Added in 7.67.0. In general, all boolean options are enabled with --option and yet again disabled with --no-option. Note that these letters are not normal legal URL contents but they should be encoded according to the URI standard. LDAP cannot bind. Share . This progress bar draws a single line of '#' characters across the screen and shows a percentage if the transfer size is known. Currently, the URL is stored in the xdg.origin.url attribute and, for HTTP, the content type is stored in the mime_type attribute. Happy eyeballs is an algorithm that attempts to connect to both IPv4 and IPv6 addresses for dual-stack hosts, preferring IPv6 first for the number of milliseconds. Provide the IPv6 zone index in the URL with an escaped percentage sign and the interface name. The mode operand is an octal integer mode number. (Added in 7.15.4). If this option is set, the default curves list built into openssl will be ignored. Bouclème Curl Defining Gel. The socket is used to seed the random engine for SSL connections. (HTTPS) Disable the NPN TLS extension. See also --cert-type, --key and --key-type. For example 1k is 1024 bytes. (SMTP) Specify a single address. If curl is built against the NSS SSL library, the NSS PEM PKCS#11 module (libnsspem.so) needs to be available for this option to work properly. SSLv2 is widely considered insecure (see RFC 6176). curl does not parse or otherwise "understand" the content it gets or writes as output. curl-library. If you want the server to be able to choose the file name refer to -J, --remote-header-name which can be used in addition to this option. FTP weird PASV reply, Curl couldn't parse the reply sent to the PASV request. Wash & Scrub Detox Pro-Biotic (237ml) £23.00. £10.00 - £24.00. Read up on TLS 1.3 cipher suite details on this URL: This option is currently used only when curl is built to use OpenSSL 1.1.1 or later. Function not found. There are a vast amount of use-cases for curl, such as: Client URL, or cURL, is a library and command-line utility for transferring data between systems. The range "command" didn't work. Unlike for FTP, curl interprets SFTP quote commands itself before sending them to the server. The NTLM authentication method was designed by Microsoft and is used by IIS web servers. Use the specified SOCKS5 proxy (and let the proxy resolve the host name). Lush's New Line For Black Hair Includes Six Eco- & Curl-Friendly Staples. When used with -L, --location you can append ";auto" to the -e, --referer URL to make curl automatically set the previous URL when it follows a Location: header. (IMAP POP3 SMTP HTTP) Specify the Bearer Token for OAUTH 2.0 server authentication. Include the HTTP response headers in the output. curl also supports "globbing" of the -T, --upload-file argument, meaning that you can upload multiple files to a single URL by using the same URL globbing style supported in the URL, like this: curl --upload-file "{file1,file2}" http://www.example.com, curl -T "img[1-1000].png" ftp://ftp.example.com/upload/. Curl couldn't write data to a local filesystem or similar. Use the specified SOCKS proxy before connecting to an HTTP or HTTPS -x, --proxy. The server sent data curl couldn't parse. libcurl is the library curl is using to … This option allows curl to proceed and operate even for server connections otherwise considered insecure. Tells curl to use HTTP version 3 directly to the host and port number used in the URL. So, it could look similar to this: When curl is invoked, it (unless -q, --disable is used) checks for a default config file and uses it if found. That is NO_PROXY=direct.example.com curl -x http://proxy.example.com http://direct.example.com accesses the target URL directly, and NO_PROXY=direct.example.com curl -x http://proxy.example.com http://somewhere.example.com accesses the target URL through the proxy. This is typically used for FTP on Unix. --eprt can be used to explicitly enable EPRT again and --no-eprt is an alias for --disable-eprt. (Added in 7.52.0), redirect_url When an HTTP request was made without -L, --location to follow redirects (or when --max-redir is met), this variable will show the actual URL a redirect would have gone to. Particularly useful when wanting to issue HTTP requests without leading slash or other data that doesn't follow the regular URL pattern, like "OPTIONS *". (Added in 7.63.0), stdout From this point on, the -w, --write-out output will be written to standard output. Protocols are evaluated left to right, are comma separated, and are each a protocol name or 'all', optionally prefixed by zero or more modifiers. Aborted by callback. It is currently effective on operating systems offering the TCP_KEEPIDLE and TCP_KEEPINTVL socket options (meaning Linux, recent AIX, HP-UX and more). You can tell curl to not change POST requests to GET after a 30x response by using the dedicated options for that: --post301, --post302 and --post303. See also --mail-rcpt and --mail-auth. To