Usage: curl [options...] 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-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 Specify which config file to read --connect-timeout SECONDS Maximum time allowed for connection

-C, --continue-at OFFSET Resumed transfer offset

-b, --cookie STRING/FILE String or file to read cookies from (H)

-c, --cookie-jar FILE Write cookies to this 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-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)

-D, --dump-header FILE Write the headers to this file --egd-file FILE EGD socket path for random data (SSL) --engine ENGINGE Crypto engine (SSL). "--engine list" for list

-f, --fail Fail silently (no output at all) on HTTP errors (H)

-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 Custom header to pass 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) --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 Specify network interface/address to use

-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 Interval 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 specified security level (F) --libcurl FILE Dump libcurl equivalent code of this command line --limit-rate RATE Limit transfer speed to this rate

-l, --list-only List only names of an FTP directory (F) --local-port RANGE Force use of these local port numbers

-L, --location Follow redirects (H) --location-trusted like --location and send auth to other hosts (H)

-M, --manual Display the full manual --mail-from FROM Mail from this address --mail-rcpt TO Mail to this receiver(s) --mail-auth AUTH Originator address of the original email --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 Authentication (H)

-n, --netrc Must read .netrc for user name and password --netrc-optional Use either .netrc or URL; overrides -n --netrc-file FILE Set up the netrc filename to use

-N, --no-buffer Disable buffering of the output stream --no-keepalive Disable keepalive use on the connection --no-sessionid Disable SSL session-ID reusing (SSL) --noproxy List of hosts which do not use proxy --ntlm Use HTTP NTLM authentication (H)

-o, --output FILE Write output to instead of stdout --pass PASS Pass phrase for the private key (SSL/SSH) --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)

-#, --progress-bar Display transfer progress as a progress bar --proto PROTOCOLS Enable/disable specified protocols --proto-redir PROTOCOLS Enable/disable specified 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-negotiate Use Negotiate authentication on the proxy (H) --proxy-ntlm Use NTLM authentication on the proxy (H)

-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 a range --raw Do HTTP "raw", without any 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-delay SECONDS When retrying, wait this many seconds between each --retry-max-time SECONDS Retry only within this period

-S, --show-error Show error. With -s, make curl show errors when they occur

-s, --silent Silent mode. Don't output anything 静音模式。 不要输出任何东西 --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 gssapi --socks5-gssapi-nec Compatibility with NEC SOCKS5 server

-Y, --speed-limit RATE Stop transfers below speed-limit for 'speed-time' secs

-y, --speed-time SECONDS Time for trig speed-limit abort. Defaults to 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) --stderr FILE Where to redirect stderr. - means stdout --tcp-nodelay Use the TCP_NODELAY option

-t, --telnet-option OPT=VAL Set telnet option --tftp-blksize VALUE Set TFTP BLKSIZE option (must be >512)

-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) --trace FILE Write a debug trace to the given file --trace-ascii FILE Like --trace but without the 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)

-A, --user-agent STRING User-Agent to send to server (H)

-v, --verbose Make the operation more talkative

-V, --version Show version number and quit

-w, --write-out FORMAT What to output after completion --xattr Store metadata in extended file attributes

-q If used as the first parameter disables .curlrc