can i move my attachment file to other server (ftp)?

[fariborz khan]

hi to every one who has read this post:
can i store my attachment in to another site?
or how can i attach or link a file from my other server that other site can not link to that file .in another hand how can i link to my file host server from ONLY my vb forum and other vb forum cannot linke to that file and leech my file server?
in other hand ...i have two server 1.hosted my forum 2.hosted my file site, how can i cominucate between two site (or two server) ,file site and vb forum site.(i want use two site like a one site tat store forum and file sapreatly)
i wesh that i explean my problem completely and clearly.
i must say that i use vb 3.7 beta 3

i send this quesion in vb.com too. please not told me this ,if you any idea that not have need to mod please send there.
thanks a lot for your help.
all the best
f.khan