specify the domain name use either Down-Level Logon Name or UPN (User Principal Name) formats. (Added in 7.12.3). To encode blanks in the string, surround the string with single quote marks. Disabling EPSV only changes the passive behavior. FTP quote error. This will be used to specify the authentication address (identity) of a submitted message that is being relayed to another server. (HTTP) This option tells the -O, --remote-name option to use the server-specified Content-Disposition filename instead of extracting a filename from the URL. time_redirect The time, in seconds, it took for all redirection steps including name lookup, connect, pretransfer and transfer before the final transaction was started. Delegates if and only if the OK-AS-DELEGATE flag is set in the Kerberos service ticket, which is a matter of realm policy. If you want to switch to active mode you need to use -P, --ftp-port. Terminates the connection if the server doesn't support SSL/TLS. (Added in 7.12.3), onerror The rest of the output is only shown if the transfer returned a non-zero error (Added in 7.75.0), proxy_ssl_verify_result The result of the HTTPS proxy's SSL peer certificate verification that was requested. You may use this option as many times as the number of URLs you have. If the server is accessed using IPv6, this option will have no effect as EPRT is necessary then. Retry on any error. If you want to switch to passive mode you need to not use -P, --ftp-port or force it with --ftp-pasv. This should make it a bit easier to follow. Many of the options require an additional value next to them. Use --engine list to print a list of build-time supported engines. For curl-developers only! Prerequisites. You need --proxy-header to send custom headers intended for a HTTP proxy. No ads, no sponsored content. This option overrides -n, --netrc. This option controls transfers and thus will not affect slow connects etc. Once you are done practicing the command line options discussed in this tutorial, you can head to curl's manual page to know more about it. Support for resolving with wildcard was added in 7.64.0. If not told otherwise, curl writes the received data to stdout. Tells curl to use username/password authentication when connecting to a SOCKS5 proxy. ssl_verify_result The result of the SSL peer certificate verification that was requested. If the file system does not support extended attributes, a warning is issued. (HTTP) This posts data, similar to the other -d, --data options with the exception that this performs URL-encoding. This includes time_pretransfer and also the time the server needed to calculate the result. (Added in 7.12.3), num_headers The number of response headers in the most recent request (restarted at each redirect). Since 7.45.0 guessing can be disabled by setting a default protocol, see --proto-default for details. See also -E, --cert, --key and --key-type. Unrecognized and unsupported proxy protocols cause an error since 7.52.0. This is one of the often forgotten little gems in the curl arsenal of command line options. It has to feature the necessary set of headers and mail body formatted correctly by the user as curl will not transcode nor encode it further in any way. If this option is set, the default capath value will be ignored, and if it is used several times, the last one will be used. If no '=' symbol is used in the argument, it is instead treated as a filename to read previously stored cookie from. It has no effect on debug options such as -v, --verbose or --trace, or any statistics. Same as --tlspassword but used in HTTPS proxy context. Sending a '-u :' is enough as the user name and password from the -u, --user option aren't actually used. Use this in preference to -F, --form if there's any possibility that the string value may accidentally trigger the '@' or '<' features of -F, --form. A single number works as well, but do note that it increases the risk of failure since the port may not be available. Unconditionally allow the server to delegate. Prefix the command with an asterisk (*) to make curl continue even if the command fails as by default curl will stop at first failure. You can also tell curl what Content-Type to use by using 'type=', in a manner similar to: curl -F "web=@index.html;type=text/html" example.com, curl -F "name=daniel;type=text/foo" example.com. Because of its general availability, it is a great choice for when you need to download a file to your local system, especially in a server environment. Weird server reply. (HTTP) If the server reports that the requested page has moved to a different location (indicated with a Location: header and a 3XX response code), this option will make curl redo the request on the new place. If this option is used several times, the last one will be used. If you use a Windows SSPI-enabled curl binary and perform Kerberos V5, Negotiate, NTLM or Digest authentication then you can tell curl to select the