September, 2018 Release

Added Platform Support

Junos OS 18.3R1 adds support for the following SRX Series Firewalls: SRX320 and SRX300.

See Supportability Information for details.

Enhancement in the Threat Level of a Host

A fine adjustment was made to the threat level of a host for more proper and accurate detection. (Some customers may want to change their global configurations as a result of this change.)