ZyXEL Communications 660H Series Network Router User Manual


 
Prestige 660H/HW Series User’s Guide
432
APPENDIX J
Firewall Commands
Sys Firewall Commands
The following describes the firewall commands. See Appendix I on page 430 for information
on the command structure. Each of these commands must be preceded by sys firewall
when you use them. For example, type
sys firewall active yes to turn on the firewall.
Table 153 Sys Firewall Commands
Command Description
acl disp Displays ACLs or a specific ACL set # and rule #.
active <yes|no> Active firewall or deactivate firewall
Enables/disables the firewall.
cnt
disp Displays the firewall log type and count.
clear Clears the firewall log count.
pktdump Dumps the last 64 bytes of packets that the firewall has dropped.
dynamicrule display Displays the firewall’s dynamic rules.
tcprst
rst Turns TCP reset sending on/off.
rst113 Turns TCP reset sending for port 113 on/off.
display Displays the TCP reset sending settings.
icmp This rule is not in use.
dos
smtp Enables/disables the SMTP DoS defender.
display Displays the SMTP DoS defender setting.
ignore Sets if the firewall will ignore DoS attacks on the LAN/WAN.
ignore
dos Sets if the firewall will ignore DoS attacks on the LAN/WAN.
triangle Sets if the firewall will ignore triangle route packets on the LAN/
WAN.