What is eapolcfg_auth?

eapolcfg_auth is a process for network login that most home users will never see in action.

What is eapolcfg_auth?

eapolcfg_auth handles setup and login for EAPOL (Extensible Authentication Protocol over LAN). This is the system behind 802.1X, a standard for controlling who can use a network. It is common in offices and universities.

When is it used?

802.1X is used when a network needs each person to log in separately. This is common in:

• Office Wi-Fi and wired networks
• University campus networks
• Hospital and government networks
• Any organisation that checks each user before granting network access

If you connect to a Wi-Fi network that asks for a username and password (not just a shared Wi-Fi password), 802.1X and eapolcfg_auth are likely at work.

Do I need it?

If you do not connect to networks that use 802.1X, this process will not be active. Home Wi-Fi networks use a shared password, which does not involve eapolcfg_auth.

Should you worry?

No. It is a normal macOS part that handles the safe exchange of login details when you connect to protected networks.

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