Google Cloud Compliance ControlsGoogle Cloud VPC
Firewall rules should prohibit ingress from 0.0.0.0/0 to POP3 port 110
Firewall rules provide stateful filtering of ingress and egress network traffic to GCP resources. This control evaluates compute firewall rules to see whether ingress from `0.0.0.0/0` to POP3 port `110` is permitted.
What this control checks
Firewall rules that allow ingress from 0.0.0.0/0 to POP3 port 110 fail the check
Framework mappings
The clauses this control is mapped to in each framework.
- Restrict inbound and outbound traffic to that which is necessary for the cardholder data environment, and specifically deny all other traffic
Related controls
Tool mappings
Use these identifiers to cross-reference this control across tools, reports, and evidence.
- Compliance.tf Control:
compute_firewall_rule_ingress_access_restricted_to_pop3_port_110 - Powerpipe Control:
gcp_compliance.control.compute_firewall_rule_ingress_access_restricted_to_pop3_port_110
Last reviewed: 2026-10-09