% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 152.0.0.20:80...
* Connected to 152.0.0.20 (152.0.0.20) port 80
> HEAD / HTTP/1.1
> Host: 152.0.0.20
> User-Agent: curl/8.9.1
> Accept: */*
> 
* Request completely sent off
< HTTP/1.1 200 OK
< Server: Mini web server 1.0 ZTE corp 2005.
< Content-Type: text/html; charset=UTF-8
< Accept-Ranges: bytes
< Connection: close
< Cache-Control: no-cache,no-store
< Content-Length: 5540
< 

  0  5540    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
* shutting down connection #0
HTTP/1.1 200 OK
Server: Mini web server 1.0 ZTE corp 2005.
Content-Type: text/html; charset=UTF-8
Accept-Ranges: bytes
Connection: close
Cache-Control: no-cache,no-store
Content-Length: 5540