Which of the following is a processing rule?

PingAccess rules are categorized intoAccess Control RulesandProcessing Rules.

Processing Rulesmodify or add to HTTP requests and responses.

Cross-Origin Request (CORS)is specifically listed as aProcessing Rule, because it modifies response headers to support cross-origin requests.

Exact Extract:

“Processing rules apply to HTTP traffic, such as Cross-Origin Resource Sharing (CORS), header injection, or response modification.”

Option A (Web Session Attribute)is an access control rule.

Option B (Cross-Origin Request)is correct — this is a processing rule.

Option C (HTTP Request Parameter)is an access control rule.

Option D (HTTP Request Header)is an access control rule.