hi all.
i've read how to register an hook in netfilter. and i found two ways.
the first uses, this routines:
unsigned int my_hook(unsigned int hooknum,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
}
int nf_register_hook(struct nf_hook_ops *reg)
int nf_unregister_hook(struct nf_hook_ops *reg)
the second instead:
static unsigned int xt_tarpit_target(struct sk_buff *skb,
const struct xt_target_param *par)
and:
xt_register_target(&xt_tarpit_reg);
xt_unregister_target(&xt_tarpit_reg);
which is the difference?
thank you!
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