I've not used AIX, but do not think it is possible.
You can use the hosts.allow/hosts.deny if your SSH has tcp_wrappers to deny based on IP.
If sshd with tcp_wrappers handles the user@ip,
The other issue
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Java performance on Solaris - Managing CPUs
There are various resource controls in operating system which directly/indirectly influence the performance of application. one of the most important resource controls is "CPU".
In a multithreaded…
It’s 2016. Password authentication should be dead — or at least close to dying. But, unfortunately, it has not traversed Quagga stage yet. Using password authentication is like laundering hotel guest linens with a washboard — it’s Passé.