Есть Debian Etch. Настроил на нем комбинацию FreeNibs+FreeRadius. Установил pptpd в качестве VPN сервера. Но пользователи не авторизуются, т.е. через radtest соединение проходит успешно, а при авторизации через VPN клиенту сообщается что неверные логин и пароль. Подскажите как быть?

вот логи
системный:
Apr  5 18:07:59 localhost pppd[3294]: Plugin radius.so loaded.
Apr  5 18:07:59 localhost pppd[3294]: RADIUS plugin initialized.
Apr  5 18:07:59 localhost pppd[3294]: Plugin radattr.so loaded.
Apr  5 18:07:59 localhost pppd[3294]: RADATTR plugin initialized.
Apr  5 18:07:59 localhost pppd[3294]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Apr  5 18:07:59 localhost pppd[3294]: pppd 2.4.4 started by root, uid 0
Apr  5 18:07:59 localhost pppd[3294]: Using interface ppp0
Apr  5 18:07:59 localhost pppd[3294]: Connect: ppp0 <--> /dev/pts/2
Apr  5 18:07:59 localhost pppd[3294]: rc_avpair_gen: received unknown attribute 85 of length 4: 0x0000003C
Apr  5 18:07:59 localhost pppd[3294]: Peer alex failed CHAP authentication
Apr  5 18:07:59 localhost pppd[3294]: Connection terminated.
Apr  5 18:07:59 localhost pppd[3294]: Exit.

радиуса:
Sat Apr  5 18:05:12 2008 : Auth: Login OK: [alex/123456] (from client localhost port 1812)
Sat Apr  5 18:05:12 2008 : Auth: rlm_nibs (rlm_nibs_postauth): User `alex' login OK [255.255.255.255:1812]
Sat Apr  5 18:07:10 2008 : Info: Using deprecated naslist file.  Support for this will go away soon.
Sat Apr  5 18:07:10 2008 : Info: rlm_exec: Wait=yes but no output defined. Did you mean output=none?
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs (rlm_nibs_instantiate): Driver rlm_nibs_mysql (module rlm_nibs_mysql) loaded and linked
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs (rlm_nibs_instantiate): Attempting to connect to freenibs@localhost:3306/freenibs
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #0
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #1
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #2
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #3
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #4
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #5
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #6
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #7
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #8
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #9
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #10
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #11
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #12
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #13
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #14
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs_mysql: Starting connect to MySQL server for #15
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs (nibs_init): Initializing main structures `freenibs'
Sat Apr  5 18:07:10 2008 : Info: rlm_nibs (nibs_init): Initializing group table `packets' done. Found 1 groups
Sat Apr  5 18:07:10 2008 : Info: rlm_anibs (sql_init_prices): No prices configured
Sat Apr  5 18:07:10 2008 : Info: Ready to process requests.
Sat Apr  5 18:07:14 2008 : Auth: Login OK: [alex/123456] (from client localhost port 1812)
Sat Apr  5 18:07:14 2008 : Auth: rlm_nibs (rlm_nibs_postauth): User `alex' login OK [255.255.255.255:1812]
Sat Apr  5 18:07:42 2008 : Auth: Login OK: [alex/<no User-Password attribute>] (from client localhost port 0 cli 192.168.104.5)
Sat Apr  5 18:07:42 2008 : Auth: rlm_nibs (rlm_nibs_postauth): User `alex' login OK [127.0.0.1:0] |192.168.104.5|
Sat Apr  5 18:07:59 2008 : Auth: Login OK: [alex/<no User-Password attribute>] (from client localhost port 0 cli 192.168.104.5)
Sat Apr  5 18:07:59 2008 : Auth: rlm_nibs (rlm_nibs_postauth): User `alex' login OK [127.0.0.1:0] |192.168.104.5|