Macpro - Ethernetcable - Airport Extreme

[Torus Biglane]

this is my setup

MBP
10.6.2
Airport card

MacPro
10.5.8
Ethernet Cable

Airport Extreme base

i can login from MBP into MP
can't login from MP into MBP

but i can use the screensharing util on the MP to open the screen of the MBP

i have no idea how i can loose this problem to login from the macpro

thx in advance

[apfhex]

Login to what? Do you have file sharing turned on on the MBP?

[Torus Biglane]

i want to be able to share files from MP with my MBP
file sharing is on