr MAP { expr : type1, expr : type2, .. } expr
add rule ip filter OUTPUT meta mark set tcp dport map { \
22 : 1, \
23 : 192.168.0.1, \
}
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