: The X-Forwarded-For header is either blank or shows the proxy's IP, but the Via header shows the proxy software used.

In the context of proxy services, anonymity is classified into three distinct levels based on how much information is shared with a target website: 1. High Anonymity (Elite) Proxies

: These are the most secure. They hide your real IP address and do not reveal that you are using a proxy at all.

: They do not send X-Forwarded-For or Via headers that could flag the request as a proxy.

ProxyScrape provides access to these anonymity levels through several products: Problems related To Proxies - ProxyScrape