TMP021 block

TMP021 is a temporary block from the Intrusion Attempt detection system. When suspicious actions are detected from a visitor, they are blocked for about 30 minutes. After that period expires the visitor can access your site again automatically.

If a legitimate user keeps triggering the block, look at which resources they were requesting and what browser or plugins they were using when it happened. You can also add their IP address to your allowlist on the IP Rules > Allow IPs page to exempt them from security checks.