On this post I would continue to add my daily use of Curl Commands
esumits-MacBook-Pro:~ esumit$ curl –help
Usage: curl [options…] <url>
Options: (H) means HTTP/HTTPS only, (F) means FTP only
–anyauth Pick “any” authentication method (H)
-a, –append Append to target file when uploading (F/SFTP)
–basic Use HTTP Basic Authentication (H)
–cacert FILE CA certificate to verify peer against (SSL)
–capath DIR CA directory to verify peer against (SSL)
-E, –cert CERT[:PASSWD] Client certificate file and password (SSL)
–cert-status Verify the status of the server certificate (SSL)
–cert-type TYPE Certificate file type (DER/PEM/ENG) (SSL)
–ciphers LIST SSL ciphers to use (SSL)
–compressed Request compressed response (using deflate or gzip)
-K, –config FILE Read config from FILE
–connect-timeout SECONDS Maximum time allowed for connection
–connect-to HOST1:PORT1:HOST2:PORT2 Connect to host (network level)
-C, –continue-at OFFSET Resumed transfer OFFSET
-b, –cookie STRING/FILE Read cookies from STRING/FILE (H)
-c, –cookie-jar FILE Write cookies to FILE after operation (H)
–create-dirs Create necessary local directory hierarchy
–crlf Convert LF to CRLF in upload
–crlfile FILE Get a CRL list in PEM format from the given file
-d, –data DATA HTTP POST data (H)
–data-raw DATA HTTP POST data, ‘@’ allowed (H)
–data-ascii DATA HTTP POST ASCII data (H)
–data-binary DATA HTTP POST binary data (H)
–data-urlencode DATA HTTP POST data url encoded (H)
–delegation STRING GSS-API delegation permission
–digest Use HTTP Digest Authentication (H)
–disable-eprt Inhibit using EPRT or LPRT (F)
–disable-epsv Inhibit using EPSV (F)
–dns-servers DNS server addrs to use: 1.1.1.1;2.2.2.2
–dns-interface Interface to use for DNS requests
–dns-ipv4-addr IPv4 address to use for DNS requests, dot notation
–dns-ipv6-addr IPv6 address to use for DNS requests, dot notation
-D, –dump-header FILE Write the received headers to FILE
–egd-file FILE EGD socket path for random data (SSL)
–engine ENGINE Crypto engine (use “–engine list” for list) (SSL)
–expect100-timeout SECONDS How long to wait for 100-continue (H)
-f, –fail Fail silently (no output at all) on HTTP errors (H)
–fail-early Fail on first transfer error, do not continue
–false-start Enable TLS False Start.
-F, –form CONTENT Specify HTTP multipart POST data (H)
–form-string STRING Specify HTTP multipart POST data (H)
–ftp-account DATA Account data string (F)
–ftp-alternative-to-user COMMAND String to replace “USER [name]” (F)
–ftp-create-dirs Create the remote dirs if not present (F)
–ftp-method [MULTICWD/NOCWD/SINGLECWD] Control CWD usage (F)
–ftp-pasv Use PASV/EPSV instead of PORT (F)
-P, –ftp-port ADR Use PORT with given address instead of PASV (F)
–ftp-skip-pasv-ip Skip the IP address for PASV (F)
–ftp-pret Send PRET before PASV (for drftpd) (F)
–ftp-ssl-ccc Send CCC after authenticating (F)
–ftp-ssl-ccc-mode ACTIVE/PASSIVE Set CCC mode (F)
–ftp-ssl-control Require SSL/TLS for FTP login, clear for transfer (F)
-G, –get Send the -d data with a HTTP GET (H)
-g, –globoff Disable URL sequences and ranges using {} and []
-H, –header LINE Pass custom header LINE to server (H)
-I, –head Show document info only
-h, –help This help text
–hostpubmd5 MD5 Hex-encoded MD5 string of the host public key. (SSH)
-0, –http1.0 Use HTTP 1.0 (H)
–http1.1 Use HTTP 1.1 (H)
–http2 Use HTTP 2 (H)
–http2-prior-knowledge Use HTTP 2 without HTTP/1.1 Upgrade (H)
–ignore-content-length Ignore the HTTP Content-Length header
-i, –include Include protocol headers in the output (H/F)
-k, –insecure Allow connections to SSL sites without certs (H)
–interface INTERFACE Use network INTERFACE (or address)
-4, –ipv4 Resolve name to IPv4 address
-6, –ipv6 Resolve name to IPv6 address
-j, –junk-session-cookies Ignore session cookies read from file (H)
