{"id":6313,"date":"2026-05-02T15:58:44","date_gmt":"2026-05-02T07:58:44","guid":{"rendered":"https:\/\/blog.lss.lol\/index.php\/2026\/05\/02\/cloudflare-tunnel-secure-nas-remote-access-without-public-ip-using-ctm-tool\/"},"modified":"2026-05-02T15:58:44","modified_gmt":"2026-05-02T07:58:44","slug":"cloudflare-tunnel-secure-nas-remote-access-without-public-ip-using-ctm-tool","status":"publish","type":"post","link":"https:\/\/blog.lss.lol\/index.php\/2026\/05\/02\/cloudflare-tunnel-secure-nas-remote-access-without-public-ip-using-ctm-tool\/","title":{"rendered":"Cloudflare Tunnel: Secure NAS Remote Access Without Public IP (Using CTM Tool)"},"content":{"rendered":"<p>You\u2019re on a business trip in Singapore, and you suddenly need to access the backup files stored on your Synology NAS at home in Shanghai. But your home network doesn\u2019t have a public IP, and port forwarding is either blocked by your ISP or too risky. What do you do? <a href=\"https:\/\/ctm.lss.lol\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #2271b1;text-decoration: underline\">Cloudflare Tunnel<\/a>, paired with the CTM tool from <a href=\"https:\/\/ctm.lss.lol\/\">https:\/\/ctm.lss.lol\/<\/a>, offers a free, secure solution to this problem.<\/p>\n<h2>What Is <a href=\"https:\/\/ctm.lss.lol\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #2271b1;text-decoration: underline\">Cloudflare Tunnel<\/a>?<\/h2>\n<p><a href=\"https:\/\/ctm.lss.lol\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #2271b1;text-decoration: underline\">Cloudflare Tunnel<\/a> is a service that creates an encrypted connection between your local device (like a NAS) and Cloudflare\u2019s global network. Instead of exposing your device directly to the internet (which is risky), all traffic goes through Cloudflare\u2019s servers\u2014so you don\u2019t need a public IP or port forwarding. The CTM (Cloudflare Tunnel Manager) tool from the official site simplifies the setup process, making it accessible even for non-technical users.<\/p>\n<h2>Why Choose Cloudflare Tunnel for NAS Access?<\/h2>\n<ul>\n<li><strong>No Public IP Required<\/strong>: Your ISP doesn\u2019t need to assign you a public IP\u2014Cloudflare handles the connection.<\/li>\n<li><strong>Free Tier Available<\/strong>: The basic service is free, with no hidden costs for personal use.<\/li>\n<li><strong>Enhanced Security<\/strong>: All traffic is encrypted, and you can add Cloudflare\u2019s WAF (Web Application Firewall) to block malicious requests.<\/li>\n<li><strong>Easy Setup<\/strong>: With CTM, you can set up the tunnel in minutes without complex configuration.<\/li>\n<\/ul>\n<h2>Step-by-Step Setup with CTM Tool<\/h2>\n<p>Prerequisites:<\/p>\n<ul>\n<li>A Cloudflare account (free to sign up).<\/li>\n<li>A domain (you can get a free one from Cloudflare, like yourname.workers.dev).<\/li>\n<li>Your NAS device (Synology, QNAP, or any other with a web interface).<\/li>\n<li>CTM tool downloaded from <a href=\"https:\/\/ctm.lss.lol\/\">https:\/\/ctm.lss.lol\/<\/a>.<\/li>\n<\/ul>\n<ol>\n<li><strong>Set Up Cloudflare Domain<\/strong>: Log into your Cloudflare account, add your domain (or create a free workers.dev domain). Follow Cloudflare\u2019s instructions to verify ownership.<\/li>\n<li><strong>Install CTM<\/strong>: Download the CTM tool from the official site. For Windows, it\u2019s an executable; for macOS\/Linux, use the CLI commands provided on the site.<\/li>\n<li><strong>Authenticate CTM<\/strong>: Open CTM and enter your Cloudflare API token (create one in your Cloudflare account under &#8220;API Tokens&#8221; with tunnel management permissions).<\/li>\n<li><strong>Create a Tunnel<\/strong>: Click &#8220;New Tunnel&#8221; in CTM, give it a name (e.g., &#8220;NAS Tunnel&#8221;), and select a region (closest to your location for better performance).