https://hiopwebsite.com/
More data on this may be discovered on the MX Content Filtering documentation. I would look into any number of on-line sitemap generation tools. Personally, I've used this one (java based)in the previous, however when you do a google search for "sitemap builder" I'm sure you will discover plenty of different choices. This information exhibits the method to use URL lists to define URLs that your users canaccess. The port specifies the FTL server port for all communications with the server. I combined this with @dcoletta’s suggestion in regards to the redirect to