Hello, I use nginx with ispconfig3, and trying to set my firefox browser to use as proxy my isconfig server running on port 80 I have discovered that for some website is possible to use my nginx as trasparent proxy...how is possible?! For some site, it return always one of the hosted websites, and for other like wikipedia duckduckgogo and others I can navigate the web trought my ngninx! Where is the setting to allow to serve only hosted domain and not the outside wolrd?!! Thanks. Best regards.