anonymous logon in security event viewer

's Computer Specifications

Network-WAN, several servers are auditing successful and
denied logon. In the event viewer under securities, there
are several instances of successful anonymous logon with
event id 538 at all hours of the day and night.

What may be causing this anonymous login when our
firewall prohibits anonymous logon.

's Computer Specifications

Are you running IIS with intranet/internet websites allowing anonymous
connections?

"Kendall" <(E-Mail Removed)> wrote in message
news:010301c3627e$e41a0e20$(E-Mail Removed)...
> Network-WAN, several servers are auditing successful and
> denied logon. In the event viewer under securities, there
> are several instances of successful anonymous logon with
> event id 538 at all hours of the day and night.
>
> What may be causing this anonymous login when our
> firewall prohibits anonymous logon.
>

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