–keepalive-time SECONDS Wait SECONDS between keepalive probes
–key KEY Private key file name (SSL/SSH)
–key-type TYPE Private key file type (DER/PEM/ENG) (SSL)
–krb LEVEL Enable Kerberos with security LEVEL (F)
–libcurl FILE Dump libcurl equivalent code of this command line
–limit-rate RATE Limit transfer speed to RATE
-l, –list-only List only mode (F/POP3)
–local-port RANGE Force use of RANGE for local port numbers
-L, –location Follow redirects (H)
–location-trusted Like ‘–location’, and send auth to other hosts (H)
–login-options OPTIONS Server login options (IMAP, POP3, SMTP)
-M, –manual Display the full manual
–mail-from FROM Mail from this address (SMTP)
–mail-rcpt TO Mail to this/these addresses (SMTP)
–mail-auth AUTH Originator address of the original email (SMTP)
–max-filesize BYTES Maximum file size to download (H/F)
–max-redirs NUM Maximum number of redirects allowed (H)
-m, –max-time SECONDS Maximum time allowed for the transfer
–metalink Process given URLs as metalink XML file
–negotiate Use HTTP Negotiate (SPNEGO) authentication (H)
-n, –netrc Must read .netrc for user name and password
–netrc-optional Use either .netrc or URL; overrides -n
–netrc-file FILE Specify FILE for netrc
-:, –next Allows the following URL to use a separate set of options
–no-alpn Disable the ALPN TLS extension (H)
-N, –no-buffer Disable buffering of the output stream
–no-keepalive Disable keepalive use on the connection
–no-npn Disable the NPN TLS extension (H)
–no-sessionid Disable SSL session-ID reusing (SSL)
–noproxy List of hosts which do not use proxy
–ntlm Use HTTP NTLM authentication (H)
–ntlm-wb Use HTTP NTLM authentication with winbind (H)
–oauth2-bearer TOKEN OAuth 2 Bearer Token (IMAP, POP3, SMTP)
-o, –output FILE Write to FILE instead of stdout
–pass PASS Pass phrase for the private key (SSL/SSH)
–path-as-is Do not squash .. sequences in URL path
–pinnedpubkey FILE/HASHES Public key to verify peer against (SSL)
–post301 Do not switch to GET after following a 301 redirect (H)
–post302 Do not switch to GET after following a 302 redirect (H)
–post303 Do not switch to GET after following a 303 redirect (H)
–preproxy [PROTOCOL://]HOST[:PORT] Proxy before HTTP(S) proxy
-#, –progress-bar Display transfer progress as a progress bar
–proto PROTOCOLS Enable/disable PROTOCOLS
–proto-default PROTOCOL Use PROTOCOL for any URL missing a scheme
–proto-redir PROTOCOLS Enable/disable PROTOCOLS on redirect
-x, –proxy [PROTOCOL://]HOST[:PORT] Use proxy on given port
–proxy-anyauth Pick “any” proxy authentication method (H)
–proxy-basic Use Basic authentication on the proxy (H)
–proxy-digest Use Digest authentication on the proxy (H)
–proxy-cacert FILE CA certificate to verify peer against for proxy (SSL)
–proxy-capath DIR CA directory to verify peer against for proxy (SSL)
–proxy-cert CERT[:PASSWD] Client certificate file and password for proxy (SSL)
–proxy-cert-type TYPE Certificate file type (DER/PEM/ENG) for proxy (SSL)
–proxy-ciphers LIST SSL ciphers to use for proxy (SSL)
–proxy-crlfile FILE Get a CRL list in PEM format from the given file for proxy
–proxy-insecure Allow connections to SSL sites without certs for proxy (H)
–proxy-key KEY Private key file name for proxy (SSL)
–proxy-key-type TYPE Private key file type for proxy (DER/PEM/ENG) (SSL)
–proxy-negotiate Use HTTP Negotiate (SPNEGO) authentication on the proxy (H)
–proxy-ntlm Use NTLM authentication on the proxy (H)
–proxy-header LINE Pass custom header LINE to proxy (H)
–proxy-pass PASS Pass phrase for the private key for proxy (SSL)
–proxy-ssl-allow-beast Allow security flaw to improve interop for proxy (SSL)
–proxy-tlsv1 Use TLSv1 for proxy (SSL)
–proxy-tlsuser USER TLS username for proxy
