[tbnl-devel] Re: large file uploads

Luke J Crook luke at balooga.com
Fri May 12 02:01:08 UTC 2006


Zach Beane wrote:
> On Wed, May 03, 2006 at 05:32:26PM +0200, Edi Weitz wrote:

> Yes, though not an intentional DoS. My application accepts image files
> and only processes files of a reasonable size. Allowing uploads of
> very large files only to reject them later in the process consumes
> CPU, bandwidth, and memory that could be used elsewhere.

Could you use Javascript on the client to check the file size before 
allowing the upload?

Something like the following:

http://www.cs.tut.fi/~jkorpela/forms/file.html#restr


-Luke





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