hello, how can i use packets in userspace using netfilter. i want some sample examples that manipulates on packet. Also,which headers are added when packet reaches to netfilter hook NF_IP_LOCAL_OUT? I found TCP/UDP/ICMP ,IP. Is that correct? regards, cranium __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/