修改 /etc/sysconfig/iptables
# 10.12.1.222:9011 => 10.12.1.86:24800
*nat
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A PREROUTING -p tcp -m tcp --dport 9011 -j DNAT --to-destination 10.12.1.86:24800
-A POSTROUTING -p tcp -m tcp --dport 24800 -d 10.12.1.86 -j SNAT --to-source 10.12.1.222
COMMIT
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -j ACCEPT
-A FORWARD -j ACCEPT
-A OUTPUT -j ACCEPT
COMMIT
修改 /etc/sysctl.conf
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p