Hướng dẫn nhanh

Hướng dẫn này bao gồm tất cả các tính năng của Tailscale:
- Bắt đầu — Create your account and install the client
- Cách sử dụng VPN cho doanh nghiệp — Replace a traditional VPN with a flat private network your whole team can join
- Cách sử dụng truy cập từ xa an toàn — Reach any work machine from anywhere without opening a single firewall port
- Cách sử dụng mạng kết nối giữa các trang web (Site-to-Site Networking) — Link two office networks together through subnet routers on each side
- Cách sử dụng mạng đa đám mây — Put servers from different cloud providers on one flat private network
- Hướng dẫn sử dụng Kubernetes — Expose cluster services to your tailnet without a public load balancer
- Cách sử dụng triển khai Edge & IoT — Manage a fleet of Raspberry Pi boards and sensors from one dashboard
- How to Use Cloud connectivity — Give cloud workloads private access to on-premise databases and hosts
- Cách sử dụng AI bảo mật — Keep local models and GPU servers private while your tools still reach them
- How to Use Zero Trust networking — Grant access per user and per device instead of trusting the whole network
Thời gian cần thiết: 5 phút cho mỗi phim
Cũng trong hướng dẫn này: Mẹo chuyên nghiệp | Những lỗi thường gặp | Khắc phục sự cố | Chạy | Các lựa chọn thay thế
Tại sao nên tin tưởng hướng dẫn này?
I have run Tailscale for two years across a Linux machine, a Raspberry Pi, my phone and two cloud servers.
Every step here comes from my own tailnet, not from vendor screenshots.

Tailscale is a mesh VPN built on the WireGuard protocol.
It creates a decentralised network called a tailnet, where thiết bị connect directly to each other.
Most people install it, log in once, then never touch the settings again.
That is a shame, because the good features sit one layer down.
Hướng dẫn về quy mô đuôi tàu
This How to Use Tailscale VPN tutorial on how to use Tailscale walks through every feature, from the first install to zero trust access rules.

Cân đuôi
Connect every device you own into one private network in about five minutes. No ports to open, no server to rent, no config files to edit. Free forever for personal use.
Hướng dẫn bắt đầu sử dụng Tailscale
Do this once and every feature below becomes available.
It takes about three minutes on any platform.
Watch the full walkthrough first:
Bây giờ chúng ta hãy cùng phân tích từng bước.
Bước 1: Tạo tài khoản của bạn
Go to the Tailscale website and click Get Started.
Sign in with Google, Microsoft, GitHub or Apple instead of making a new password.
✓ Điểm kiểm tra: The admin console loads with an empty Machines list.
Step 2: Install the Client
Download the app for Windows, macOS, iOS or Android from the site or your app store.
On a Linux machine, run the one-line install script, then tăng quy mô đuôi.
Apple devices ask for a VPN profile permission on first launch.
Here’s what you get once the client is running:

✓ Điểm kiểm tra: Your computer appears in the Machines list with a 100.x.x.x address.
Step 3: Add More Devices
Repeat the install on your phone, your server and any other devices you own.
Once installed, each client finds the others on its own, with nothing to configure.
Every device signed into the same account joins the same tailnet automatically.
Here is how that looked on my own setup:

✅ Hoàn thành: Your tailnet devices can now reach each other by name from anywhere.
Hướng dẫn sử dụng Tailscale Business VPN
Việc kinh doanh VPN lets you swap your old corporate VPN for a mesh network that every employee joins in minutes.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Invite Your Users
Open the admin console and send invites by email.
Everyone who signs in with the same domain lands on the same tailnet.
Step 2: Approve Tailnet Devices
Each laptop, phone and server appears in the Machines list after the client installs.
Đây là hình ảnh minh họa:
✓ Điểm kiểm tra: Every invited computer shows a 100.x.x.x IP address in the admin console.
Step 3: Set Your Access Policy
Edit the ACL file so each team only reaches the servers it owns.
✅ Kết quả: Your team has a private network with no gateway hardware to configure.
💡 Mẹo hay: Tailscale uses single-sign-on to authenticate users, so revoking someone in Google Workspace cuts their access ngay lập tức.
