How to prevent unloading of a minifilter

NTFSD
1

How do I prevent unloading a minifilter via the NET STOP command?

The command reaches the minifilters Unload Callback with FLTFL_FILTER_UNLOAD_MANDATORY.

If I ignore the flag (and return STATUS_FLT_DO_NOT_DETACH) the system hangs.

2

In your FLT_REGISTRATION structure you should set the flag
FLTFL_REGISTRATION_DO_NOT_SUPPORT_SERVICE_STOP in the flags.

Ben

-----Original Message-----
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Sent: 23 March 2007 09:56
To: Windows File Systems Devs Interest List
Subject: [ntfsd] How to prevent unloading of a minifilter

How do I prevent unloading a minifilter via the NET STOP command?

The command reaches the minifilters Unload Callback with
FLTFL_FILTER_UNLOAD_MANDATORY.

If I ignore the flag (and return STATUS_FLT_DO_NOT_DETACH) the system
hangs.

Questions? First check the IFS FAQ at
https://www.osronline.com/article.cfm?id=17

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3

Thank you, that helped

Ruediger