Hello everyone,
I would be grateful for some advice. Am writing a target using xtables.
This target saves and restores a field in the IPv{4,6} header to/from
the connection mark.
I have read Jan Engelhardt's booklet (3 July 2012), but remain unclear
on how to ensure that connection tracking is turned on.
My difficulty arises in the following code snippet:
const struct nf_conn *ct;
ct = nf_ct_get(skb, &ctinfo);
if (ct == NULL) {
return false;
}
/* use ct-> */
ct is always false and therefore I cannot do the save and restore.
Any suggestions?
Many thanks
Nicole
--
To unsubscribe from this list: send the line "unsubscribe netfilter" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
