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What Is the Difference Between Portal Authentication and 802.1X Authentication?

Latest reply: Mar 31, 2019 10:51:50 1686 4 0 0 1
What Is the Difference Between Portal Authentication and 802.1X Authentication?
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ms.america
Created May 15, 2017 06:24:39

Portal authentication and 802.1X authentication are different at the network side. Portal
authentication is simple but has poor information security. 802.1X authentication is complex
to install and configure but ensures high information security. The two authentication modes
are used based on service types. 802.1X authentication is recommended for scenarios
requiring high security. The combination of portal authentication and 802.1X authentication is
used to meet requirements of different service on the existing networks. The following table
shows the comparisons between portal authentication and 802.1X authentication.

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Amr_Fayrouz_Elattar
Created Mar 2, 2019 16:07:25

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Amr_Fayrouz_Elattar
Created Mar 30, 2019 21:09:09

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MHME
Created Mar 31, 2019 10:51:50

Portal Authentication
Portal authentication is also called web authentication. Generally, Portal authentication websites are also called Portal websites. When users go online, they must be authenticated on Portal websites. The users can use network resources only after they pass the authentication.

A user can access a known Portal authentication website and enter a user name and password for authentication. This mode is called active authentication. If a user attempts to access other external networks through HTTP, the device forcibly redirects the user to the Portal authentication website for Portal authentication. This mode is called forcible authentication.

802.1X Authentication

To resolve wireless local area network (LAN) security issues, the Institute of Electrical and Electronics Engineers (IEEE) 802 LAN/wide area network (WAN) committee developed the 802.1X protocol. Later, the 802.1X protocol was widely applied as a common access control mechanism on LAN interfaces for authentication and security on Ethernet networks.

The 802.1X protocol is an interface-based network access control protocol. It controls users' access to network resources by authenticating the users on access interfaces.

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