How to Use Tailscale Remote Access
Chắc chắn Truy cập từ xa lets you reach a work machine from any computer in the world without exposing it to the internet.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Install the Client on Both Ends
Install Tailscale on the office machine and on your laptop.
On Linux the one-line install script does everything.
Step 2: Check Tailscale Status
Chạy trạng thái đuôi to confirm both devices are connected.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The remote host appears as online with a direct peer connection.
Step 3: Connect by Hostname
SSH or duyệt to the device using its MagicDNS name instead of an IP.
✅ Kết quả: You can access work files from home without a port forward or public IP.
💡 Mẹo hay: Sử dụng tailscale ssh and Tailscale handles the keys for you, so there is no key file to copy around.
Hướng dẫn sử dụng mạng kết nối giữa các địa điểm của Tailscale
Kết nối giữa các địa điểm lets you join two whole networks together instead of installing the app on every machine.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Pick a Gateway Device
Choose one always-on Linux machine at each site.
Step 2: Advertise the Subnet
Run the advertise-routes command with your local range, such as 192.168.1.0/24.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Printers and NAS boxes at the far site answer pings from your laptop.
Step 3: Approve the Route
Approve both subnet routers in the admin console under Machines.
✅ Kết quả: Two home or office networks now talk as if they sat in one building.
💡 Mẹo hay: Enable IP forwarding on the router first, or packets reach the gateway and stop there.
Hướng dẫn sử dụng mạng đa đám mây Tailscale
Mạng đa đám mây lets you put AWS, GCP and bare-metal servers on the same private network with no peering setup.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Install on Each Server
Add the client to every cloud instance with the one-line script.
Step 2: Use an Auth Key
Generate a reusable auth key so new servers join without a browser login.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: All cloud hosts appear in one list with 100.x.x.x IP addresses.
Step 3: Tag Your Machines
Apply tags like tag:prod so access rules follow the role, not the person.
✅ Kết quả: Your servers communicate across providers without VPC peering or public endpoints.
💡 Mẹo hay: Bake the install command into your image so every new node joins the tailnet at boot.
Hướng dẫn sử dụng Tailscale Kubernetes
Kubernetes lets you reach internal cluster services from your laptop without a public load balancer.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Install the Operator
Deploy the Tailscale operator into your cluster with Helm.
Step 2: Annotate a Service
Add the Tailscale annotation to any service you want on the tailnet.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The service shows up as its own device in the Machines list.
Step 3: Open It by Name
Hit the service DNS name from your phone or laptop.
✅ Kết quả: Internal dashboards stay off the public internet but remain accessible to your team.
💡 Mẹo hay: Use the operator’s API server proxy so kubectl works without a public control plane.
Hướng dẫn sử dụng Tailscale Edge & IoT Deployments
Triển khai Edge & IoT lets you manage a Raspberry Pi fleet or a shelf of sensors from one dashboard.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Flash and Install
Install the client on each Raspberry Pi with the standard Linux command.
Step 2: Use Ephemeral Keys
Ephemeral auth keys clean up stale entries when a device goes offline for good.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Each board reports online and answers SSH over its tailnet name.
Step 3: Name Every Node
Rename each machine so the hostname tells you where it sits.
✅ Kết quả: Field hardware is reachable without static IPs, dynamic DNS or open ports.
💡 Mẹo hay: Set a device to never expire, or a remote sensor will drop off after 180 days and need a physical visit.
How to Use Tailscale Cloud connectivity
Cloud connectivity lets you let a cloud app read an on-premise database without a public route.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Route the On-Prem Side
Run a subnet router next to the database and advertise its range.
Step 2: Join the Cloud Workload
Install the client inside the cloud VM or container.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The application connects to the private host by its internal IP.
Step 3: Lock It Down
Write an ACL that allows only that workload to reach the database port.
✅ Kết quả: Cloud and on-prem traffic stays encrypted end to end with no bastion host.
💡 Mẹo hay: Turn on MagicDNS so the connection string uses a stable name instead of a changing address.
How to Use Tailscale Secure AI
Bảo mật AI lets you keep a GPU box or local model server private while your laptop still reaches it.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Bind Locally
Run the model server on localhost or on the tailnet interface only.
Step 2: Add the GPU Host
Install the client on the GPU machine and confirm it is connected.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The model answers requests from your laptop and nowhere else.
Step 3: Point Your Tools at It
Use the tailnet hostname as the API endpoint in your app.
