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Searching in: Feature Requests
ID: FR02R03939
Added on:  2020-02-27
Last update: 2020-09-11
Priority: High
Products: NoMachine Server
Implemented in: 6.11.2
Status:  Implemented
Implementing a mechanism to protect against DoS attack

It should be possible to configure the NoMachine service, nxd, in charge of accepting connections by NX protocol, to accept a limited value of connections in the given interval of time.

This feature is not enabled by default and can be configured by enabling a set of new configuration keys in server.cfg. To do that, remove the pre-pending # from the key name and set the most appropriate value to these key.

Keys description:

#
# Specify the maximum number of connections that the NX service can
# accept. Further connections will be denied.
#
#NXdConnectionsLimit ""

#
# Specify the interval of time in seconds during which the NX service
# can accept connections up to the NXdConnectionsIntervalLimit.
#
#NXdConnectionsInterval ""

#
# Specify the maximum number of connections that the NX service can
# accept during the interval of time set in NXdConnectionsInterval.
#
#NXdConnectionsIntervalLimit ""