ZyXEL Communications Prestige 661H Series, User Manual

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Prestige 661H/HW Series User’s Guide
491 Appendix K Log Descriptions
Connecting to content
filter server fail
The connection to the external content filtering server failed.
License key is invalid
The external content filtering license key is invalid.
Table 175 Attack Logs
LOG MESSAGE DESCRIPTION
attack [TCP | UDP | IGMP |
ESP | GRE | OSPF]
The firewall detected a TCP/UDP/IGMP/ESP/GRE/OSPF attack.
attack ICMP (type:%d,
code:%d)
The firewall detected an ICMP attack. For type and code details,
see Table 182 on page 498 .
land [TCP | UDP | IGMP |
ESP | GRE | OSPF]
The firewall detected a TCP/UDP/IGMP/ESP/GRE/OSPF land
attack.
land ICMP (type:%d,
code:%d)
The firewall detected an ICMP land attack. For type and code
details, see Table 182 on page 498 .
ip spoofing - WAN [TCP |
UDP | IGMP | ESP | GRE |
OSPF]
The firewall detected an IP spoofing attack on the WAN port.
ip spoofing - WAN ICMP
(type:%d, code:%d)
The firewall detected an ICMP IP spoofing attack on the WAN port.
For type and code details, see Table 182 on page 498 .
icmp echo: ICMP (type:%d,
code:%d)
The firewall detected an ICMP echo attack. For type and code
details, see Table 182 on page 498 .
syn flood TCP
The firewall detected a TCP syn flood attack.
ports scan TCP
The firewall detected a TCP port scan attack.
teardrop TCP
The firewall detected a TCP teardrop attack.
teardrop UDP
The firewall detected an UDP teardrop attack.
teardrop ICMP (type:%d,
code:%d)
The firewall detected an ICMP teardrop attack. For type and code
details, see Table 182 on page 498 .
illegal command TCP
The firewall detected a TCP illegal command attack.
NetBIOS TCP
The firewall detected a TCP NetBIOS attack.
ip spoofing - no routing
entry [TCP | UDP | IGMP |
ESP | GRE | OSPF]
The firewall classified a packet with no source routing entry as an
IP spoofing attack.
ip spoofing - no routing
entry ICMP (type:%d,
code:%d)
The firewall classified an ICMP packet with no source routing entry
as an IP spoofing attack.
vulnerability ICMP
(type:%d, code:%d)
The firewall detected an ICMP vulnerability attack. For type and
code details, see Table 182 on page 498 .
traceroute ICMP (type:%d,
code:%d)
The firewall detected an ICMP traceroute attack. For type and
code details, see Table 182 on page 498 .
Table 174 Content Filtering Logs (continued)
LOG MESSAGE DESCRIPTION