Forward TCP from a specific LAN IP

Hi,

My one lan card is set with two ip adr.

IP 1: 192.168.2.2
IP2: 192.168.2.3

Server1: 192.168.2.4

Server1 will go online through IP2 and capture des. Port 80 equipped rear only answer if i come from IP2.

How do I make a rule that can handle this?