REQUEST_COOKIES_NAMES
Description: Cookie names
Syntax: REQUEST_COOKIES_NAMES
REQUEST_COOKIES_NAMES contains the names of all cookies. Used to detect whether cookie names contain abnormal characters or attack payloads.
Example:
# Detect abnormal characters in cookie names
SecRule REQUEST_COOKIES_NAMES "@rx [<>'\";()]" \
"id:1015,phase:1,deny,msg:'Cookie name contains illegal characters'"