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. -- Rgds JTD -- http://mm.glug-bom.org/mailman/listinfo/linuxers

