Help center support eXpress
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Security
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Security
RTS
ETS
This subsection configures SMS spam protection.
Note that the SMS provider may have its own filters, limits, and blocking rules configured.
| Parameter | Description |
|---|---|
| Request Rate Limiter by IP Address | Sets the maximum number of SMS requests allowed from a specific IP address within a specified time period in seconds. |
| Filter by User-Agent | Blocks SMS requests from browsers with specified User Agents using regular expressions. |
| Filter by DEF-code | Blocks SMS requests for phone numbers from specific countries and with specific DEF codes. |
| Filter by phone | Blocks SMS requests for phone numbers matching specified regular expressions. |
| Max. requests limit per phone number | If a number owner exceeds the specified number of SMS requests, this capability will be blocked for them for 24 hours. |
| Unblock user | Enter a mobile phone number (without the plus sign, with strict country code format, no spaces or hyphens) or user IP address in this field and click Unblock to remove active SMS request restrictions. |