Hello , I have problem on my Cache Server , I upgrade to Linux 7.2 and want to use IPTable on it for Routing , NAT and Firewall, This is PRoblem on NAT , When I want to Use NAT with IPTable, and FTP to other server on internet , With the Computer using Invalid IP , I connect to Remote Server but I ca'nt see the File on Remote Directory when usinf " ls " on Remote FTP Server , I Know problem on NAT Setting over IPTable , Please Told me how to set IPTable For FTP NAT , Waiting For Reply , ------------------------- This is MY NAT Configuration on IPTable : But FTP Service Dos't Work on it , #!/bin/bash /bin/echo 1 > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -F /sbin/iptables -F # For Transparet Proxy /sbin/iptables -t nat -A PREROUTING -p tcp -s 192.168.100.0/24 --dport 80 -j REDIRECT --to-port 8080 # FOR NAT /sbin/iptables -t nat -A POSTROUTING -s 192.168.100.0/24 -j MASQUERADE -------------