✅ Kết quả: Your private model is usable from anywhere and invisible to the public internet.
💡 Mẹo hay: Share the node with one teammate instead of the whole tailnet when you need a second pair of eyes.
How to Use Tailscale Zero Trust networking
Zero Trust networking lets you grant access per user and per device instead of trusting everyone on the network.
Dưới đây là hướng dẫn sử dụng từng bước.
Step 1: Open the Access Controls
Edit the policy file in the admin console.
Step 2: Write Narrow Rules
Allow each group to reach only the ports it needs.
Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: A test account is blocked from a server it should not touch.
Step 3: Require Device Posture
Turn on device approval so new hardware waits for a human check.
✅ Kết quả: Access follows identity, so a stolen laptop does not hand over the whole network.
💡 Mẹo hay: Use the ACL preview tab before saving, since a bad rule can lock you out of your own machines.
Mẹo và thủ thuật chuyên nghiệp của Tailscale
If you are interested in getting more from your tailnet, start with these.
Handy Commands
| Hoạt động | Yêu cầu |
|---|---|
| Check connections | trạng thái đuôi |
| Connect this machine | tăng quy mô đuôi |
| Send a file | tailscale file cp |
| Test a path | tailscale ping |
Những tính năng ẩn mà hầu hết mọi người bỏ lỡ
- Exit node: Route all internet traffic through one device. For example, a laptop in San Francisco can browse through your home connection. Exit nodes are chosen per client.
- Taildrop: Send files between your own devices without the cloud, straight from the share sheet on a phone.
- MagicDNS: Human-readable hostnames replace raw IP addresses, so
ssh piworks from any client. - Tailscale Serve: Publish a local web server to your tailnet over HTTPS with one command.
Những lỗi thường gặp khi cân đuôi cần tránh
Mistake #1: Expecting it to hide your browsing by default
❌ Sai: Installing the app and assuming websites now see a different IP address.
✅ Bên phải: Only tailnet traffic is routed by default. Pick an exit node if you want your public IP hidden too.
Mistake #2: Forgetting to approve subnet routes
❌ Sai: Running the advertise command, then wondering why the home network is unreachable.
✅ Bên phải: Approve the route in the admin console and enable IP forwarding on the host.
Mistake #3: Ignoring key expiry
❌ Sai: Leaving a headless server to expire after 180 days and losing remote access.
✅ Bên phải: Disable key expiry on servers you cannot physically reach.
Khắc phục sự cố cặn đuôi
Problem: Devices connect but the link feels slow
Gây ra: A direct peer connection failed, so traffic is going through a DERP relay server.
Sửa chữa: Chạy kiểm tra ròng quy mô đuôi, then open UDP 41641 outbound or turn off strict NAT on the router.
Problem: A machine shows as offline
Gây ra: The client stopped, or its node key expired.
Sửa chữa: Restart the service, run tăng quy mô đuôi again and re-authenticate in the browser.
A machine configured months ago sometimes just needs connecting once more.
Problem: Hostnames do not resolve
Gây ra: MagicDNS is off, or another VPN client is holding the DNS settings.
Sửa chữa: Enable MagicDNS in the admin console and disconnect the other VPN.
📌 Ghi chú: If none of these help, the Tailscale documentation and support team are both quick to answer.
Tailscale là gì?
Cân đuôi is a VPN service that builds a private mesh network between your own machines.
Think of it as a network cable that follows your devices around the world.
It is based on the WireGuard protocol, and its architecture avoids the single point of failure a central VPN server creates.
Traffic takes the shortest path possible, usually a direct peer-to-peer hop, with encrypted packets end to end.
Here is the short version:

Nó bao gồm các tính năng chính sau:
- VPN dành cho doanh nghiệp: One tailnet for the whole company, with single-sign-on and admin roles.
- Truy cập từ xa an toàn: Reach a home server or office host without exposing services to the internet.
- Kết nối giữa các địa điểm: Subnet routers link entire networks through one gateway device.
- Mạng đa đám mây: Servers across providers share one flat set of IP addresses.
- Kubernetes: Cluster services become tailnet devices instead of public endpoints.
- Triển khai điện toán biên và IoT: A Raspberry Pi in the field stays accessible with no open ports.
