RE: Secure Ldap call not working due to IUSR/IWAM permissions?

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From: "Turner, Keith (Contractor)" <Keith.Turner@tea.army.mil>
To: 'Tony Gordon' <tony.gordon@hewitt.com>
Date: Wed, 5 Feb 2003 13:44:56 -0500 

Thanks Tony! That hotfix did the trick.
  I'm assuming that some of the settings I changed before installing sp3 is
what lead to this problem. I have other machines I have configured the same
way, but they were postsp3 - so the configuration changes were done after
sp3 was installed.

Keith

-----Original Message-----
From: Tony Gordon [mailto:tony.gordon@hewitt.com]
Sent: Monday, February 03, 2003 5:32 PM
To: Turner, Keith (Contractor)
Cc: focus-ms@securityfocus.com
Subject: Re: Secure Ldap call not working due to IUSR/IWAM permissions?

If this is W2K with SP3 take a look at
http://support.microsoft.com/default.aspx?scid=kb;en-us;329405. MS
changed some security stuff after which users who are not admins cannot
resolve names. The fix worked for us.

Thank you, Tony.
Tony Gordon, Windows 2000 MCSE
tony.gordon@hewitt.com
Windows Server Infrastructure
Phone: 847.295.5000 x14534
Fax: 847.295.8877
Hewitt Associates

"Turner, Keith (Contractor)" <Keith.Turner@tea.army.mil>
01/31/2003 12:33 PM

 
        To: focus-ms@securityfocus.com
        cc:
        Subject: Secure Ldap call not working due to IUSR/IWAM
permissions?

I am trying to get LDAP working so that I can authenticate web users
against
an iPlanet directory server. There appears to be something on the machine
which prevents IUSER or IWAM from making the LDAP call. My best guess is
that something which was done during server "hardening" is preventing this
from working. When using network monitor, I see that no packets are placed
on the network. I have enabled auditing for global system objects and it
does show audit failures when the LDAP call fails. I have used FileMon and
RegMon (sysinternals) to watch for file or registry failures, but none
showed up.

 There about 20 fails for each LDAP attempt, but there are only two unique
events

1) id 595
Indirect access to an object has been obtained
object type: port
object name: \RPC Control\DNSResolver
Accesses: Communicate using port

2) id 560
Object name: \Device\NetBT_Tcpip_{alphanumeric string}
Accesses: Synchronize, ReadData, WriteData

If I replace the hostname in the opendsobject call with the ip address,
the
call makes it to the server (can see it in network monitor), but then
fails.
I assume it is failing because the ip address doesn't match the hostname
provided in the SSL certificate. If I place the IUSR/IWAM accounts in the
local admin group, everything works properly (calling the directory server
by hostname). The error always occurs on this line of the asp file :
Set oContainer = oLDAP.OpenDSObject(Server & dnUserName, dnUserName,
sPassWord, 2)

Anyone have any ideas?
Thanks, Keith

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