Well, so I'm on Leopard. I've decided to Install SSH on Applle TV, using instruction on the Internet. So, just one remark here. Do not use sshd file which is in /usr/sbin/. Use sshd from Tiger. You can find it easily. I was dealing with it whole day, finding a solution, but always ended up with "connection closed by remote host". I don't know what was the problem, but here's the solution.

thanks for the info