pub fn extract_client_ip(
client_host: Option<&str>,
forwarded_for: Option<&str>,
trusted_proxies: &[String],
proxy_depth: u32,
) -> ClientIpExtractionExpand description
extract_client_ip: the reference entry point. client_host is the
connecting peer (None for a socket connection); forwarded_for the
raw X-Forwarded-For header.