5 \___|\___/|_| \_\_____|
11 - multiple URLs in a single command line
12 - range "globbing" support: [0-13], {one,two,three}
13 - multiple file upload on a single command line
14 - custom maximum transfer rate
18 - full URL syntax with no length limit
19 - custom maximum download time
20 - custom least download speed acceptable
21 - custom output result after completion
22 - guesses protocol from host name unless specified
24 - progress bar/time specs while downloading
25 - "standard" proxy environment variables support
26 - compiles on win32 (reported builds on 40+ operating systems)
27 - selectable network interface for outgoing traffic
28 - IPv6 support on unix and Windows
29 - persistent connections
31 - supports user name + password in proxy environment variables
32 - operations through proxy "tunnel" (using CONNECT)
33 - supports large files (>2GB and >4GB) both upload/download
34 - replaceable memory functions (malloc, free, realloc, etc)
35 - asynchronous name resolving (*6)
36 - both a push and a pull style interface
37 - international domain names (*11)
40 - HTTP/1.1 compliant (optionally uses 1.0)
46 - multipart formpost (RFC1867-style)
47 - authentication: Basic, Digest, NTLM (*9), GSS-Negotiate/Negotiate (*3) and
48 SPNEGO (*4) to server and proxy
49 - resume (both GET and PUT)
51 - maximum amount of redirects to follow
53 - cookie get/send fully parsed
54 - reads/writes the netscape cookie file format
55 - custom headers (replace/remove internally generated headers)
56 - custom user-agent string
57 - custom referer string
59 - proxy authentication
62 - retrieve file modification date
63 - Content-Encoding support for deflate and gzip
64 - "Transfer-Encoding: chunked" support for "uploads"
65 - data compression (*12)
68 - (all the HTTP features)
69 - using client certificates
70 - verify server certificate
72 - select desired encryption
73 - force usage of a specific SSL version (SSLv2 (*7), SSLv3 (*10) or TLSv1)
78 - kerberos4 (*5), kerberos5 (*3)
79 - active/passive using PORT, EPRT, PASV or EPSV
80 - single file size information (compare to HTTP HEAD)
83 - dir listing names-only
86 - upload via http-proxy as HTTP PUT
89 - custom ftp commands (before and/or after the transfer)
90 - simple "range" support
92 - all operations can be tunneled through a http-proxy
93 - customizable to retrieve file modification date
97 - implicit ftps:// support that use SSL on both connections
98 - explicit "AUTH TLS" and "AUTH SSL" usage to "upgrade" plain ftp://
99 connection to use SSL for both or one of the connections
102 - both password and public key auth
105 - both password and public key auth
106 - with custom commands sent before/after the transfer
112 - connection negotiation
113 - custom telnet options
117 - full LDAP URL support
120 - extended DICT URL support
128 - authentication: Plain, Login, CRAM-MD5, Digest-MD5 and NTLM (*9)
132 - mail auth support for trusted server-to-server relaying
133 - multiple recipients
137 - implicit smtps:// support
138 - explicit "STARTTLS" usage to "upgrade" plain smtp:// connections to use SSL
142 - authentication: Clear Text, APOP and SASL
143 - SASL based authentication: Plain, Login, CRAM-MD5, Digest-MD5 and
147 - enhanced command support for: CAPA, DELE, TOP, STAT, UIDL and NOOP
151 - implicit pop3s:// support
152 - explicit "STLS" usage to "upgrade" plain pop3:// connections to use SSL
156 - authentication: Clear Text and SASL
158 - basic fetch e-mail support
159 - SASL based authentication: Plain, Login, CRAM-MD5, Digest-MD5 and
164 - implicit imaps:// support
165 - explicit "STARTTLS" usage to "upgrade" plain imap:// connections to use SSL
171 *1 = requires OpenSSL, GnuTLS, NSS, yassl, axTLS, PolarSSL, schannel (native
172 Windows), Secure Transport (native iOS/OS X) or qssl (native IBM i)
173 *2 = requires OpenLDAP
174 *3 = requires a GSSAPI-compliant library, such as Heimdal or similar.
175 *4 = requires FBopenssl
176 *5 = requires a krb4 library, such as the MIT one or similar.
178 *7 = requires OpenSSL, NSS, qssl, schannel, or Secure Transport; GnuTLS, for
179 example, only supports SSLv3 and TLSv1
180 *8 = requires libssh2
181 *9 = requires OpenSSL, GnuTLS, NSS, yassl, Secure Transport, or SSPI (native
183 *10 = requires any of the SSL libraries in (*1) above other than axTLS, which
184 does not support SSLv3
185 *11 = requires libidn or Windows