A network engineer configures a WLAN controller with increased security for web access. There is IP connectivity with the WLAN controller, but the engineer cannot start a management session from a web

Disabling JavaScript would likely hinder the functionality of a modern web-based management interface, not resolve connection issues related to security protocols.

Adobe Flash Player is largely deprecated and irrelevant for secure web management interfaces today; its disablement would not impact the underlying secure connection.

If the WLAN controller is configured for increased security, it likely enforces strong encryption standards (e.g., TLS 1.2 or higher) and requires specific cipher suites, often 128-bit or larger. An older or misconfigured browser might not support these stronger ciphers, preventing a successful SSL/TLS handshake and thus failing to establish a management session.

Using a private or incognito session primarily prevents local browser history or cookies from being stored but does not alter the browser's cryptographic capabilities or its ability to negotiate secure connections with a server.