If you have a webserver and etc. etc. on your network and want to setup a Port Forward, then on a normal router you will just have to choose Port forwarding probably under services. In pfSense it is a little different but have so many amazing options!
It is a quick and easy process to setup an FTP server and it can become very handy to have. I will show you how you can setup an FTP server on your SD card and with an external harddisk. Step 1. install FTP We