+@cindex Proxy
+@item Proxy = socks4 | socks5 | http | exec @var{...} [experimental]
+Use a proxy when making outgoing connections.
+The following proxy types are currently supported:
+
+@table @asis
+@cindex socks4
+@item socks4 <@var{address}> <@var{port}> [<@var{username}>]
+Connects to the proxy using the SOCKS version 4 protocol.
+Optionally, a @var{username} can be supplied which will be passed on to the proxy server.
+
+@cindex socks5
+@item socks5 <@var{address}> <@var{port}> [<@var{username}> <@var{password}>]
+Connect to the proxy using the SOCKS version 5 protocol.
+If a @var{username} and @var{password} are given, basic username/password authentication will be used,
+otherwise no authentication will be used.
+
+@cindex http
+@item http <@var{address}> <@var{port}>
+Connects to the proxy and sends a HTTP CONNECT request.
+
+@cindex exec
+@item exec <@var{command}>
+Executes the given command which should set up the outgoing connection.
+The environment variables @env{NAME}, @env{NODE}, @env{REMOTEADDRES} and @env{REMOTEPORT} are available.
+@end table
+