<\/li>\n<li><strong>Add NAS Service<\/strong>: In the tunnel settings, add a service. Enter your NAS\u2019s local IP (e.g., 192.168.1.100) and port (e.g., 5001 for Synology HTTPS). Assign a subdomain (e.g., nas.yourdomain.com).<\/li>\n<li><strong>Start the Tunnel<\/strong>: Click &#8220;Start Tunnel&#8221; in CTM. Once running, access your NAS via the subdomain you set up.<\/li>\n<\/ol>\n<h2>How Cloudflare Tunnel Compares to Other Tools<\/h2>\n<table>\n<tr>\n<th>Tool<\/th>\n<th>Cost<\/th>\n<th>Setup Difficulty<\/th>\n<th>Security<\/th>\n<th>Bandwidth Limit<\/th>\n<th>Public IP Needed<\/th>\n<\/tr>\n<tr>\n<td>Cloudflare Tunnel (with CTM)<\/td>\n<td>Free tier available<\/td>\n<td>Low<\/td>\n<td>High (encrypted + WAF)<\/td>\n<td>No hard limit (fair use)<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>frp<\/td>\n<td>Free (self-hosted)<\/td>\n<td>Medium (need VPS)<\/td>\n<td>Medium (depends on config)<\/td>\n<td>VPS bandwidth limit<\/td>\n<td>Yes (for server)<\/td>\n<\/tr>\n<tr>\n<td>ngrok<\/td>\n<td>Free tier (1GB\/month)<\/td>\n<td>Low<\/td>\n<td>High<\/td>\n<td>1GB\/month (free)<\/td>\n<td>No<\/td>\n<\/tr>\n<\/table>\n<h2>Pro Tips for Optimal NAS Access<\/h2>\n<ul>\n<li><strong>Enable HTTPS<\/strong>: Use HTTPS (port 5001 for Synology) instead of HTTP to protect your data\u2014Cloudflare provides free SSL certificates.<\/li>\n<li><strong>Restrict Access<\/strong>: Use Cloudflare Access to require a login (e.g., Google, GitHub) before accessing your NAS, adding an extra security layer.<\/li>\n<li><strong>Monitor Traffic<\/strong>: Check Cloudflare\u2019s analytics dashboard to spot unusual activity and track access patterns.<\/li>\n<li><strong>Use Custom Domain<\/strong>: Replace the default workers.dev domain with your own (like nas.yourname.com) for easier access and branding.<\/li>\n<\/ul>\n<h2>Beyond NAS\u2014Cross-Border E-Commerce Servers<\/h2>\n<p>Cloudflare Tunnel isn\u2019t just for NAS. If you run a cross-border e-commerce business, it can make your server globally accessible without direct exposure. For example, a US-based server can serve European customers via Cloudflare\u2019s edge network, reducing latency and blocking DDoS attacks. This is especially useful for small businesses that can\u2019t afford expensive global hosting.<\/p>\n<blockquote><p>Cloudflare Tunnel turns your local devices into globally accessible services\u2014without the risks of port forwarding or public IP exposure.<\/p><\/blockquote>\n<p>Whether you\u2019re accessing your NAS on the go or running a cross-border e-commerce server, Cloudflare Tunnel (with CTM) is a reliable, free solution. It\u2019s easy to set up, secure, and scalable\u2014perfect for both personal and small business use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You\u2019re on a business trip in Singapore, and you suddenl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6314,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-6313","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cftm"],"_links":{"self":[{"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/posts\/6313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/comments?post=6313"}],"version-history":[{"count":0,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/posts\/6313\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/media\/6314"}],"wp:attachment":[{"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/media?parent=6313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/categories?post=6313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lss.lol\/index.php\/wp-json\/wp\/v2\/tags?post=6313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}