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Access and security

Settings → Access and security: “Configure storage and safeguards for public respondents.”

Stops automated spam submissions using Cloudflare Turnstile. Each public submission must pass a quick check before it’s accepted. Most real respondents never see a challenge, and some may be asked to tick a box.

It’s on by default for every form. Only turn it off for forms that are filled in by trusted systems, or in testing. You can also toggle it from Form setup → Quick settings on the canvas. The publish check confirms “Bot protection is on”.

Form-wide limits that every File Upload question must stay within:

SettingWhat it does
Largest file allowedThe biggest single file anyone can upload on this form.
Which files people may attachThe file types the form accepts.
DMS storageWhere uploaded files are stored.

A question can be stricter than these limits but never looser.

“Verify respondents and configure secure save-and-resume behavior.”

SettingWhat it does
OTP Verification“Verify users via OTP before they can view or fill the form.” Respondents get a one-time code by email and/or SMS.
MethodEmail, phone, or both. With both: “User must verify email first, then phone number.”
Email Field to Prefill & LockThe Email question filled with the verified address and locked.
Phone Field to Prefill & LockThe Phone question filled with the verified number and locked.
Partial Submission (Save & Resume)Respondents can leave and come back to finish later. “Requires authentication to be enabled” so KyraForm knows who is returning.

For sign-in with Google and limiting who can respond, see Respondent sign-in.