3Com Switch 8800 Family Firewall Module Configuration and Command Reference Guide

180 CHAPTER 10: ATTACK PREVENTION AND PACKET STATISTICS
# Display statistics of connections initiated from the external zone to 192.168.1.3
in the trust zone.
<secblade> display firewall statistics ip 10.0.0.1 destination-ip
Attack Prevention
Troubleshooting
Fault1: The SYN Flood attack prevention function is invalid.
Troubleshooting: Take the following procedure.
1 Check whether the SYN Flood attack prevention function is enabled for the
destination zone or for the destination IP.
2 Check whether the SYN Flood attack prevention function is enabled in the global
scope.
3 Check whether the inbound IP statistics function is enabled in the destination zone
or in the zone to which the destination IP belongs.
Fault2: The address scanning attack prevention function is invalid.
Troubleshooting: Take the following procedure.
1 Check whether the address scanning attack prevention function is enabled.
2 Check whether the outbound IP statistics function is enabled in the zone to which
the scanning source belongs.