Throughout this book we will be discussing version 1.4.10 of IPCop, which is the latest release at time of writing. As IPCop is continually being developed new features will be added and some of these features may change.
A lot of firewalls come with a cluttered, complex user front end that requires significant amount of training and experience to become familiar with. The ISA server interface, for instance, is famously unintuitive and often interfaces aren't designed in order to make common tasks simple and easy to accomplish.
Frequently, proprietary firewalls such as ISA server and BorderWare will rename common functions such as port forwarding and refer to them as something entirely different, not making life any easier even for an administrator with experience of firewalls, but no knowledge of the particular user interface in question. As an easy example of this, BorderWare refers to port forwarding as an internal proxy, ISA as publishing, and DrayTek...