On Apache you can ProxyPass everything except one or more subdirectories (with "!"). ProxyPass /subdir ! ProxyPass / http://localhost:9999/ What is the Nginx equivalent ? My first guess is ...
I am trying to achieve what is described under: Webmin In A Sub-Directory Via A Proxy on this website Webmin under Apache Guide ...but, with more than one webmin (all on different servers, but ...