Hello,
you can use profiles:
Guide to set profiles for remote node
In the case when you would like to allow specified users to access to one node, you can use the commands below.
To disable access for all to both nodes:
nxserver –ruleadd –class node –type <node1:port> –value no
nxserver –ruleadd –class node –type <node2:port> –value no
To allow specified user to access:
nxserver –ruleadd –class node –type <node2:port> –value yes –user <username>
or if you prefer, a possibilty is to disable access to specified node for specified user with command:
nxserver –ruleadd –class node –type <node2:port> –value no –user <username>