When using a VPN service for the first time, many people save their account and subscription link as ordinary registration information. This guide is for new users and covers what information you don't need to provide during registration, why subscription links must be kept like passwords, and the real risks of public Wi-Fi and key client security settings.
What Information You Don't Need to Provide During Registration
Many people, when registering for a VPN service for the first time, habitually prepare a pile of materials as if they were registering for a bank card or social media account. In reality, the registration process for a cross-border network acceleration service is much simpler than you'd imagine.
With VPNCU, for example, registration only requires setting up login credentials — no email address needed. This is the biggest difference from most platforms: no email verification, no confirmation emails, and therefore no risk of email bombing or email leaks. The entire process requires no personal identification information — the provider won't ask you to upload ID documents, provide your real name, or enter your home address.
| Information Type | Required? | Notes |
|---|---|---|
| Email address | No | No email verification, simpler registration |
| ID documents | No | VPN service doesn't involve real-name verification |
| Real name | No | Account only recognizes login credentials |
| Home address | No | No connection to network acceleration |
| Login credentials | Yes | Used to protect account access |
Many users worry: if I don't provide an email, what happens if I forget my password? In reality, VPNCU's account system doesn't rely on email recovery. If you forget your login credentials, you can contact customer support to recover them through other means — you won't lose your account just because no email is linked.
If you're asked to provide your ID number, employer, detailed address, or similar fields when registering on a platform, that's no longer a question of “is it needed” — it's a sign that the platform's data collection practices deserve scrutiny.
Why Subscription Links Must Be Kept Like Passwords
A subscription link is a URL containing the server address, port, encryption protocol, and key. The protocol type may be Shadowsocks, VMess, Trojan, VLESS, or Hysteria2, among others. Once imported, the client automatically recognizes and applies the corresponding configuration to establish a connection.
In other words, your subscription link is your access credential to the routes. Anyone who gets this URL can import and use the same set of routes on their own device. Not only can they use your bandwidth, but they can also see the node information you're connected to.
Common Mistakes in Storing Subscription Links
- ❌ Saving screenshots in your phone's photo album — albums get cloud-synced and may be read by other apps
- ❌ Sending to chat groups or private messages — chat history may be retained by third parties
- ❌ Pasting into cloud notes or memos — the cloud service itself may be compromised
- ✅ Using a password manager — encrypted storage, unlocked only on your device
- ✅ Regularly rotating your subscription link — the old one becomes invalid immediately
Also, don't send screenshots of your subscription link to any customer support form that requires uploads. Legitimate customer support will never ask for your full subscription link to “help troubleshoot issues.” If someone asks for it, stay alert.
If you suspect your subscription link has been leaked, regenerate it in the dashboard as soon as possible. The old link becomes invalid immediately and won't affect any other data.
The Real Risks of Public Wi-Fi
The threat of public Wi-Fi isn't as simple as “a hacker seeing your password.” Attackers on the same network can carry out ARP spoofing, forge DNS responses, and set up fake hotspots with similar names — the methods are more numerous than you'd imagine.
A VPN's encrypted tunnel prevents traffic from being read by man-in-the-middle attacks. Even if an attacker intercepts data packets, they only see ciphertext that can't be decoded into readable content. Public Wi-Fi operators may also log your browsing activity — the encrypted tunnel prevents such logs from being easily linked to your identity.
But note: VPN is not a silver bullet. Even when connected to a VPN on public Wi-Fi, you should avoid directly logging into online banking or payment apps. The encrypted tunnel protects the transmission process, not the act of you entering your password.
Tip: After connecting to public Wi-Fi, first confirm that the hotspot name matches the official name provided by the venue. Don't connect to open hotspots with names like “Free Wi-Fi” — these may be fake. It's recommended to turn off file sharing and network discovery to prevent other devices on the same network from accessing your shared folders.
Client Security Settings: DNS Leaks and Routing Rules
Being connected ≠ all traffic goes through the proxy. Two common issues need checking: DNS leaks and routing rules.
DNS leak means the VPN only encrypts application traffic, but DNS query requests are still sent to your local ISP's DNS servers. The consequence: even if your exit IP appears to be abroad, your browsing history may still be logged by local DNS. The check is simple — use an online DNS leak test tool and compare whether the results match your actual exit. Most modern clients have DNS leak protection enabled by default; if you're using an older version, check the corresponding toggle in the settings panel.
Routing rules address the question of “which traffic goes through the proxy and which connects directly.” A sensible default is: websites and apps in mainland China connect directly, while international websites go through the proxy. This ensures fast access without slowing down services within mainland China by proxying all traffic.
| Scenario | Recommended Setting | Reason |
|---|---|---|
| Video platforms in mainland China | Direct connection | Proxying makes them slower |
| International websites / streaming | Through proxy | Need to change exit region |
| Games / office software | Route as needed | Reduce latency and packet loss |
Different clients have slightly different settings locations. On desktop, you can usually manually add routing rules in the settings panel; on mobile, there's typically a “per-app proxy” option that lets you specify whether each app goes through the proxy.
For beginners, there's no need to understand the details of each protocol. The client's default configuration covers most use cases. You only need to know: after importing the subscription link, the client automatically reads the route configuration, and you just pick a suitable route.
Conclusion
There's only one core principle: keep your subscription link like a password, provide only the minimum necessary information during registration, stay alert on public Wi-Fi, and enable DNS leak protection and sensible routing rules in your client.
For first-time VPN users, you don't need to complete all these settings at once. Start by registering, importing the subscription link, and confirming basic connectivity works, then gradually adjust routing rules and DNS settings. If you still have questions, check the FAQ in the help center or contact the support team through the ticket system.