Para o Hg Mercurial, você garante que o arquivo de configuração permita que o serviço da Web se vincule a todas as interfaces de rede disponíveis
web
Web interface configuration. The settings in this section apply to both the
builtin webserver (started by hg serve) and the script you run through a
webserver (hgweb.cgi and the derivatives for FastCGI and WSGI).
...
The full set of options is:
address
Interface address to bind to. Default is all.