Iptables routing forwarding, forwarding one server's IP to another server (Remote program protection)

"1"

/sbin/iptables-i input-s 45.61.255.176-j ACCEPT
/sbin/iptables-i input-d 45.61.255.176-j ACCEPT
/sbin/iptables-i input-s 23.27.6.15-j ACCEPT
/sbin/iptables-i input-d 23.27.6.15-j ACCEPT
/sbin/iptables-t nat-i prerouting-d 23.27.6.15-j DNAT--to-destination 45.61.255.17610
/sbin/iptables-t nat-i postrouting-d 45.61.255.176-j SNAT--to-source 23.27.6.15
/sbin/iptables-t nat-i postrouting-s 45.61.255.176-j SNAT--to-source 23.27.6.15

"2" Modified/etc/sysctl.conf file

# Controls IP Packet forwarding

Net.ipv4.ip_forward = 1

Modify the configuration file to take effect with sysctl-p

echo 1 >/proc/sys/net/ipv4/ip_forward (Temporary)

"3"

Service Iptables Save

Service Iptables Restart

This article is from the It Dick thread blog, so be sure to keep this source http://68686789.blog.51cto.com/10438688/1750617

Iptables routing forwarding, forwarding one server's IP to another server (Remote program protection)