A secured file upload platform to integrate with my server – does kind exist? [on hold]

I’m reading for awhile on securing my web-file-upload system and thinking on building one my own, but – does one already exist? A secured file upload system that is able to integrate with my own current system? It can be paid and none-paid one.

I am currently using the Spring MVC functionality for uploading files (my purpose is mostly uploading .jpegs) , but could not find it to contain any security measures and looks like I have to implement it all by my own.

Counting this: How can I be protected from pictures vulnerabilities? and this: https://www.owasp.org/index.php/Unrestricted_File_Upload

But instead of writing my own right now, it seemed to me like a basic well-known functionality -> does there exist any library/module/service that is able to integrate my java based backend WHICH is fully SECURED?

Continue reading A secured file upload platform to integrate with my server – does kind exist? [on hold]

Which is the most recommended way to expose a file to a computer in an external network in a secure way?

I have two machines in an internal network. One is a development server, which is isolated from external communications (neither through HTTP, HTTPS, SSH, etc). The last one is a production server (which already has a web ser… Continue reading Which is the most recommended way to expose a file to a computer in an external network in a secure way?