Hello all, I write a netfilter kernel module which prints skb->len at NF_IP_POST_ROUTING.When i complie it on Fedora core1 and insmod i got results for ping localhost that skb->len is 0. But if i compile and insmod it same on 2.4.20 kernel it works? why??? regards, linux_lover. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html