https://blog.margrop.net/en/tag/gfw/ Recent content in Gfw on Margrop Blog Hugo -- gohugo.io en-US Sun, 26 Feb 2023 20:04:53 +0800 https://blog.margrop.net/en/post/ubuntu-add-port-filter-using-iptables/ Sun, 26 Feb 2023 20:04:53 +0800 https://blog.margrop.net/en/post/ubuntu-add-port-filter-using-iptables/ <h1 id="add-firewall-rules-on-ubuntu-2204">Add firewall rules on Ubuntu 22.04</h1> <h2 id="check-firewall-status">Check firewall status</h2> <pre tabindex="0"><code>ufw status </code></pre><h2 id="open-port-22">Open port 22</h2> <pre tabindex="0"><code>ufw allow 22 </code></pre><h2 id="check-firewall-status-again">Check firewall status again</h2> <pre tabindex="0"><code>ufw status </code></pre> https://blog.margrop.net/en/post/fuckgfw-v2ray-websocket-tls-web-cdn/ Tue, 26 Jan 2021 13:44:36 +0800 https://blog.margrop.net/en/post/fuckgfw-v2ray-websocket-tls-web-cdn/ <p><code>v2ray</code> The most secure configuration currently is <code>WebSocket + TLS + Web + CDN</code>. It uses port <code>443</code>: direct access shows a website, but after connecting with a client it becomes a proxy tool. From the outside it looks like an electric shaver, but it is actually a hair dryer.</p>