ZIP files should be binary files and are routinely transferred by FTP that way.
Transferring a ZIP as an ASCII file will corrupt them.

I need to do some tests with ZIP files, but I suspect this is similar to [CURL BUG 758](https://sourceforge.net/p/curl/bugs/758/), in this case the ZIP file format is not set to STREAM_LF for some reason so that an incorrect upload size is calculated.

The protocol for FTP STRU support of VMS attributes appears to be implemented in the open source CKERMIT and the MAD GOAT FTP product, and the HG FTP product which is the successor to HG FTP. In that case the FTP client detects that the server is VMS and transfers the VMS files always as a binary file, but then sets the VMS specific record attributes so that the file structure on the server matches the client.

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** [bugs:#496] Can not upload a zip file in OpenVMS**
**Status:** closed-later
**Labels:** ftp 
**Created:** Thu Mar 03, 2005 11:17 PM UTC by Anonymous
**Last Updated:** Fri Jun 21, 2013 01:43 PM UTC
**Owner:** Daniel Stenberg
Hi there,
I have tried to upload a zip file with the following 
command and always received a 'Uploaded unaligned 
file size' error and the zip file is just partially uploaded to 
ther server
curl -v -u user:password --upload-file myfile.zip 
ftp://myftpserver
I tried to use the same option to upload a binary file 
\(e.g. wordpad.exe\) or a text file, it all worked fine. 
The Curl I am using was download from the link "VMS 
Alpha  7.13.0 binary  Marty Kuhrt 1777 KB " and I am 
using OpenVMS here.
I also tested the windows version of Curl and the zip file 
can be uploaded without any problems. 
By the way, if I add the -crlf option, the zip file then can 
be uploaded without the error, but the file size is 
increased by a coulpe of bytes and I can't use winzip to 
open it as it said the file is not in the right format.
Any ideas why this would happen?
Thanks
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