Dear Amos, Thank you for you support. But any way to remove pre- authendication for only squid computer one registered in windows 2003 domain. ----- Original Message ---- From: Amos Jeffries <squid3@xxxxxxxxxxxxx> To: squid-users@xxxxxxxxxxxxxxx Sent: Wed, March 9, 2011 1:21:08 PM Subject: Re: possible to deactivate pre-authentification on the Linux (or windows)- Please help On 09/03/11 18:34, Sharik M wrote: > Dear Friend, > > > Is it possible to deactivate pre-authentification on the Linux (or > > Windows) side to avoid these messages ? > > Becouse i am getting lot of erro in windows 2003 domain. > > Hi, > > When validating users on my Linux system against an ActiveDirectory, > the Windows event log are filled with messages like these (Windows > Event ID 675): > > Pre-authentication failed: > User Name: linux$ > User ID: KK\linux$ > Service Name: krbtgt/KK.LOCAL > Pre-Authentication Type: 0x0 > Failure Code: 0x19 > Client Address: 1.2.3.4 > > > (1.2.3.4 is the IP address of the Linux machine, LINUX the hostname of > the Linux machine). > > The message above comes at every request from the Linux machine (every 5 > minutes on this installation). If I am validating a user, the same > message is shown for the user like this (user name validated=test): > > Pre-authentication failed: > User Name: test$ > User ID: KK\test$ > Service Name: krbtgt/KK.LOCAL > Pre-Authentication Type: 0x0 > Failure Code: 0x19 > Client Address: 1.2.3.4 > > Messages logged on behalf of a user may be disabled by deactivating > pre-authentification for each user. But I cannot find any place in > ActiveDirectory to disable it for the machine account. > > What is missing ? > > Is it possible to deactivate pre-authentification on the Linux (or > Windows) side to avoid these messages ? "pre-authentication" refers to NTLM or Kerberos. See the other thread you opened for the answer. Amos -- Please be using Current Stable Squid 2.7.STABLE9 or 3.1.11 Beta testers wanted for 3.2.0.5