- progress bar/time specs while downloading
- "standard" proxy environment variables support
- config file support
- - compiles on win32 (reported built on 40+ operating systems)
+ - compiles on win32 (reported builds on 40+ operating systems)
- redirectable stderr
- - use selected network interface for outgoing traffic
+ - selectable network interface for outgoing traffic
- IPv6 support
- persistant connections
- socks5 support
+ - supports user name + password in proxy environment variables
+ - operations through proxy "tunnel" (using CONNECT)
HTTP
- - HTTP/1.1 compliant
+ - HTTP/1.1 compliant (optionally uses 1.0)
- GET
- PUT
- HEAD
- POST
- - multipart POST
- - authentication (Basic and Digest)
+ - multipart formpost (RFC1867-style)
+ - authentication (Basic, Digest, NTLM(*1), GSS-Negotiate(*3))
- resume (both GET and PUT)
- follow redirects
- maximum amount of redirects to follow
- custom HTTP request
- cookie get/send fully parsed
- reads/writes the netscape cookie file format
- - custom headers (that can replace/remove internally generated headers)
+ - custom headers (replace/remove internally generated headers)
- custom user-agent string
- custom referer string
- range
- via http-proxy
- retrieve file modification date
- Content-Encoding support for deflate and gzip
- - Transfer-Encoding: chunked support for "uploads"
+ - "Transfer-Encoding: chunked" support for "uploads"
HTTPS (*1)
- (all the HTTP features)
- verify server certificate
- via http-proxy
- select desired encryption
+ - force usage of a specific SSL version (SSLv2, SSLv3 or TLSv1)
FTP
- download
FILE
- URL support
- *1 = requires OpenSSL
- *2 = requires OpenLDAP
+ *1 = requires OpenSSL
+ *2 = requires OpenLDAP
+ *3 = requires a GSSAPI-compliant library, such as Heimdal or similar.