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From Dirk van Deun <>
Subject Re: [users@httpd] AuthLDAPInitialBindAsUser etc.
Date Mon, 08 May 2017 13:08:05 GMT
> On Mon, May 8, 2017 at 4:11 AM, Dirk van Deun <> wrote:
> > However, if the user types a user name but no password, this is
> > in effect still an attempt to use unauthenticated bind, which fails,
> > and the user gets an Internal Server Error; and even worse is that
> > reloading the page immediately gives a new Internal Server Error.  The
> > user has to close the browser and restart it before trying again.
> Sounds like it may just be a bug. What message accompanies it?
> -- 

On screen:

Internal Server Error

The server encountered an internal error or misconfiguration and was
unable to complete your request.

Please contact the server administrator at to inform
them of the time this error occurred, and the actions you performed
just before this error.

More information about this error may be available in the server error

In the logs (with LDAPLibraryDebug 7):

** ld 0x564925782930 Outstanding Requests:
 * msgid 1,  origid 1, status InProgress
   outstanding referrals 0, parent count 0
  ld 0x564925782930 request count 1 (abandoned 0)
** ld 0x564925782930 Response Queue:
  ld 0x564925782930 response count 0
ldap_chkResponseList ld 0x564925782930 msgid 1 all 0
ldap_chkResponseList returns ld 0x564925782930 NULL
read1msg: ld 0x564925782930 msgid 1 all 0
read1msg: ld 0x564925782930 msgid 1 message type bind
read1msg: ld 0x564925782930 0 new referrals
read1msg:  mark request completed, ld 0x564925782930 msgid 1
request done: ld 0x564925782930 msgid 1
res_errno: 53, res_error: <unauthenticated bind (DN with no password) disallowed>, res_matched:
ldap_free_request (origid 1, msgid 1)
ldap_free_connection 1 1
TLS trace: SSL3 alert write:warning:close notify
ldap_free_connection: actually freed


Dirk van Deun
Ceterum censeo Redmond delendum

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