What Is Murus? For some time now, IceFloor is the graphic user interface I have used to set up the PF firewalls on both of my Macs (Learn more about IceFloor by clicking HERE). Now that OS X Yosemite has arrived, IceFloor can still be used, but the current version is feature delimited. Though IceFloor… Continue reading Murus: OS X IceFloor Alternative