Browser limits the size of file uploads

　　

Today in the assessment process has a long knowledge, the previous version of the browser will limit the file upload size of 2G, but now the browser relaxed. Other plug-ins will detect the size of the selected files and empty files, the use of File upload control can effectively solve these problems, the empty files and files too large to filter.

1, in IE, Opera, Google Browser is not allowed to upload more than 2G of files, HTTP header it will be the size of the file marked as a negative, so it will be easy to intercept the antivirus software, mistakenly considered a malicious attack, But in Firefox and Safari browser is more than 2G file upload, if the computer memory is small, it is also easy to cause the browser hangs dead (memory overflow) situation
2, if the request sent by anti-virus software interception, the server can not obtain the user's request, also can not feedback the size of the file, the way to avoid is to turn off antivirus software

Browser limits the size of file uploads