Trying to open a port

[Rhys Ap Mihangel]

Hi,

I'm trying to open port 9001 on my gateway machine for a tor relay. I've been 
trying different combinations for some time now only to have syntax errors, etc 
on pfctl -nvf /etc/pf.conf. Why am I finding it so difficult?

I would expect simple statements like this to just work 

pass in on (egress) to (egress) port 9001 

pass in on (rl0) to (rl0) port 9001


thanks 

rhys