@@ -53,7 +53,7 @@ func realIP(r *http.Request) string {
 		}
 		ip = xff[:i]
 	}
-	if net.ParseIP(ip) == nil {
+	if ip == "" || net.ParseIP(ip) == nil {
 		return ""
 	}
 	return ip
Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ func realIP(r *http.Request) string {`
`53`	`53`	`}`
`54`	`54`	`ip = xff[:i]`
`55`	`55`	`}`
`56`		`- if net.ParseIP(ip) == nil {`
	`56`	`+ if ip == "" \|\| net.ParseIP(ip) == nil {`
`57`	`57`	`return ""`
`58`	`58`	`}`
`59`	`59`	`return ip`