ZyXEL Communications Internet Security Appliance ZyWALL5UTM 4.0 - Manual (Page 755)

ZyWALL 5/35/70 Series User’s Guide
755 Appendix N Firewall Commands
Config edit firewall set #> tcp-idle-timeout This command sets how long ZyWALL lets an
inactive TCP connection remain open before
considering it closed.
Config edit firewall set #> log This command sets whether or not the
ZyWALL creates logs for packets that match
the firewall’s default rule set.
Rules Config edit firewall set #> rule permit
This command sets whether packets that
match this rule are dropped or allowed
through.
Config edit firewall set #> rule active no> This command sets whether a rule is enabled
or not.
Config edit firewall set #> rule protocol
This command sets the protocol specification
number made in this rule for ICMP.
Config edit firewall set #> rule log match | not-match | both> This command sets the ZyWALL to log traffic
that matches the rule, doesn't match, both or
neither.
Config edit firewall set #> rule alert no> This command sets whether or not the
ZyWALL sends an alert e-mail when a DOS
attack or a violation of a particular rule occurs.
config edit firewall set #> rule srcaddr-
single This command sets the rule to have the
ZyWALL check for traffic with this individual
source address.
config edit firewall set #> rule srcaddr-
subnet mask> This command sets a rule to have the
ZyWALL check for traffic from a particular
subnet (defined by IP address and subnet
mask).
config edit firewall set #> rule srcaddr-range
address> This command sets a rule to have the
ZyWALL check for traffic from this range of
addresses.
config edit firewall set #> rule destaddr-
single This command sets the rule to have the
ZyWALL check for traffic with this individual
destination address.
Table 271 Firewall Commands (continued)
FUNCTION COMMAND DESCRIPTION