hello everybody..
i have made a linux webserver, and in mikrotik in firewall natm i have addedd
chain:dstnat, src-address:his ipxxx , Protocol:Tcp, action:dst-nat, To addresses:webserver ip, to ports:0-65535..
i dont know if this is enaugh, but im not sure that the customer cannot work in internet, because i wanna block his internet completly..