–proxy-tlspassword STRING TLS password for proxy
–proxy-tlsauthtype STRING TLS authentication type for proxy (default SRP)
–proxy-service-name NAME SPNEGO proxy service name
–service-name NAME SPNEGO service name
-U, –proxy-user USER[:PASSWORD] Proxy user and password
–proxy1.0 HOST[:PORT] Use HTTP/1.0 proxy on given port
-p, –proxytunnel Operate through a HTTP proxy tunnel (using CONNECT)
–pubkey KEY Public key file name (SSH)
-Q, –quote CMD Send command(s) to server before transfer (F/SFTP)
–random-file FILE File for reading random data from (SSL)
-r, –range RANGE Retrieve only the bytes within RANGE
–raw Do HTTP “raw”; no transfer decoding (H)
-e, –referer Referer URL (H)
-J, –remote-header-name Use the header-provided filename (H)
-O, –remote-name Write output to a file named as the remote file
–remote-name-all Use the remote file name for all URLs
-R, –remote-time Set the remote file’s time on the local output
-X, –request COMMAND Specify request command to use
–resolve HOST:PORT:ADDRESS Force resolve of HOST:PORT to ADDRESS
–retry NUM Retry request NUM times if transient problems occur
–retry-connrefused Retry on connection refused (use with –retry)
–retry-delay SECONDS Wait SECONDS between retries
–retry-max-time SECONDS Retry only within this period
–sasl-ir Enable initial response in SASL authentication
-S, –show-error Show error. With -s, make curl show errors when they occur
-s, –silent Silent mode (don’t output anything)
–socks4 HOST[:PORT] SOCKS4 proxy on given host + port
–socks4a HOST[:PORT] SOCKS4a proxy on given host + port
–socks5 HOST[:PORT] SOCKS5 proxy on given host + port
–socks5-hostname HOST[:PORT] SOCKS5 proxy, pass host name to proxy
–socks5-gssapi-service NAME SOCKS5 proxy service name for GSS-API
–socks5-gssapi-nec Compatibility with NEC SOCKS5 server
-Y, –speed-limit RATE Stop transfers below RATE for ‘speed-time’ secs
-y, –speed-time SECONDS Trigger ‘speed-limit’ abort after SECONDS (default: 30)
–ssl Try SSL/TLS (FTP, IMAP, POP3, SMTP)
–ssl-reqd Require SSL/TLS (FTP, IMAP, POP3, SMTP)
-2, –sslv2 Use SSLv2 (SSL)
-3, –sslv3 Use SSLv3 (SSL)
–ssl-allow-beast Allow security flaw to improve interop (SSL)
–ssl-no-revoke Disable cert revocation checks (WinSSL)
–stderr FILE Where to redirect stderr (use “-” for stdout)
–suppress-connect-headers Suppress proxy CONNECT response headers
–tcp-nodelay Use the TCP_NODELAY option
–tcp-fastopen Use TCP Fast Open
-t, –telnet-option OPT=VAL Set telnet option
–tftp-blksize VALUE Set TFTP BLKSIZE option (must be >512)
–tftp-no-options Do not send TFTP options requests
-z, –time-cond TIME Transfer based on a time condition
-1, –tlsv1 Use >= TLSv1 (SSL)
–tlsv1.0 Use TLSv1.0 (SSL)
–tlsv1.1 Use TLSv1.1 (SSL)
–tlsv1.2 Use TLSv1.2 (SSL)
–tlsv1.3 Use TLSv1.3 (SSL)
–tls-max VERSION Use TLS up to VERSION (SSL)
–trace FILE Write a debug trace to FILE
–trace-ascii FILE Like –trace, but without hex output
–trace-time Add time stamps to trace/verbose output
–tr-encoding Request compressed transfer encoding (H)
-T, –upload-file FILE Transfer FILE to destination
–url URL URL to work with
-B, –use-ascii Use ASCII/text transfer
-u, –user USER[:PASSWORD] Server user and password
–tlsuser USER TLS username
–tlspassword STRING TLS password
–tlsauthtype STRING TLS authentication type (default: SRP)
–unix-socket PATH Connect through this Unix domain socket
–abstract-unix-socket PATH Connect to an abstract Unix domain socket
-A, –user-agent STRING Send User-Agent STRING to server (H)
-v, –verbose Make the operation more talkative
-V, –version Show version number and quit
-w, –write-out FORMAT Use output FORMAT after completion
–xattr Store metadata in extended file attributes
-q, –disable Disable .curlrc (must be first parameter)
esumits-MacBook-Pro:~ esumit$
Sumit Arora 