Bryan Fox is a senior scientist at Stanford’s Laboratory for Cell and Gene Medicine in Palo Alto. Norbert von der Groeben Set back from the street, the building on California Avenue, in Palo Alto, looks like what you might see on Stanford’s main quad — with pale, beige stucco walls, a series of arched windows framed by columns and a red ... Monitoring Palo Alto Firewalls. PRTG provides some sensor types that work with PaloAlto Firewalls by default, for example, the SNMP Traffic sensor. This template will deploy both some of these standard sensors and custom/specific sensors created specifically for Palo Alto Firewalls such as PA-200, PA-220, PA-3020, PA-5050 and VM-100/200 models.