enable
:<boolean>
-
Enable host firewall rules.
log_level_in
:<alert | crit | debug | emerg | err | info | nolog | notice | warning>
-
Log level for incoming traffic.
log_level_out
:<alert | crit | debug | emerg | err | info | nolog | notice | warning>
-
Log level for outgoing traffic.
log_nf_conntrack
:<boolean>
('default ='0
)-
Enable logging of conntrack information.
ndp
:<boolean>
('default ='0
)-
Enable NDP (Neighbor Discovery Protocol).
nf_conntrack_allow_invalid
:<boolean>
('default ='0
)-
Allow invalid packets on connection tracking.
nf_conntrack_helpers
:<string>
('default =' ``)-
Enable conntrack helpers for specific protocols. Supported protocols: amanda, ftp, irc, netbios-ns, pptp, sane, sip, snmp, tftp
nf_conntrack_max
:<integer> (32768 - N)
('default ='262144
)-
Maximum number of tracked connections.
nf_conntrack_tcp_timeout_established
:<integer> (7875 - N)
('default ='432000
)-
Conntrack established timeout.
nf_conntrack_tcp_timeout_syn_recv
:<integer> (30 - 60)
('default ='60
)-
Conntrack syn recv timeout.
nftables
:<boolean>
('default ='0
)-
Enable nftables based firewall (tech preview)
nosmurfs
:<boolean>
-
Enable SMURFS filter.
protection_synflood
:<boolean>
('default ='0
)-
Enable synflood protection
protection_synflood_burst
:<integer>
('default ='1000
)-
Synflood protection rate burst by ip src.
protection_synflood_rate
:<integer>
('default ='200
)-
Synflood protection rate syn/sec by ip src.
smurf_log_level
:<alert | crit | debug | emerg | err | info | nolog | notice | warning>
-
Log level for SMURFS filter.
tcp_flags_log_level
:<alert | crit | debug | emerg | err | info | nolog | notice | warning>
-
Log level for illegal tcp flags filter.
tcpflags
:<boolean>
('default ='0
)-
Filter illegal combinations of TCP flags.