[squid-users] Basic Pam authentification problem with on mandrake 9.0

 I have an understanding problem with squid-2.4 on red Hat 9.0. My settings are:

 For squid authentification:

    authenticate_program /usr/lib/squid/pam_auth
    authenticate_children 25
    authenticate_ttl 1 hour
    authenticate_ip_ttl 7200 seconds
    authenticate_ip_ttl_is_strict on
    acl localnet1 src 192.168.20.0/255.255.255.0
    acl abonnes proxy_auth REQUIRED
    http_access allow localnet1 abonnes
    http_access deny all

For Pam(/etc/pam.d/squid):

    auth required /lib/security/pam_stack.so service=system-auth
    account required /lib/security/pam_stack.so service=system-auth

But some unix accounts authentication succeeded while others failed. More if i
do the test on the server with /usr/lib/squid/pam_auth the problem is the same.
This version(squid-2.4.STABLE7-2mdk) does it have a problem with Mandrake 9.0?
What can i do?
Please HELP.

--
"Heureux ceux qui sont conscients de leur pauvreté spirituelle." - Mat 5:3(Les
Saintes Ecritures - Traduction du monde nouveau
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