[Seaside] Configuration seaside: url entries et access

[Claus Kick]

Hervé Darce wrote:
> Hi,
> 
> How to change the url entries in seaside? I want http://localhost
> instead of http://localhost/seaside.
> 
> How to prohibit access to all directory except pier
> (http://localhost/pier only)?
> 
> I have seen "Server Hostname", "Resource Base Url", "Server Path". But I
> do not understand this.

Could someone please explain this in an extended How-To on the Seaside 
Website?