sshd and X11-forward (FreeBSD)

Sorry, ne mogu pisat' po-russki s raboty.
Karaul, problema: pochemu ne rabotaet X11-forward cherez ssh?

apollo> slogin -l itz 64.194.2.117
itz@64.194.2.117's password:
Last login: Thu Jan 11 17:08:45 2001 from apollo.transacto
Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.2-STABLE (K241200) #0: Sun Dec 24 15:36:42 PST 2000
Welcome to acer.xxxxx.net

itz> xterm
X11 connection rejected because of wrong authentication at Thu Jan 11 17:09:12 2001.
Rejected connection at Thu Jan 11 17:09:12 2001: X11 connection from localhost port 2175
X connection to acer.mushinsky.net:11.0 broken (explicit kill or server shutdown).

X-11 forwarding v sshd_config i ssh_config razresheno. So storony clienta ("apollo") tozhe problem net (xterm rabotaet, cherez sshd s drugoi mashiny).