This is crossposted in Stack Overflow but hasn't gotten many views, or any answers. I believe I'm in the correct forum, please don't ban me if I am not. I have a simple Perl script that uploads a file from an HTML form, and it does works. i.e Uploads a file from my local Mac HD to my web server via a webpage. When I use OneDrive from any device, through Finder, or Word, Excel, etc.. it acts like just another HD, so I expected the same behavior with my perl . What I have noticed, however, if I try to upload files from Microsoft's OneDrive I am more likely to get the following info below. I have no problems using my OneDrive via Mac's Finder, or my iPhone, etc. access.log [14/Feb/2022:23:36:51 -0500] "POST /cgi-bin/upload2.pl HTTP/1.1" 408 487 "http://example.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Safari/605.1.15" error.log [Mon Feb 14 23:37:02.121496 2022] [cgi:error] [pid 3734:tid 140367391328000] (70007)The timeout specified has expired: [client -.-.-.-:58184] AH01225: Error reading request entity data, referer: http://example.com/ My Apache2 settings are: Timeout 300 KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 5 At my slim level of knowledge of Apache, I am assuming that my problem is all about timing. If that's the case, can I change settings above to help? Or am I off base? *One small thing I noticed, but I don't know if it means anything My web browser says: "Server timeout waiting for the HTTP request from the client. and it mentions port 80." However, in the error.log it mentions port 58184. I don't know if that's normal, due to routers, other routine behavior.