Which security option protects credentials from sniffer attacks in a basicAPI authentication?

A next-generation firewall offers various security functions such as intrusion prevention and application control, but it does not inherently encrypt the data in transit between endpoints to protect credentials from sniffer attacks.

TLS (Transport Layer Security) or its predecessor SSL (Secure Sockets Layer) encrypts the entire communication session between the API client and server. This ensures that even if network traffic containing authentication credentials is intercepted by a sniffer, the data remains encrypted and unreadable.

While a VPN creates an encrypted tunnel for network traffic, using TLS/SSL directly on the API communication provides application-layer encryption, which is the most direct and universally applicable method for protecting credentials specifically sent with basic API authentication.

AAA services are responsible for authenticating, authorizing, and accounting for user access, but they do not provide encryption for the credentials themselves during transmission across the network.