It allows you to control your network traffic at the server level, which is very useful in our daily work. I haven't found anything that could be improved about it yet. We use this tool for all of our internal servers (such as TeamCity), so we have to pay attention to any issues with these servers when using the software. Also, if there happens to be an issue with a third-party application or client, then it can cause problems with our services. Using proxy ninjas has allowed us to easily set up rules and filters to restrict certain types of content from being accessed by web browsers within the organization.