xxx:~# iptables -t NAT -A PREROUTING -d xxx.xxx.xxx.xxx -j DNAT --to-destination 10.0.1.2 WARNING: All config files need .conf: /etc/modprobe.d/bad_list, it will be ignored in a future release. WARNING: All config files need .conf: /etc/modprobe.d/blacklist, it will be ignored in a future release. iptables v1.4.10: can't initialize iptables table `NAT': Table does not exist (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded. xxx:~# uname -a Linux xxx.server4you.net 2.6.38-2-amd64 #1 SMP Tue Mar 29 16:45:36 UTC 2011 x86_64 GNU/Linux 以前的内核是2.6.32，iptables 1.4.2，问题是一样的。 当前的内核是从源手动构build的。
这是区分大小写的。
它应该是
iptables -t nat -A PREROUTING -d xxx.xxx.xxx.xxx -j DNAT – 到目的地10.0.1.2