Note This issue is documented in Request For Comment (RFC) 1867, "Form-based File Upload in HTML."
For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
- Start Registry Editor (Regedt32.exe).
- Locate and then click the following registry key:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- On the Edit menu, click Add Value, and then add the following registry value:Value name: SocketSendBufferLengthBuffer size value options:
Data type: REG_DWORD
Value data: Buffer size that you want (in bytes)16-KB Buffer = 16384
24-KB Buffer = 24576
32-KB Buffer = 32768
40-KB Buffer = 40960
48-KB Buffer = 49152
56-KB Buffer = 57344
64-KB Buffer = 65536
Note Buffers sizes larger than those specified here are not supported by Microsoft.
- Quit Registry Editor.
For additional information about the HTTPSendRequest function, visit the following MSDN Web site:
For additional information about Winsock Send Buffer behavior, click the article number below to view the article in the Microsoft Knowledge Base:
Article ID: 329781 - Last Review: Feb 20, 2009 - Revision: 1