A hacker might attempt to upload a script file (like a .php , .py , or .exe file) disguised as an innocent image. If the server executes that script, the attacker can take complete control of the website.
If you must store files on the same server, put them in a directory with no direct public access. Serve them via a script that authenticates the user and sets proper headers.
To learn more about optimizing client-side performance for large data streams, consider exploring like tus , which standardize chunked file state management across fluctuating mobile networks. Share public link upload file
For files larger than 10–20 MB, break them into 1–5 MB chunks. If the connection drops, the upload can resume from the last successful chunk rather than restarting. Tus protocol is a popular open standard.
While HTTP/HTTPS dominates web‑based uploads, other protocols are still relevant for specialized scenarios: A hacker might attempt to upload a script file (like a
Standard HTML forms send data using application/x-www-form-urlencoded . However, this format is highly inefficient for binary data like images, PDFs, or videos. To transmit files, forms must use the multipart/form-data encoding type.
Standard web forms send data as key-value text pairs. Files require a more complex format known as multipart/form-data . Serve them via a script that authenticates the
If a platform asks for a resume, portfolio, or tax form, use a flattened PDF instead of an editable Word document. This prevents formatting errors and locks down your content. Best Practices for Developers and App Creators
An process refers to transferring a file from a local computer or device to a remote server, website, or cloud storage system. The server acts as a repository, allowing authorized users to access or manage the data later. Key Use Cases
What are you using on your backend?