Chapter 4 – Information Technology

49130.1  Introduction and Overview

• Network firewalls act as a communications buffer between internal and external devices while simultaneously keeping out unwanted users, viruses, worms, or other malicious programs trying to access the protected network. Firewalls and the technology and procedures that support them help protect internal networks and manage traffic in and out of California Department of Corrections and Rehabilitation (CDCRCalifornia Department of Corrections and Rehabilitation), California Correctional Health Care Services (CCHCS), and California Prison Industry Authority (CALPIACalifornia Prison Industry Authority (formerly PIA))’s network.