Anonymous Logon 540

Anonymous Logon 540

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Subject Author Date
Anonymous Logon 540 AJang 08-10-2005
Posted by =?Utf-8?B?QUphbmc=?= on August 10, 2005, 6:02 am
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In my computer's security log, I found event with event ID 540 and Anonymous
Logon.
But in my computer, the guest account is disable; Net Logon service is not
enable.
Is this a security problem in my computer ?

Any comment is highly appreciated.



Posted by Steven L Umbach on August 10, 2005, 9:15 pm
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If you have a properly configured firewall protecting your network from the
internet then most likely you do not have a problem. The anonymous logons
are "null sessions" that the operating system uses for various functions
with the most used one being the maintenance of the browse list that you see
in My network Places. If you do not need to share files/printers on your
computer or access other network computer shares/printers you can disable
file and print sharing, Client for Microsoft Networks, and netbios over
tcp/ip and you probably will see those anonymous logon events disappear.
The KB article in the link below explains some of the uses of these
anonymous connections and how to restrict them in Windows 2000 on computers
that need to share and access shares though warning message needs to be
heeded as to the consequences of restricting anonymous access. --- Steve

http://support.microsoft.com/?kbid=246261

> In my computer's security log, I found event with event ID 540 and
> Anonymous
> Logon.
> But in my computer, the guest account is disable; Net Logon service is not
> enable.
> Is this a security problem in my computer ?
>
> Any comment is highly appreciated.
>
>



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