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Routing Policy and Firewall Filters

  • Class-based firewall filters (PTX Series)—Starting in Junos OS Release 21.2R1, you can apply firewall filter actions like drop, reject, sample, and police on packets classified by destination class usage (DCU) and source class usage (SCU) accounting, for example as part of a design to provide distributed denial-of-service (DDoS) protection to specific customers.

    [See Configuring the Filter Profile.]