The BOINC data server is implemented using Apache or a similar web server. It is used both to upload and to download files. File download is handled by the web server, using GET operations. File upload is done by a CGI program, file_upload_handler. The host need not have access to the BOINC database.
You must copy the file upload authentication key to each data server.
The file upload handler uses a configuration of the same format as used by the scheduling server.
You must edit your web server configuration file to allow access to the download directory and to the file-upload CGI program. For example, the addition to Apache's httpd.conf might be:
Alias /barry/ "/users/barry/" <Directory "/users/barry/"> Options Indexes FollowSymlinks MultiViews AllowOverride None Order allow,deny Alias from all </Directory> ScriptAlias /boinc-cgi/ "/users/barry/cgi/" <Directory "/users/barry/cgi/"> AllowOverride None Options None Order allow,deny Allow from all </Directory>