Get proxy host.
Get proxy password.
Get proxy port.
Get proxy type.
Get proxy username.
Set proxy host.
Set proxy password.
Set proxy port.
Set proxy type.
Set proxy username.
The default hostname for proxy connect = "localhost"
The default port for proxy connect = 3128
The default proxy type (HTTP)
Proxy options for a net client or a net client.
@author <a href="http://oss.lehmann.cx/">Alexander Lehmann</a>