GET / HTTP/1.1
Host: [2602:ff16:3:0:1:133:0:1]:9999
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Accept: */*
Accept-Encoding: gzip