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ZyWALL 5/35/70 Series User’s Guide
777 Appendix S Log Descriptions
Firewall sent TCP packet
in response to DoS attack
TCP
The firewall sent TCP packet in response to a DoS attack
ICMP Source Quench ICMP The firewall detected an ICMP Source Quench attack.
ICMP Time Exceed ICMP The firewall detected an ICMP Time Exceed attack.
ICMP Destination
Unreachable ICMP
The firewall detected an ICMP Destination Unreachable attack.
ping of death. ICMP The firewall detected an ICMP ping of death attack.
smurf ICMP The firewall detected an ICMP smurf attack.
IP address in FTP port
command is different from
the client IP address. It
maybe a bounce attack.
The IP address in an FTP port command is different from the client
IP address. It may be a bounce attack.
Fragment packet size is
smaller than the MTU size
of output interface.
The fragment packet size is smaller than the MTU size of output
interface.
Table 286 Remote Management Logs
LOG MESSAGE DESCRIPTION
Remote Management: FTP denied Attempted use of FTP service was blocked according to
remote management settings.
Remote Management: TELNET denied Attempted use of TELNET service was blocked
according to remote management settings.
Remote Management: HTTP or UPnP
denied
Attempted use of HTTP or UPnP service was blocked
according to remote management settings.
Remote Management: WWW denied Attempted use of WWW service was blocked according
to remote management settings.
Remote Management: HTTPS denied Attempted use of HTTPS service was blocked according
to remote management settings.
Remote Management: SSH denied Attempted use of SSH service was blocked according to
remote management settings.
Remote Management: ICMP Ping
response denied
Attempted use of ICMP service was blocked according
to remote management settings.
Remote Management: SNMP denied Attempted use of SNMP service was blocked according
to remote management settings.
Remote Management: DNS denied Attempted use of DNS service was blocked according to
remote management settings.
Table 285 Attack Logs (continued)
LOG MESSAGE DESCRIPTION