On Thursday 13 October 2005 7:04 pm, Rodolfo Alcazar wrote: > > ifconfig eth1:1 x.y.z.141 netmask 255.255.255.248 > ifconfig eth1:2 x.y.z.142 netmask 255.255.255.248 > ifconfig eth1:3 x.y.z.143 netmask 255.255.255.248 I already had this bit > > now, the incoming tables: > > -A PREROUTING -d x.y.z.141 -j DNAT --to-destination 10.1.1.141 > -A PREROUTING -d x.y.z.142 -j DNAT --to-destination 10.1.1.142 > -A PREROUTING -d x.y.z.143 -j DNAT --to-destination 10.1.1.143 and this bit > > same for outgoing, > > -A POSTROUTING -s 10.1.1.141 -j SNAT --to-source x.y.z.141 > -A POSTROUTING -s 10.1.1.142 -j SNAT --to-source x.y.z.142 > -A POSTROUTING -s 10.1.1.143 -j SNAT --to-source x.y.z.143 > That'sthe bit that was missing, thanks > cheers This works perfectly when I have a Linux box on the outside and another linux box on the inside - they both present and see the IP addresses as I need. However, this setup is for a remotely monitored CCTV system, which then failed when I then tried it. Anyone any ideas how I can sort this. I'm thinking of how I can add logging to the above rules to see what is and therefore also what isn't happening. -- Gary Stainburn This email does not contain private or confidential material as it may be snooped on by interested government parties for unknown and undisclosed purposes - Regulation of Investigatory Powers Act, 2000