- Kết nối đám mây: Cloud workloads reach on-prem hosts over an encrypted path.
- Bảo mật AI: Local model servers stay private while your tools still connect.
- Zero Trust networking: Access rules follow the user and the device, not the network.
For the full breakdown, see our Đánh giá quy mô nhỏ.
Định giá quy mô nhỏ
Here is what Tailscale costs in 2026:
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| Riêng tư | Miễn phí mãi mãi! | One user, home network and side projects |
| Cộng thêm cá nhân | 5 đô la/tháng | Enthusiasts who want more devices and a few users |
Dùng thử miễn phí: The Personal plan is free forever, so there is nothing to trial.
Đảm bảo hoàn tiền: Paid plans are monthly, so you cancel rather than claim a refund.
The Personal plan is free for personal use and covers 20 devices on a single tailnet.
Team plans add advanced SSO, unlimited access control, admin roles and enterprise support.
Here is the pricing page as it stands:

💰 Giá trị tốt nhất: Personal — free forever, and enough for a home lab with a Raspberry Pi, a NAS and a laptop.
Quy mô nhỏ so với các giải pháp thay thế
Most tools on this list are privacy VPNs. Tailscale is a networking tool, so compare on the job you need done.
| Dụng cụ | Tốt nhất cho | Giá | Xếp hạng |
|---|---|---|---|
| Cân đuôi | Private device networks | 0 đô la/tháng | ⭐ 4.6 |
| NordVPN | Phát trực tuyến và quyền riêng tư | 12,99 đô la/tháng | ⭐ 4.7 |
| ExpressVPN | Speed and ease | 12,95 đô la/tháng | ⭐ 4.6 |
| ProtonVPN | Privacy and free tier | 9,99 đô la/tháng | ⭐ 4.5 |
| VPN Surfshark | Không giới hạn thiết bị | 12,95 đô la/tháng | ⭐ 4.5 |
| CyberGhost | Máy chủ phát trực tuyến | 12,99 đô la/tháng | ⭐ 4.3 |
| Truy cập Internet riêng tư | Configurable client | $11.95/mo | ⭐ 4.4 |
| PureVPN | Budget plans | $10.95/mo | ⭐ 4.2 |
Lựa chọn nhanh:
- Tốt nhất tổng thể: Tailscale — nothing else connects your own machines this quickly.
- Ngân sách tốt nhất: Tailscale — the free plan covers most home setups.
- Phù hợp nhất cho người mới bắt đầu: ExpressVPN — one button, no networking knowledge needed.
- Best for hiding traffic: ProtonVPN — audited clients and a genuine free tier.
🎯 Các giải pháp thay thế cho quy mô nhỏ
Looking for Tailscale alternatives? Here are the options worth a look:
- 🚀 NordVPN: Huge server network for streaming and privacy, though it hides your traffic rather than linking your own devices.
- ⭐ ExpressVPN: Fast consumer VPN with apps on nearly every platform, built for location switching instead of private device networking.
- 💰 PureVPN: Budget subscription VPN with a dedicated IP add-on, useful if you only need a hidden public address.
- 💼 VPN Surfshark: Unlimited device connections on one account, a good pick for families who want traffic encryption everywhere.
- 🔒 ProtonVPN: Privacy-first provider with a solid free tier and open-source clients audited by outside firms.
- 👶 PrivadoVPN: Simple free tier with a small monthly dữ liệu allowance, aimed at people new to VPN apps.
- 🎯 VPN AdGuard: Pairs traffic encryption with ad blocking, handy on a phone where trackers are the main annoyance.
- 🏢 VirtualShield: Consumer privacy bundle with identity monitoring, sold mainly to households rather than technical users.
- 🔧 StrongVPN: Long-running provider with router support, a fit if you want one device covering the whole home network.
- 📊 AuraVPN: Part of a wider identity protection suite, bundling a VPN with credit and dark web monitoring.
- 🔥 CyberGhost: Streaming-tuned servers and a very long refund window, built for media rather than infrastructure.
- 🧠 McAfee VPN: Bundled with McAfee antivirus, convenient if you already pay for the bảo vệ phòng suite.
- ⚡ Truy cập Internet riêng tư: Configurable client with per-app rules and a no-logs record tested in court.
