Tutorial Curl - Ottieni solo intestazioni [ Passo dopo passo ]

Vuoi imparare a usare il comando CURL per ottenere solo le intestazioni dell’URL richiesto? In questo tutorial, ti mostreremo tutti i passaggi necessari per ottenere le intestazioni del sito web utilizzando il comando CURL su un computer che esegue Ubuntu Linux.

• Ubuntu 20
• Ubuntu 19
• Ubuntu 18

Curl tutorial – Ottieni solo intestazioni

Utilizzare il comando Curl per ottenere solo le intestazioni di un URL.

Copy to Clipboard

Ecco l’output del comando.

Copy to Clipboard

Nel nostro esempio, l’intestazione ottenuto mostra che è presente un reindirizzamento URL.

Utilizzare il comando seguente per forzare CURL a seguire i reindirizzamenti URL.

Copy to Clipboard

Ecco l’output del comando.

Copy to Clipboard

HTTP/1.1 301 Moved Permanently
Date: Fri, 02 Oct 2020 01:29:17 GMT
Server: Apache/2.4.29 (Ubuntu)
Location: https://techexpert.tips/
Cache-Control: max-age=86400
Expires: Sat, 03 Oct 2020 01:29:17 GMT
Content-Type: text/html; charset=iso-8859-1

HTTP/2 200
date: Fri, 02 Oct 2020 01:29:18 GMT
server: Apache/2.4.29 (Ubuntu)
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
expires: Thu, 01 Oct 2020 16:17:46 GMT
pragma: public
cache-control: max-age=0, public
x-powered-by: W3 Total Cache/0.15.0
strict-transport-security: max-age=63072000; includeSubdomains;
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
etag: "a54f9c2e27d6ff55fe55d995184fff17"
access-control-allow-origin: *
content-type: text/html; charset=UTF-8

Facoltativamente, è possibile salvare le intestazioni URL in un file di log.

Copy to Clipboard

Ecco il contenuto del file.

Copy to Clipboard

HTTP/1.1 301 Moved Permanently
Date: Fri, 02 Oct 2020 01:34:51 GMT
Server: Apache/2.4.29 (Ubuntu)
Location: https://techexpert.tips/
Cache-Control: max-age=86400
Expires: Sat, 03 Oct 2020 01:34:51 GMT
Content-Type: text/html; charset=iso-8859-1

HTTP/2 200
date: Fri, 02 Oct 2020 01:34:51 GMT
server: Apache/2.4.29 (Ubuntu)
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
expires: Thu, 01 Oct 2020 16:17:46 GMT
pragma: public
cache-control: max-age=0, public
x-powered-by: W3 Total Cache/0.15.0
strict-transport-security: max-age=63072000; includeSubdomains;
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
etag: "a54f9c2e27d6ff55fe55d995184fff17"
access-control-allow-origin: *
content-type: text/html; charset=UTF-8

Congratulazioni! Si è appreso come utilizzare il comando CURL per ottenere le intestazioni URL.

Tutorial Curl – Ottieni intestazioni HTTPS

Utilizzare il comando Curl per ottenere le intestazioni da un URL HTTPS.

Copy to Clipboard

Ecco l’output del comando.

Copy to Clipboard

Utilizzare il comando seguente per forzare CURL per includere la negoziazione HTTPS.

Copy to Clipboard

Ecco l’output del comando.

Copy to Clipboard

*   Trying 54.189.219.43:443...
* TCP_NODELAY set
* Connected to techexpert.tips (54.189.219.43) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use h2
* Server certificate:
*  subject: OU=Domain Control Validated; CN=techexpert.tips
*  start date: Oct  3 11:28:14 2019 GMT
*  expire date: Dec  2 22:46:29 2020 GMT
*  issuer: C=US; ST=Arizona; L=Scottsdale; O=GoDaddy.com, Inc.; OU=http://certs.godaddy.com/repository/; CN=Go Daddy Secure Certificate Authority - G2
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x55ae42635d60)
> HEAD / HTTP/2
> Host: techexpert.tips
> user-agent: curl/7.68.0
> accept: */*
>
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!
< HTTP/2 200
HTTP/2 200
< date: Fri, 02 Oct 2020 02:11:53 GMT
date: Fri, 02 Oct 2020 02:11:53 GMT
< server: Apache/2.4.29 (Ubuntu)
server: Apache/2.4.29 (Ubuntu)
< link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
link: <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink, <https://techexpert.tips/wp-json/>; rel="https://api.w.org/", <https://techexpert.tips/wp-json/wp/v2/pages/11822>; rel="alternate"; type="application/json", <https://techexpert.tips/>; rel=shortlink
< expires: Thu, 01 Oct 2020 16:17:46 GMT
expires: Thu, 01 Oct 2020 16:17:46 GMT
< pragma: public
pragma: public
< cache-control: max-age=0, public
cache-control: max-age=0, public
< x-powered-by: W3 Total Cache/0.15.0
x-powered-by: W3 Total Cache/0.15.0
< strict-transport-security: max-age=63072000; includeSubdomains;
strict-transport-security: max-age=63072000; includeSubdomains;
< last-modified: Thu, 01 Oct 2020 15:17:46 GMT
last-modified: Thu, 01 Oct 2020 15:17:46 GMT
< etag: "a54f9c2e27d6ff55fe55d995184fff17"
etag: "a54f9c2e27d6ff55fe55d995184fff17"
< access-control-allow-origin: *
access-control-allow-origin: *
< content-type: text/html; charset=UTF-8
content-type: text/html; charset=UTF-8

<
* Connection #0 to host techexpert.tips left intact

Congratulazioni! Si è appreso come utilizzare il comando CURL per ottenere le intestazioni URL HTTPS.

Curl – Ottieni solo intestazioni

Curl – Ottieni solo intestazioni

Curl tutorial – Ottieni solo intestazioni

Tutorial Curl – Ottieni intestazioni HTTPS

Curl – Ottieni solo intestazioni

Curl – Ottieni solo intestazioni

Curl tutorial – Ottieni solo intestazioni

Tutorial Curl – Ottieni intestazioni HTTPS

Related Posts