почему юзер из Виндов не может законнектиться?

Вот что он пишет в логах, помогите, а то уже вторую неделю не могу понять, где у меня ошибка?

Sep 7 18:00:39 mather mgetty[607]: data dev=ttyS2, pid=607, caller='none',
conn='19200/ARQ/V34/LAPM/V42BIS', name='', cmd='/usr/sbin/pppd', user='/AutoPPP/'
Sep 7 18:00:39 mather modprobe: can't locate module ppp0
Sep 7 18:00:39 mather kernel: registered device ppp0
Sep 7 18:00:39 mather pppd[607]: pppd 2.3.11 started by a_ppp, uid 0
Sep 7 18:00:39 mather kernel: ppp_ioctl: set dbg flags to 70000
Sep 7 18:00:39 mather kernel: ppp_ioctl: set flags to 70000
Sep 7 18:00:39 mather kernel: ppp_tty_ioctl: set xasyncmap
Sep 7 18:00:39 mather pppd[607]: Using interface ppp0
Sep 7 18:00:39 mather pppd[607]: Connect: ppp0 <--> /dev/ttyS2
Sep 7 18:00:39 mather kernel: ppp_tty_ioctl: set xmit asyncmap ffffffff
Sep 7 18:00:39 mather kernel: ppp_ioctl: set flags to 70000
Sep 7 18:00:39 mather kernel: ppp_ioctl: set mru to 5dc
Sep 7 18:00:39 mather kernel: ppp_tty_ioctl: set rcv asyncmap ffffffff
Sep 7 18:00:42 mather kernel: ppp_tty_ioctl: set xmit asyncmap a0000
Sep 7 18:00:42 mather kernel: ppp_ioctl: set flags to f070003
Sep 7 18:00:42 mather kernel: ppp_ioctl: set mru to 5dc
Sep 7 18:00:42 mather kernel: ppp_tty_ioctl: set rcv asyncmap 0
Sep 7 18:00:42 mather PAM_pwdb[607]: (ppp) session opened for user Sslip_user by (uid=0)
Sep 7 18:00:42 mather pppd[607]: user Sslip_user logged in
Sep 7 18:00:42 mather kernel: ppp_ioctl: set flags to f070043
Sep 7 18:00:42 mather kernel: PPP BSD Compression module registered
Sep 7 18:00:42 mather kernel: PPP Deflate Compression module registered
Sep 7 18:00:43 mather kernel: ppp_ioctl: set flags to f070003
Sep 7 18:00:43 mather pppd[607]: LCP terminated by peer
Sep 7 18:00:43 mather kernel: ppp_ioctl: set flags to f070003
Sep 7 18:00:43 mather kernel: ppp_tty_ioctl: set xmit asyncmap ffffffff
Sep 7 18:00:43 mather kernel: ppp_ioctl: set flags to f070000
Sep 7 18:00:43 mather kernel: ppp_ioctl: set mru to 5dc
Sep 7 18:00:43 mather kernel: ppp_tty_ioctl: set rcv asyncmap 0
Sep 7 18:00:43 mather kernel: ppp: channel ppp0 closing.
Sep 7 18:00:43 mather pppd[607]: Hangup (SIGHUP)
Sep 7 18:00:43 mather pppd[607]: Modem hangup
Sep 7 18:00:43 mather PAM_pwdb[607]: (ppp) session closed for user Sslip_user
Sep 7 18:00:43 mather pppd[607]: Connection terminated.
Sep 7 18:00:43 mather pppd[607]: Connect time 0.1 minutes.
Sep 7 18:00:43 mather pppd[607]: Sent 322 bytes, received 330 bytes.
Sep 7 18:00:43 mather pppd[607]: Exit.