What is the IP range of your system so I may restrict access on a firewall?

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Port Assignments

FTP on port 21
SFTP on port 22
HTTP on port 80
HTTPS on port 443


Amazon has a very sophisticated system in place for managing IP ranges across their infrastructure. Everything you need to know about their IP infrastructure can be found in the article AWS IP Address Ranges. An up to date list,in JSON, of all AWS IPs can be found at https://ip-ranges.amazonaws.com/ip-ranges.json

S3 Storage Access

Almost every corporate firewall will allow outgoing access to the web at ports 80 and/or 443, or via an HTTP/HTTPS proxy. Can you access https://s3.amazonaws.com from behind the firewall? If so, you can access S3 storage.

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