I want to create a "new option" for IP. This options will be inserted in the ip header thanks to a postrouting netfilter hook and an iptables target.
But I did not understand exactly how to modify the options field of an IP header. For now, I try to use the ip_options structure of the sk_buff, without success.
If someone have a idea how do this, or know where I can find some informations, that will be a invaluable help for me.
thanks, Antoine Luu
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