OWASPASVS 5.0 requirement

ASVS-V13.2.4 An allowlist is used to define the external resources or systems with which the application is permitted to communicate (e.g., for outbound…

L2 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V13 Configuration
Section
V13.2 Backend Communication Configuration
Level
L2 (requirement applies from this verification level up)

Requirement

Verify that an allowlist is used to define the external resources or systems with which the application is permitted to communicate (e.g., for outbound requests, data loads, or file access). This allowlist can be implemented at the application layer, web server, firewall, or a combination of different layers.