curl
curl linux command cheatsheet by Thamizhiniyan C S
Introduction
curl is a tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.
Syntax
curl [options...]
Important Flags
-#
Will display a progress meter for you to know how much the download has progressed.(or use --silent flag for a silent crawl)
-o
Saves the file downloaded with the name given following the flag.
-O
Saves the file with the name it was saved on the server.
-C -
This flag can resume your broken download without specifying an offset.
--limit-rate
Limits the download/upload rate to somewhere near the specified range (Units in 100K,100M,100G)
-u
Provides user authentication (Format: -u user:password)
-T
Helps in uploading the file to some server(In our case php-reverse-shell)
-x
If you have to view the page through a PROXY. You can specify the proxy server with this flag. (-x proxy.server.com -u user:password(Authentication for proxy server))
-I
(Caps i) Queries the header and not the webpage.
-A
You can specify user agent to make request to the server
-L
Tells curl to follow redirects
-b
This flag allows you to specify cookies while making a curl request(Cookie should be in the format "NAME1=VALUE1;NAME2=VALUE2")
-d
This flag can be used to POST data to the server(generally used for posting form data).
-X
To specify the HTTP method on the URL. (GET,POST,TRACE,OPTIONS)
Examples
cURL help menu
Basic GET request
Download file
Skip HTTPS (SSL) certificate validation
Print full HTTP request/response details
Send HEAD request (only prints response headers)
Print response headers and response body
Set User-Agent header
Set HTTP basic authorization credentials
Pass HTTP basic authorization credentials in the URL
Set request header
Pass GET parameters
Send POST request with POST data
Set request cookies
Send POST request with JSON data
APIs
Read entry
jq
Create (add) entry
Update (modify) entry
Delete entry
Last updated
Was this helpful?