Rebuilding steering rack (4WS)

I’m busy rebuilding the steering rack of the car, but I’m confused on 1 point:
does anybody know in which direction the inner seal of the damper needs to be placed, is it with closed ring facing outside the damper or has it to be facing innerside steering rack? I ask because the manual nor the rebuilding page on different websites don’t mention this.
In attach a picture of the damper, the inner seal is hidden behind the seal with the yellow ring: