Hi, I need to define LARGE_NAT in ip_nat.h, however there are 3 such files in my system: locate ip_nat.h /usr/include/netinet/ip_nat.h /usr/src/contrib/ipfilter/ip_nat.h /usr/src/sys/contrib/ipfilter/netinet/ip_nat.h The question is simple - which one should I change? regards, Andriy Korud