How to enable 2FA on CDNsun
Enable two-factor authentication on CDNsun to stop unauthorized logins. After setup, CDNsun asks for a rotating code from MS Authenticator App in addition to your password.
Step-by-step setup
- 1
Sign in to CDNsun and open your CDNsun account security settings.
- 2
Turn on two-factor authentication and choose the authenticator-app option.
Look for "Authenticator app", "Authentication app", or "TOTP" rather than SMS.
- 3
Scan the QR code with MS Authenticator App.
Open MS Authenticator App, tap add, and point your camera at the QR code CDNsun displays. Can't scan? Enter the setup key manually instead.
- 4
Enter the 6-digit code to confirm.
Type the code MS Authenticator App generates to verify and link your CDNsun account.
- 5
Save your backup codes.
Store the recovery codes CDNsun gives you somewhere safe — you'll need them if you lose your phone.
Menu names on CDNsun can change — the official CDNsun 2FA documentation ↗ always has the exact, current path.
Frequently asked questions
- Does CDNsun work with authenticator apps like MS Authenticator App?
- Yes. CDNsun supports TOTP authenticator apps, so you can generate its two-factor codes in MS Authenticator App.
- Is CDNsun two-factor authentication free?
- Yes. Enabling authenticator-app 2FA on CDNsun is free — you only need the free MS Authenticator App.
- What if I lose access to my CDNsun 2FA codes?
- Use the backup or recovery codes you saved during setup. If you didn't save them, contact CDNsun support to regain access, then re-add the account to MS Authenticator App.
Generate your CDNsun codes in MS Authenticator App
Free, offline, and encrypted. One tap for every 6-digit code.
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