PCI DSS Requirement 1.3.2: Limit Inbound Internet Traffic

by KirkpatrickPrice / December 22, 2022

What's in PCI Requirement 1.3.2? PCI Requirement 1.3.2 states, “Limit inbound Internet traffic to IP addresses within the DMZ and examine firewall and router configurations to verify that inbound Internet traffic is limited to IP addresses within the DMZ.”  PCI Requirement 1.3.2 requires that where your organization has established rules based on the list of approved protocols, ports, and services (from Requirement 1.1.6), traffic is stopped within the DMZ and…

PCI DSS Requirement 1.3.1: Establishing a DMZ

by KirkpatrickPrice / December 22, 2022

Understanding PCI Requirement 1.3.1 PCI DSS Requirement 1.3.1 requires that you, as an organization, develop and implement a DMZ, otherwise known as a demilitarized zone. What is the PCI DSS DMZ? The PCI DSS requirements often refer to DMZs, or demilitarized zones. A DMZ is a sub-network that separates the internal network, in this instance your CDE, from all other untrusted sources. The DMZ should be a place where your…

PCI DSS Requirement 1.3: Examine Firewall and Router Configurations

by KirkpatrickPrice / December 22, 2022

What is PCI Requirement 1.3? PCI Requirement 1.3 focuses on ensuring that you prohibit direct public traffic from the Internet into the Cardholder Data Environment (CDE). PCI Requirement 1.3 states, “Prohibit direct public access between the Internet and any system component in the Cardholder Data Environment.” The PCI DSS v3.2 says that the purpose for PCI Requirement 1.3 is to protect system components that store cardholder data. If the protections…

PCI DSS Requirement 1.2.3: Install Firewalls Between all Wireless Networks and the CDE

by KirkpatrickPrice / December 22, 2022

What is PCI Requirement 1.2.3? Requirement 1.2.3 requires that organizations, “Install perimeter firewalls between all wireless networks and the Cardholder Data Environment, and configure these firewalls to deny or, if traffic is necessary for business purposes, permit only authorized traffic between the wireless environment and the cardholder data environment.” So, what exactly does that mean? Requirement 1.2.3 is saying that your organization must install a firewall between any wireless network…

PCI DSS Requirement 1.2.2: Secure and Synchronize Router Configuration Files

by KirkpatrickPrice / December 22, 2022

What is PCI Requirement 1.2.2? PCI DSS Requirement 1.2.2 states, “Secure and synchronize router configuration files.” This requirement focuses on enforcing the security and controls surrounding your organization’s firewall and router configurations. Before your PCI DSS assessment, your organization needs to determine, “Are our router and configuration files secured from unauthorized access?” There is a significant amount of information located within those configuration files; authentication information, certificates, keys, etc. This…