file protection — 2 Technical Articles

Jun 30, 2025 · Backend Development

Secure File Downloads in Spring Boot 3: Token‑Based Links & Path‑Traversal Protection

This article explains how to protect file downloads in Spring Boot by generating short‑lived or token‑based URLs, preventing static URL exposure, handling path‑traversal attacks, supporting in‑memory or streamed files, and optionally tying downloads to authenticated users.

JavaSecure DownloadSpring Boot

0 likes · 13 min read

Secure File Downloads in Spring Boot 3: Token‑Based Links & Path‑Traversal Protection

Liangxu Linux

Jun 4, 2020 · Fundamentals

How to Use chattr to Protect Files and Directories from Accidental Deletion

This guide explains the Linux chattr command, showing how to add immutable or append‑only attributes to files and directories, verify the settings, and later remove the protection, with practical examples and command syntax.

Immutableappend-onlychattr

0 likes · 6 min read

How to Use chattr to Protect Files and Directories from Accidental Deletion