#21231: Limiting the number of variables and files that a POST request can
contain
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Reporter: epandurski@… | Owner: nobody
Type: New feature | Status: new
Component: HTTP handling | Version: master
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by apollo13):
Replying to [comment:20 epandurski@…]:
> 1) LimitRequestBody's context is "server config".
"FORM_DATA_MAX_FIELDS_TOTAL_LENGTH" is specific to the web-application.
There might be many different applications running on one server, doing
different CPU/memory intensive stuff.
`LimitRequestBody` can be set per file/location/vhost etc, so that
wouldn't count
> 2) FORM_DATA_MAX_FIELDS_TOTAL_LENGTH is only about "application/x-www-
form-urlencoded" and "multipart/form-data" MIME types, which I believe are
the only MIME types which content django may decide to load into memory
(is that correct?). Notice that somebody may want to allow POST-ing other
MIME-types of big data, and yet have his/her django web-application
protected from DoS attacks.
I might be wrong here: But if my app allows file uploads and I set this
value to be equivalent to 1GB (I have big files ;)) I could still easily
DOS the server; in my opinion it would make more sense if that would limit
post data excluding file data.
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Ticket URL: <https://code.djangoproject.com/ticket/21231#comment:21>
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