For example the following types of authentication support this:
-http://user:password@www.domain.com
-ftp://user:password@ftp.domain.com
-pop3://user:password@mail.domain.com
+http://user:password@www.example.com
+ftp://user:password@ftp.example.com
+pop3://user:password@mail.example.com
The port is optional and when not specified libcurl will use the default port
-based on the determined or specified protocol: 80 for http, 21 for ftp and 25
-for smtp, etc. The following examples show how to specify the port:
+based on the determined or specified protocol: 80 for HTTP, 21 for FTP and 25
+for SMTP, etc. The following examples show how to specify the port:
-http://www.weirdserver.com:8080/ - This will connect to a web server using
-port 8080.
+http://www.example.com:8080/ - This will connect to a web server using port
+8080 rather than 80.
-smtp://mail.domain.com:587/ - This will connect to a smtp server on the
+smtp://mail.example.com:587/ - This will connect to a SMTP server on the
alternative mail port.
The path part of the URL is protocol specific and whilst some examples are
exact resource returned for each URL is entirely dependent on the server's
configuration.
-http://www.netscape.com - This gets the main page (index.html in this
-example) from Netscape's web server.
+http://www.example.com - This gets the main page from the web server.
-http://www.netscape.com/index.html - This returns the main page from Netscape
-by specifying the page to get.
+http://www.example.com/index.html - This returns the main page by explicitly
+requesting it.
-http://www.netscape.com/contactus/ - This returns the default document from
+http://www.example.com/contactus/ - This returns the default document from
the contactus directory.
.B FTP
listing for the directory specified. If the directory is omitted then
the directory listing for the root / home directory will be returned.
-ftp://cool.haxx.se - This retrieves the directory listing for our FTP server.
+ftp://ftp.example.com - This retrieves the directory listing for the root
+directory.
-ftp://cool.haxx.se/readme.txt - This downloads the file readme.txt from the
+ftp://ftp.example.com/readme.txt - This downloads the file readme.txt from the
root directory.
-ftp://cool.haxx.se/libcurl/readme.txt - This downloads readme.txt from the
+ftp://ftp.example.com/libcurl/readme.txt - This downloads readme.txt from the
libcurl directory.
-ftp://user:password@my.example.com/readme.txt - This retrieves the readme.txt
+ftp://user:password@ftp.example.com/readme.txt - This retrieves the readme.txt
file from the user's home directory. When a username and password is
specified, everything that is specified in the path part is relative to the
user's home directory. To retrieve files from the root directory or a
specified by prepending an additional forward slash to the beginning of the
path.
-ftp://user:password@my.example.com//readme.txt - This retrieves the readme.txt
+ftp://user:password@ftp.example.com//readme.txt - This retrieves the readme.txt
from the root directory when logging in as a specified user.
.B SMTP
your machine's fully qualified domain name, which you might have obtained
from an external function such as gethostname or getaddrinfo.
-smtp://mail.domain.com - This connects to the mail server at domain.com and
+smtp://mail.example.com - This connects to the mail server at example.com and
sends your local computer's host name in the HELO / EHLO command.
-smtp://mail.domain.com/client.domain.com - This will send client.domain.com in
-the HELO / EHLO command to the mail server at domain.com.
+smtp://mail.example.com/client.example.com - This will send client.example.com in
+the HELO / EHLO command to the mail server at example.com.
.B POP3
If the mailbox is not specified then a list of waiting messages is returned
instead.
-pop3://user:password@mail.domain.com - This lists the available messages
-pop3://user:password@mail.domain.com/1 - This retrieves the first message
+pop3://user:password@mail.example.com - This lists the available messages
+pop3://user:password@mail.example.com/1 - This retrieves the first message
.B SCP
list of hosts which do not use a proxy, if one is specified. The only
wildcard is a single * character, which matches all hosts, and effectively
disables the proxy. Each name in this list is matched as either a domain which
-contains the hostname, or the hostname itself. For example, local.com would
-match local.com, local.com:80, and www.local.com, but not www.notlocal.com.
+contains the hostname, or the hostname itself. For example, example.com
+would match example.com, example.com:80, and www.example.com, but not
+www.notanexample.com.
(Added in 7.19.4)
.IP CURLOPT_HTTPPROXYTUNNEL
Set the parameter to 1 to make the library tunnel all operations through a