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Re: [PHP] max_file_size

Posted by Chris on 07/12/05 21:10

André Medeiros wrote:

>On Tue, 2005-07-12 at 12:38 -0400, John Nichel wrote:
>
>
>>Sebastian wrote:
>><snip>
>>
>>
>>>it doesnt seem to work on IE or Firefox.. two of the most popular
>>>browsers..
>>>this shoudn't even be in the manual then because if it doesnt work for
>>>these two browsers then i would consider it pointless to use.
>>>
>>>
>></snip>
>>
>>It may not be your browser that it's not working with...it may be your
>>system's security settings, or your firewall (if you're behind one) not
>>allowing the information thru.
>>
>>--
>>John C. Nichel
>>ÜberGeek
>>KegWorks.com
>>716.856.9675
>>john@kegworks.com
>>
>>
>>
>
>Sure, it could be that. But, in this sittuation, the error says that the
>file is too big. Even it the firewall didn't let the file go through
>(wich I doubt, because a firewall won't parse HTTP requests and make
>those checks, unless you have a request max size or something), you'd
>just get an error page saying that the request didn't go through.
>
>DO NOT trust the browsers to do something. If all of them complied 100%
>to standards, we would live in a (almost) perfect world :)
>
>
>
I'm experiencing this problem as well.

The manual seems to imply that using MAX_FILE_SIZE will enable the
browser to recognize the fact that a user is trying to upload a file
that is too large and will, therefore, be able to give the user a
warning to prevent the uploading of a file that the server will not accept.

I've found no evidence of this anywhere. A rather extensive websearch on
the subject revealed a multiude of people just rehashing what it says
in the manual, nothing original. I couldn't find documentation in any
browser that said there was any way for the browser to do this.

I did find some people saying that 'it worked' with no further
elaboration, but the pessimist in me is saying that it didn't work from
the client-side at all, just the server side, and they didn't realize it.

So, to sum up, The manual seems to imply that it can, under some
circumstances, work client-side, but I've found no other information to
support that it has worked on any browser, anywhere at anytime. I am
still looking for a client-side solution and haven't completely
discounted this yet.

By the way, I have no delusions that a client-side solution is secure,
I'm handling the security server-side. I just don't want the user to
have to upload 375 MB file over a dial-up connection, jsut to find out
that the server won't accept anything larger than 350 MB.

Chris

 

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