Paketfilterung ausserhalb des Kernels



Target QUEUE, Modul ip_queue

snowflake:~# modprobe iptable_filter
snowflake:~# modprobe ip_queue
snowflake:~# iptables -A OUTPUT -p icmp -j QUEUE

/proc/net/ip_queue
/proc/sys/net/ipv4/ip_queue/maxlen



libipq API