On Friday 2010-04-23 10:55, Nicola Padovano wrote:
>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?
That a target is not a hook.
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