ZyXEL Communications P-2304R, User Manual

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Chapter 19 Logs
P-2304R-P1 Series User’s Guide
205
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.
Table 101 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: DNS denied Attempted use of DNS service was blocked according to
remote management settings.
Table 102 ICMP Notes
TYPE CODE DESCRIPTION
0
Echo Reply
0
Echo reply message
3
Destination Unreachable
0
Net unreachable
1
Host unreachable
2
Protocol unreachable
3
Port unreachable
4
A packet that needed fragmentation was dropped because it was set to Don't
Fragment (DF)
5
Source route failed
4
Source Quench
Table 100 Attack Logs (continued)
LOG MESSAGE DESCRIPTION