[Samba] password case sensitivity

=?BIG5?B?qMy6v7/f?= imacat at mail.imacat.idv.tw
Sun Jul 21 12:07:02 GMT 2002

Dear all,

    I have a problem regarding to password case sensitivity.

    Our company's servers are configured to use plain text passwords
with PAM due to historical reasons.  My collegues encountered a long
delay each time they boot their PC and map the network shared disks. 
They sometimes even failed connection.  The server always says:

Jul 18 17:54:37 atlas PAM_pwdb[30192]: authentication failure; (uid=0)
-> imacat for samba service


Jul 18 17:59:52 atlas samba(pam_unix)[30197]: authentication failure;
logname= uid=0 euid=0 tty=samba ruser=
rhost=streetwalker.pristine.com.tw  user=imacat

    After several days of debugging, I found that the server had
received the password for 3 times: The client sent an upper-cased
version of the password and failed twice, and then the untouched password
(which is correct and successful).

    I guess it's the historical compatibility reason that Windows 98
does so.  I can try the "password level", though, but it can't fix the
delay (and maybe timeout) problem.

    Since it will send the untouched password at last, is there a way to
tell Windows 98 clients to send the untouched password first?  Is there
a possible way to modify some registry entries on this?  Or, should I
turn to encrypted passwords and make the hard way instead?

    I'm using samba 2.2.5 with linux 2.4.18, Red Hat 7.3, glibc 2.2.5,
pam 0.75, clients Windows 98 SE.

Best regards,
imacat ^_*'
imacat at mail.imacat.idv.tw
PGP Key: http://www.imacat.idv.tw/me/pgpkey.txt

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