`ebtables`: `` ('default =' `1`):: Enable ebtables rules cluster wide. `enable`: ` (0 - N)` :: Enable or disable the firewall cluster wide. `log_ratelimit`: `[enable=]<1|0> [,burst=] [,rate=]` :: Log ratelimiting settings `burst`=` (0 - N)` ('default =' `5`);; Inital burst of packages which will get logged `enable`=`` ('default =' `1`);; Enable or disable log rate limiting `rate`=`` ('default =' `1/second`);; Frequency with which the burst bucket gets refilled `policy_in`: `` :: Input policy. `policy_out`: `` :: Output policy.