On Tue, Sep 1, 2009 at 6:58 AM, Geurts,
G.P.T.M.<g.p.t.m.geurts@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Hello list,
> I'm working on customised logging for our http servers, one thing I was
> unable to find information about is the %{FOOBAR}n option for LogFormat. The
> documentation says it's the contense of note FOOBAR from another module….
> But what is that exacly and wich modules contain notes? And why could that
> be interesting to log? Why not open the note of the module if you want to
> know it?
Example: The core sets %{error-notes}n with some extended error info
during some error responses (sometimes the same additional info passed
in the error response). This might help you differentiate between a
few different type of 400 responses.
AuthBasicProvider stashes the name of the module that handled
authentication in a note called "authn_provider_name".
"Why not open it"? I don't think this makes any sense. Modules post
these notes to whoever might want to view them (logging, or passing
messages between modules/phases).
> I'm probably completely misunderstanding the use of %n, but this is what I
> could make from it myself…
> So if somebody could enlighten me, I would be very thankful.
If you're not working on a module that documents adding some note that
night be of interest, you wouldn't be logging it.
--
Eric Covener
covener@xxxxxxxxx
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