Management Frame Protection MFP

Last Updated on Sun, 06 Aug 2023 | Infrastructure Security

Management Frame Protection (MFP) enables authentication of all 802.11 management frames between the WLC and wireless access points. MFP protects against direct and man-in-the-middle attacks. It also detects and reports potential phishing attacks. MFP has three main functions:

• Frame protection: This enables the wireless access point to protect the management frames by adding a message integrity check information element (MIC-IE) to each frame.

• Frame validation: The wireless access point validates every management frame that it receives from other access points in the network.

• Event reporting: The wireless access point notifies the WLC when it detects an anomaly. The WLC can also report these events via SNMP traps to management servers.

You can enable MFP globally. However, you can disable it on individual WLANs and access points. In other words, you can selectively enable or disable MFP on specific wireless access points or WLANs.

To enable MFP globally, navigate to Security > Wireless Protection Policies. Then click AP Authentication/MFP and choose Management Frame Protection from the Protection Type pull-down menu. You can view the MFP statistics under Security > Wireless Protection Policies > Management Frame Protection.

Continue reading here: Precise Location Tracking

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Readers' Questions

  • Jonas
    What is protected management frames?
    3 months ago
    • Protected Management Frames (PMF) is a security mechanism used in Wi-Fi networks to ensure that management frames are not tampered with or spoofed. Management frames are used by Wi-Fi devices to exchange information about network connections, authentication, and other network management tasks. PMF adds a layer of security by encrypting and digitally signing management frames using the security protocol, making it difficult for attackers to manipulate or forge these frames. This ensures that the frames are authentic and prevents various security threats, such as frame injection, frame replay attacks, and deauthentication attacks. PMF is especially important in public Wi-Fi networks or environments where Wi-Fi security is crucial, such as enterprise networks, airports, or coffee shops. It provides an extra layer of protection against various wireless attacks, enhancing the overall security of the Wi-Fi network.