How to backup the Synology Server to Amazon S3 - SynologyWiki
"This is a instruction guide on how to modify the Synology Server to backup files to Amazon's S3 service, an online storage space, offered by Amazon.com
To backup (synchronize) your data from your Synology box to Amazon S3, you'll need to install some additional software on your machine, like OpenSSL, wget-SSL, ruby and s3sync. This installation is detailed here. "