US 12,452,063 B2
Network security
Saurabh Khare, Bangalore (IN); Chaitanya Aggarwal, Munich (DE); Anja Jerichow, Munich (DE); and Georgios Gkellas, Petroupoli Attikis (GR)
Assigned to Nokia Technologies Oy, Espoo (FI)
Filed by Nokia Technologies Oy, Espoo (FI)
Filed on Jul. 28, 2022, as Appl. No. 17/875,438.
Claims priority of provisional application 63/227,359, filed on Jul. 30, 2021.
Prior Publication US 2023/0030315 A1, Feb. 2, 2023
Int. Cl. H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 61/4511 (2022.01)
CPC H04L 9/3213 (2013.01) [H04L 9/3247 (2013.01); H04L 9/3263 (2013.01); H04L 61/4511 (2022.05)] 14 Claims
OG exemplary drawing
 
1. An apparatus comprising at least one processing core, at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processing core, cause the apparatus at least to:
function as a network function repository, and
transmit to a network function consumer an access token authorizing access to a service provided by a network function producer, the access token comprising an at least one of: an indication of a fully qualified domain name of the network function consumer, an indication of a domain as a domain limitation, whereby access to the network function producer is disallowed from outside the domain, and an indication of a stand-alone non-public network from which access to the network function producer is allowed, and
receive from the network function producer the indication of the domain and a list of fully qualified domain names from which access to the network function producer is allowed, the list comprising the fully qualified domain name of the network function consumer.