help with iptables
 

this command will allow eevryone to get access on my lan but i want a specific address ip to have the access

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT \
--to 10.10.5.208:80
or if you can give me a better solution will be appreciated :

i have eth0 : internet 172.x.x.x
eth1 : LAN 10.x.x.x

and i want one in the exterieur to get acces on telnet and oracle port at the address 10.10.5.3

Give this a try.

iptables -t nat -A PREROUTING -i eth0 -s 10.10.5.3 -p tcp --dport 80 -j DNAT \
--to 10.10.5.208:80

Brian