When setting up the rules for m0n0 I first did a inbound NAT TCP 80 (HTTP) 192.138.10.2 80 (HTTP)
web server and I selected create rule automatically. Now when I look at the rule I see: 
TCP 	* 	* 	192.138.10.2	80 (HTTP) 	NAT web server. 

I've been using Smoothwall Exress for the past few years and when creating a rule you start with
protocol then source port etc. and the rule would look like this:
TCP 	ALL 	80 (HTTP)  192.138.10.2 	80 (HTTP)


My question is; should the source port not be set to 80 (HTTP) as well and if not doesn't that rule
leave the WAN open to everything?

Peter