MANGLE_VALID_HOOKS 24 net/ipv4/netfilter/iptable_mangle.c #define MANGLE_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | \ MANGLE_VALID_HOOKS 18 net/ipv6/netfilter/ip6table_mangle.c #define MANGLE_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | \