Many client with same IP

Pedro Drimel pedrodrimel at uol.com.br
Fri Nov 18 11:38:12 CET 2005


Hi all,
 
I need to do a configuration in a server that I don't know if is possible.
 
The clients connect to the server under ssh to access the database, I need that some clients connect under only one IP, because the database count only one license for four IPs. The first thing that I tought was to take a machine and do it a gateway and the clients of local network connect to the server thgouth this new server and in this new server will be a SNAT, well OK with a sub network but I thinked that this could be possible using iptables on the server that run the databse (the server ever is linux). The clients use putty with Windows XP.
 
Firstly I configured another IP on the network device:
ifconfig eth0:0 10.0.0.10 netmask 255.255.255.0
then I did this rule:
iptables -t nat -A POSTROUTING -s 10.0.0.20 -j SNAT --to 10.0.0.10
 
10.0.0.20 is the IP of the client
10.0.0.10 is the IP of "logic" network device
 
but it did not function... I tried this rule with the IP of eth0 (10.0.0.9) but eighter did not function...
 
Sorry for my bad english...
 
Best Regards.




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