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RADIUS has been officially assigned UDP ports 1812 for RADIUS Authentication and 1813 for RADIUS Accounting by the internet Assigned Numbers Authority (IANA). However, prior to IANA allocation of ports 1812 and 1813, ports 1645 and 1646 (authentication and accounting, respectively) were used unofficially and became the default ports assigned by many RADIUS Client/Server implementations of the time. The tradition of using 1645 and 1646 for backwards compatibility continues to this day. For this reason many RADIUS Server implementations monitor both sets of UDP ports for RADIUS requests. Microsoft RADIUS servers default to 1812 and 1813 but Cisco devices default to the traditional 1645 and 1646 ports. Juniper Networks' RADIUS servers also default to 1645 and 1646.
What else can I help you with?
Does radius require port-based authentication?
Yes, RADIUS requires port-based authentication.
What requires port-based authentication?
RADIUS requires port-based authentication.
Which type of device is required to implement port authentication through a switch?
RADIUS server
What requires port based authentication?
Port-based authentication is a form of "security by obscurity" wherein any device connecting to a system via the selected port is assumed to have authority to access said system. This can be dangerous if the port is randomly guessed, or shared by an someone who has previously been authorized. In this way, port-based authentication is equivalent to using a weak (or even default) password.
What is the standard TCP port used for Kerberos authentication traffic in the US?
88 ??
Does kerberos require port based authentication?
No
Which authentication methods are commonly used in an environment with a large number of simultaneous dial-up connections?
TACACS and RADIUS
What advantage does wpa2 offer over wpa?
authentication through RADIUS
Which technology provides centralized remote user authentication authorization and accounting?
RADIUS
Which authentication protocols must communicate with an AAA server to authenticate users?
TACACS+ and RADIUS
What is the weakest challenge and response authentication method used by iis7?
Basic Authentication
What are 3 types of authentication used to access a wireless network?
There are many types of authentications can be used in access wireless network. mainly 3 types are used: User only Authentication, Device Only Authentication, User+Device Authentication. They are self explanatory.
