Was browsing around and just found this article: http://www.samba.org/ftp/tridge/misc/french_cafe.txt
Pretty much says it all – except that it’s much harder when you don’t have a local install of the server. You can’t actually afford to do all the crazy stuff described there on a public server which can simply ban you for “trying to hack”.
Yes, this is a follow-up to my previous post.