title: socks5 authentication state for any user
body: <p>in socks5 server with RFC1929 (user/pass authenticate) how to know request of a authenticate user and tracking it ?
  i mean is after primary socks5 calling (client /server) when a authenticate user want to request of socks5 server for get data of resource on web must be user/pass passed again or first calling is ok and socks5 server can be take the state of user for stand to authenticate and once authentication calling is OK  ?</p>