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Maximum size of data that can be transfered over http

Posted on 2009-04-06
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Hi,

I want to know maximum data size that can be transferred over HTTP. I have a PHP application running on APACHE. I am using XML data format as a form of communication between server and browser. I want information whether there is any size limit for XML data to be transferred over internet?
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Question by:teenashah
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NicksonKoh earned 1500 total points
ID: 24075200
This is what I got from Apache website (http://httpd.apache.org/docs/1.3/mod/core.html)

LimitRequestBody directive

Syntax: LimitRequestBody bytes
Default: LimitRequestBody 0
Context: server config, virtual host, directory, .htaccess
Status: core
Compatibility: LimitRequestBody is only available in Apache 1.3.2 and later.
This directive specifies the number of bytes from 0 (meaning unlimited) to 2147483647 (2GB) that are allowed in a request body.

The LimitRequestBody directive allows the user to set a limit on the allowed size of an HTTP request message body within the context in which the directive is given (server, per-directory, per-file or per-location). If the client request exceeds that limit, the server will return an error response instead of servicing the request. The size of a normal request message body will vary greatly depending on the nature of the resource and the methods allowed on that resource. CGI scripts typically use the message body for passing form information to the server. Implementations of the PUT method will require a value at least as large as any representation that the server wishes to accept for that resource.

This directive gives the server administrator greater control over abnormal client request behavior, which may be useful for avoiding some forms of denial-of-service attacks.

If, for example, you are permitting file upload to a particular location, and wich to limit the size of the uploaded file to 100K, you might use the following directive:
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by:teenashah
ID: 24075244
This means that i can transfer XML data over HTTP with size limited to unlimited as per APACHE config. right?
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by:NicksonKoh
ID: 24075288
Yes. Just set to 0 like what it said.
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