\q{\i{Default Settings}} entry in the saved sessions list, with a single
click. Then press the \q{Save} button.
-\lcont{
-Note that PuTTY does not allow you to save a host name into the
-Default Settings entry. This ensures that when PuTTY is started up,
-the host name box is always empty, so a user can always just type in
-a host name and connect.
-}
-
If there is a specific host you want to store the details of how to
connect to, you should create a saved session, which will be
separate from the Default Settings.
session, and also any extra connections made as a result of SSH \i{port
forwarding} (see \k{using-port-forwarding}).
+Note that unlike some software (such as web browsers), PuTTY does not
+attempt to automatically determine whether to use a proxy and (if so)
+which one to use for a given destination. If you need to use a proxy,
+it must always be explicitly configured.
+
\S{config-proxy-type} Setting the proxy type
\cfg{winhelp-topic}{proxy.type}
invent new ones over time, without any changes required to PuTTY's
configuration. We recommend use of this method, if possible.
+In addition, PuTTY supports \i{RSA key exchange}, which requires much less
+computational effort on the part of the client, and somewhat less on
+the part of the server, than Diffie-Hellman key exchange.
+
If the first algorithm PuTTY finds is below the \q{warn below here}
line, you will see a warning box when you make the connection, similar
to that for cipher selection (see \k{config-ssh-encryption}).
than one serial port.
On Windows, the first serial line is called \i\cw{COM1}, and if there
-is a second it is called \cw{COM2}, and so on. A serial line with
-a name other than \cw{COM1} to \cw{COM9} can be specified by prefixing
-its name with \cw{\\\\.\\} - for instance, \cw{\\\\.\\COM10}.
+is a second it is called \cw{COM2}, and so on.
This configuration setting is also visible on the Session panel,
where it replaces the \q{Host Name} box (see \k{config-hostname}) if