user name and password from your environment by specifying a single colon with this option: "-u :". http_proxy is an exception as it is only available in lower case. The windows version of curl will automatically look for a CA certs file named ´curl-ca-bundle.crt´, either in the same directory as curl.exe, or in the Current Working Directory, or in any folder along your PATH. If the response code was any other 3xx code, curl will re-send the following request using the same unmodified method. If the nickname contains ":", it needs to be preceded by "\" so that it is not recognized as password delimiter. curl will make sure that each header you add/replace is sent with the proper end-of-line marker, you should thus not add that as a part of the header content: do not add newlines or carriage returns, they will only mess things up for you. Fails the transfer if the server doesn't support SSL/TLS. Use the specified SOCKS5 proxy - but resolve the host name locally. Automatic decompression of compressed files over HTTP is supported. All variables are specified as %{variable_name} and to output a normal % you just write them as %%. This option does not change the default proxy protocol (http). If the file requested is larger than this value, the transfer will not start and curl will return with exit code 63. Global options include -v, --verbose, --trace, --trace-ascii and --fail-early. For correct results, make sure that specified file contains only a single line with a desired ETag. Header key Header value remove. (TLS) Tells curl to use false start during the TLS handshake. Disables the use of keepalive messages on the TCP connection. See also --disable-epsv. Added in 7.18.0. The minimum acceptable version is set by tlsv1.0, tlsv1.1, tlsv1.2 or tlsv1.3. The data will be appended to the URL with a '?' For example, if you specify two URLs on the same command line, you can use it like this: and the order of the -o options and the URLs doesn't matter, just that the first -o is for the first URL and so on, so the above command line can also be written as. Comma-separated list of hosts which do not use a proxy, if one is specified. It will still output the data you ask for, potentially even to the terminal/stdout unless you redirect it. Consider it a sort of /etc/hosts alternative provided on the command line. If you want the data to be treated as arbitrary binary data by the server then set the content-type to octet-stream: -H "Content-Type: application/octet-stream". If used with HTTP, curl will enable user authentication. curl, short for "Client for URLs", is a command line tool for transferring data using various protocols.This tool has applications in many household products such as tablets, printers, cars, routers, etc. This option will make curl fail if a QUIC connection cannot be established, it cannot fall back to a lower HTTP version on its own. (HTTP) Connect through this Unix domain socket, instead of using the network. Added in 7.69.0. This command line option will activate the cookie engine that makes curl record and use cookies. Add to cart. (FTP SFTP) Send an arbitrary command to the remote FTP or SFTP server. Each -T, --upload-file + URL pair specifies what to upload and to where. SFTP is a binary protocol. You can thus use --buffer to enforce the buffering. This will make curl load data from the given file (including any newlines), URL-encode that data and pass it on in the POST. Our online surf shop has apparel, gear, and other accessories so you can be ready for any adventure. This option overrides --tlsv1.1 and --tlsv1.2 and --tlsv1.3. To make commands be sent after curl has changed the working directory, just before the transfer command(s), prefix the command with a '+' (this is only supported for FTP). Read more → A Guide to REST-assured. The mkdir command creates the directory named by the directory_name operand. Added in 7.25.0. Normally curl will squash or merge them according to standards but with this option set you tell it not to do that. This option overrides any previous use of -x, --proxy, as they are mutually exclusive. Learn how to create a Postman Collection that can test a REST API. Curl writes all cookies from its in-memory cookie storage to the given file at the end of operations. Passive is the internal default behavior, but using this option can be used to override a previous -P, --ftp-port option. This option was formerly known as --ftp-ssl (Added in 7.11.0). The proxy host can be specified the exact same way as the proxy environment variables, including the protocol prefix (http://) and the embedded user + password. Specify the filename to -K, --config as '-' to make curl read the file from stdin. Note: Some FTP servers list only files in their response to NLST; they do not include sub-directories and symbolic links. Easily generate curl command lines to test your new shining API or whatever! 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