NxForward showing block page on HTTPS
You don't see your block page on HTTPS because of MITM restriction. One of the solutions is NxFoward.
There is a way of showing block page on HTTPS using SSLSplit, To find out more, read https://groups.google.com/forum/?hl=en#!topic/nxfilter200/zR5F9521wPk in our forum.
What it does?When you are blocked on HTTPS protocol you get an SSL warning instead of your block page. This is natural as your browser tries to protect you from 'Man In The Middle' attack. But it is annoying since we know it is blocked by our filtering policy. We have a solution for Chrome browser. When you install NxForward which is a Chrome extension, it will bypass the SSL warning on Chrome browser and show you the block page you want to see. You can install NxForward from Chrome Web Store. - Download NxForward from Chrome Web Store
You might think that it is dangerous to hide this kind of security warning. But NxForward doesn't hide every SSL warning. It only happens when NxFilter actually blocks an HTTPS website.