Dear folks When i use a NAT of netfilter, i configure address range which is used NATed address. In my understanding, That is an ip_nat_range. Is it correct ? So.. each mapping between original address and NATed address is a kind of mapping table Is it correct ? If it is right, How does it handle and mangle ? regards ----------------------------------------------------------- Soohong Park OPICOM Co., Ltd. T:+82-2-3413-2752 F:+82-2-3413-2707 P:+82-16-221-9209 E:[EMAIL PROTECTED]