@item
Wget supports proxy servers, which can lighten the network load, speed
-up retrieval and provide access behind firewalls. However, if you are
-behind a firewall that requires that you use a socks style gateway,
-you can get the socks library and build Wget with support for socks.
-Wget uses the passive @sc{ftp} downloading by default, active @sc{ftp}
-being an option.
+up retrieval and provide access behind firewalls. Wget uses the passive
+@sc{ftp} downloading by default, active @sc{ftp} being an option.
@item
Wget supports IP version 6, the next generation of IP. IPv6 is
@code{Content-Disposition} headers to describe what the name of a
downloaded file should be.
+@cindex authentication
+@item --auth-no-challenge
+
+If this option is given, Wget will send Basic HTTP authentication
+information (plaintext username and password) for all requests, just
+like Wget 1.10.2 and prior did by default.
+
+Use of this option is not recommended, and is intended only to support
+some few obscure servers, which never send HTTP authentication
+challenges, but accept unsolicited auth info, say, in addition to
+form-based authentication.
+
@end table
@node HTTPS (SSL/TLS) Options