Sue Dunham is a writer for the PIA blog and technophile with one goal in mind: making security simple and useful for real people. With a strong focus on VPNs, cybersecurity, and online privacy, she enjoys turning complex technical topics into clear, step-by-step guides that help readers understand not just what to do, but why it matters. When she's not writing, you'll usually find her out on a hiking trail, behind a camera, or tweaking her cyberdeck build.
Linux IP forwarding is essential for many advanced networking tasks, but enabling it without the right configuration can create unintended security and connectivity issues. Whether you’re setting up a router,…