The Portal rate limitin settings enable you to prevent a user or bot from carrying out the same action repeatedly within a short period of time.
For each action that has a rate limiting setting, you can define how many times within which period of time the same user must do the action before triggering rate limiting.
You can also choose what to do when rate limiting is triggered:
See the CAPTCHA settings section for more options to do with CAPTCHAs.
The Login Rate Limiting setting only applies to users trying to log in to the portal. To limit agent login attempts, use the Login Lockout setting.