Is the IUSR Account a Service Account?

user648336

1/27/24, 6:25 AM

In Windows, there is a built-in account called IUSR. IIS uses this account as the default account for Anonymous Authentication.

Anyway, my question is: is this IUSR account a service account?

In general, how can you tell if a windows account is a service account?

The reason I ask this is that there is a rule in windows for determining if an account is allowed to write to the event log. According to this rule, a service account is allowed to write to the event log. The rule is described here: https://learn.microsoft.com/en-us/troubleshoot/developer/webapps/aspnet/development/fail-write-event-log

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windows

iis

Greg Askew

1/27/24, 9:21 AM

`is this IUSR account a service account?' No. The IUSR account does not logon as a service.

Score:1

Server

Jevgenij Martynenko

1/27/24, 7:18 AM

Windows OS has special identity groups. SERVICE is one of them. So allowing or denying some permissions or rights to the SERVICE group will impact any process running as a service, regardless the user account it is run under (that user account permissions also applies though)

Service

This identity group includes all security principals that are signed in as a service. This identity grants access to processes that Windows Server services are running. Membership is controlled by the operating system

More information: https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/understand-special-identities-groups

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Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: Is the IUSR Account a Service Account?

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