On Monday 11 October 2010 11:56:37 Arun Khan wrote:
I have few public IP's ..I don't have modem...My proxy configured as transparent with two ethernet cards. If i apply DNAT rule then i can access the vsftpd system locally with public ip.but i can't access the system on lan..
The rule applied as follows --
#iptables -t nat -A PREROUTING -d 118.x.x.x -j DNAT --to 192.y.y.y
this 118.x.x.x is no where assigned in the network so where should i apply port forwarding if no ethernet card available for that ip.
An ip is assigned (finally) to a physical device with a mac. You may configure virtual devices with an IP. But they must finally be tied to a physical device with a mac.
Please see [1]. Your ISP must have installed some kind of
He could be the ISP.
box on your premise that converts the media from cable/ DSL / leased line / to Ethernet frames to connect to your LAN. You need to read the docs on that device and/or talk to the support guys @ your ISP. Your 118.x.x.x is most likely assigned to that box.
i am struggling on this issue since 5 days.
[1] I would strongly advice you to learn the basics of network topology in a visual form.
Foe whatever he is trying to do, he needs to know a lot more than the basics, else he will be owned.