IP address whitelist/blacklist?

[steveatsws]

Is there a way to set a whitelist or blacklist of allowed/denied IP addresses (or ranges of ip addresses like 192.168.0.0/24) to connect?

We’re running this on some servers and I want to prevent unauthorized users from even being able to try to connect inside of NoMachine, if possible.

[Britgirl]

You could use Custom Scripts maybe?

#
# Specify absolute path of the custom script to be executed before
# the user logs in. The script can accept remote IP of the user’s
# machine as its input.
#
# E.g. UserScriptBeforeLogin /tmp/nxscript/script.sh
#
UserScriptBeforeLogin “/usr/NX/script.sh”

So you would implement a script which compares the remote IP to what’s on the ‘white or black list’ and then exit 0 or 1 depending on the result.

You can find information about custom scripts in the installation and configuration guides of the product you are using, for example: https://kb.nomachine.com/DT07S00246

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