It is a wild guess, but can you try restart the nscd daemon and see if the problem still exists. > Hi, > > We're having a bit of a problem here at work and I can't seem to find a > solution. > > Problem is: > Whenever a user changes password in our ldap he/she is able to login > with both the old and the new password on some servers, even though > theres is only one user entry in ldap. > > It seems PAM or maybe LDAP stores a session with the old authentication > so for a unknown amount of time (at least a week or till server reboot) > the user can login with the old password. > > We have a lot of servers and it only seem to be a problem on RedHat > Fedora 4. I can't reproduce the problem on RH Fedora 8. > > The RH4 PAM system-auth looks like this: > auth required pam_env.so > auth sufficient pam_unix.so nullok try_first_pass nodelay > auth requisite pam_succeed_if.so uid >= 500 quiet > auth sufficient pam_ldap.so use_first_pass debug > auth required pam_deny.so > > account required pam_unix.so broken_shadow > account sufficient pam_localuser.so > account sufficient pam_succeed_if.so uid < 500 quiet > account [default=bad success=ok user_unknown=ignore] pam_ldap.so > account required pam_permit.so > > password requisite pam_cracklib.so try_first_pass retry=3 > password sufficient pam_unix.so md5 shadow nullok try_first_pass > use_authtok > password sufficient pam_ldap.so use_authtok > password required pam_deny.so > > #session optional pam_keyinit.so revoke > session required pam_limits.so > session [success=1 default=ignore] pam_succeed_if.so service in > crond quiet use_uid > session required pam_unix.so > session optional pam_ldap.so > > Is there anyone who got any idea on why this is happening? It's quite > the security problem :( > > Thanks > --- Frank Nørvig > http://www.noervig.dk > > _______________________________________________ > Pam-list mailing list > Pam-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/pam-list _______________________________________________ Pam-list mailing list Pam-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/pam-list