ZyXEL Communications ZyXEL ZyWALL 5 - Manual (Page 625)

ZyWALL 5 User’s Guide
624 Appendix L Firewall Commands
Config edit firewall set <set
#> tcp-idle-timeout <seconds> This command sets how long ZyWALL lets an
inactive TCP connection remain open before
considering it closed.
Config edit firewall set <set
#> log <yes | no> 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 <set
#> rule <rule #> permit
<forward | block> This command sets whether packets that
match this rule are dropped or allowed
through.
Config edit firewall set <set
#> rule <rule #> active <yes |
no> This command sets whether a rule is enabled
or not.
Config edit firewall set <set
#> rule <rule #> protocol
<integer protocol value > This command sets the protocol specification
number made in this rule for ICMP.
Config edit firewall set <set
#> rule <rule #> log <none |
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 <set
#> rule <rule #> alert <yes |
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 <set
#> rule <rule #> srcaddr-
single <ip address> This command sets the rule to have the
ZyWALL check for traffic with this individual
source address.
config edit firewall set <set
#> rule <rule #> srcaddr-
subnet <ip address> <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 <set
#> rule <rule #> srcaddr-range
<start ip address> <end ip
address> This command sets a rule to have the
ZyWALL check for traffic from this range of
addresses.
config edit firewall set <set
#> rule <rule #> destaddr-
single <ip address> This command sets the rule to have the
ZyWALL check for traffic with this individual
destination address.
Table 30 Firewall Commands (continued)
FUNCTION COMMAND DESCRIPTION