[ACCEPTED]-Rails file upload size limit-mod-rails

Accepted answer

Score: 21

Or if you're using nginx with passenger, add 1 in the server block:

server {
  client_max_body_size 100M;
}

http://wiki.nginx.org/NginxHttpCoreModule#client_max_body_size

Score: 10

You may cap the upload size via Apache using 1 the LimitRequestBody directive:

<Directory "/var/www">
    LimitRequestBody 1024
</Directory>

http://httpd.apache.org/docs/1.3/mod/core.html#limitrequestbody

Score: 7

You can use following javascript to notify 6 user that the selected file exceeds maximum 5 limit. But still its essential to have server 4 side validation.

$('#id_of_input_file_field').change(function() {
  if(this.files[0].size > MAX_LIMIT_FOR_FILE){
    $('#id_of_input_file_field').val(''); 
    alert('File exceeds maximum size limit ')
}
});

MAX_LIMIT_FOR_FILE is in 3 byte so if you want set max limit of 1Mb 2 then value of MAX_LIMIT_FOR_FILE should 1 be 1048576

Source: stackoverflow.com

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