- 🌟 Bí ẩn: Decentralised node marketplace where users pay for bandwidth from other people’s hardware.
- 🎨 VPN SafeShell: Focused on streaming access with region-specific modes for major platforms.
- 🚀 Oyster VPN: Small provider with cheap long-term plans and a straightforward app on phone and desktop.
Để xem danh sách đầy đủ, vui lòng xem trang của chúng tôi. Các giải pháp thay thế quy mô nhỏ hướng dẫn.
⚔️ So sánh quy mô đuôi
Here is the head-to-head against each one:
- So sánh Tailscale và NordVPN: NordVPN wins for anonymous browsing. Tailscale wins when you want to reach your own machines.
- So sánh Tailscale và ExpressVPN: ExpressVPN is simpler for casual users. Tailscale gives you a real private network.
- So sánh Tailscale và PureVPN: PureVPN is cheaper for streaming. Tailscale is free for personal use and far better for remote access.
- So sánh Tailscale và Surfshark VPN: Surfshark covers more devices per plan. Tailscale connects those devices to each other.
- So sánh Tailscale và ProtonVPN: ProtonVPN is stronger on anonymity. Tailscale is stronger on connectivity between your own servers.
- So sánh Tailscale và PrivadoVPN: PrivadoVPN suits light browsing. Tailscale suits anyone running a home server.
- So sánh Tailscale và AdGuard VPN: AdGuard blocks ads better. Tailscale handles private networks that AdGuard never touches.
- Tailscale vs VirtualShield: VirtualShield targets families. Tailscale targets developers and IT teams.
- So sánh Tailscale và StrongVPN: StrongVPN is easier on an old router. Tailscale gives per-device access rules.
- So sánh Tailscale và AuraVPN: Aura bundles more privacy tools. Tailscale does one job properly.
- Tailscale đấu với CyberGhost: CyberGhost unblocks more catalogues. Tailscale reaches your NAS and Raspberry Pi.
- So sánh Tailscale và McAfee VPN: McAfee is convenient if bundled. Tailscale is the better standalone network tool.
- Truy cập Internet quy mô nhỏ so với truy cập Internet riêng tư: PIA offers deeper tuning for privacy. Tailscale offers direct peer-to-peer links.
- Vảy đuôi so với Mysterium: Mysterium is more experimental. Tailscale is production-ready for daily work.
- So sánh Tailscale và SafeShell VPN: SafeShell is aimed at viewers. Tailscale is aimed at thợ xây.
- So sánh Tailscale và Oyster VPN: Oyster costs less monthly. Tailscale costs nothing for a personal tailnet.
Hãy bắt đầu sử dụng Tailscale ngay bây giờ!
You now know how to use Tailscale across every major feature:
- ✅ VPN dành cho doanh nghiệp
- ✅ Truy cập từ xa an toàn
- ✅ Kết nối giữa các trang web
- ✅ Mạng đa đám mây
- ✅ Kubernetes
- ✅ Triển khai điện toán biên và IoT
- ✅ Cloud connectivity
- ✅ Bảo mật AI
- ✅ Zero Trust networking
Bước tiếp theo: Install the client on two devices and run trạng thái đuôi.
Hầu hết mọi người bắt đầu với Truy cập từ xa an toàn.
Chỉ mất chưa đến năm phút.
Câu hỏi thường gặp
Làm thế nào để sử dụng Tailscale một cách hiệu quả?
Create a free account, install the client on two or more devices, and log in with the same account. Each machine gets a 100.x.x.x IP address and connects by name.
Tailscale có miễn phí cho mục đích sử dụng cá nhân không?
Yes. The Personal plan is free forever and covers 20 devices on one tailnet. Personal Plus costs $5/per month if you want more devices and a few extra users.
Tôi có nên để Tailscale hoạt động mọi lúc không?
Yes, for most people. It only routes tailnet traffic by default, so it barely touches battery or speed unless you turn on an exit node.
Tailscale có ẩn địa chỉ IP của tôi không?
Not by default, because normal browsing skips the tailnet. Enable an exit node and your public traffic leaves through that device instead of your own connection.
Tailscale có thể xem lưu lượng truy cập của tôi không?
No. Packets are encrypted between devices with WireGuard keys. The coordination server handles public key exchange and device lists, never the contents of your connections.













