https://www.mawenqian.com/en/tags/socat/ Recent content in socat on Geek Vinkey https://www.mawenqian.com/images/papermod-cover.png https://www.mawenqian.com/images/papermod-cover.png Hugo en MA Wenqian · mawenqian.com Mon, 17 Aug 2026 10:30:00 +0800 https://www.mawenqian.com/en/port-forward/ Mon, 17 Aug 2026 10:30:00 +0800 https://www.mawenqian.com/en/port-forward/ <p>Local TCP/UDP port forwarding on all three platforms: Windows has it built in via <code>netsh interface portproxy</code>, while Linux and macOS use <code>socat</code> wrapped in a service so it survives reboots. A comparison table and a troubleshooting checklist are at the end.</p> <p>The parameters are easy to get wrong, so there is a <strong>command generator</strong> below — fill in the addresses and ports and copy the result.</p> <!-- more --> <h2 id="when-you-need-port-forwarding">When you need port forwarding</h2> <p>The cases I run into most often:</p>