/?_wfsf=detectProxy

Hi, I had the following request blocked by cloudflare. Can you please tell me if this is something i should whitelist or exclude? Thanks

Method
POST

URI
/?_wfsf=detectProxy

User agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.82 Safari/537.1

IP address
69.46.36.20

ASN
AS19528 NRIV – NetRiver INT LLC

Country
United States

This ip has also been reported by other users here:

https://www.abuseipdb.com/check/69.46.36.20