ZyXEL P-660H-T1 v2 User Guide - Page 218
Table 89, Table 90
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Chapter 19 Logs 218 Table 89 Attack Logs LOG MESSAGE attack [TCP | UDP | IGMP | ESP | GRE | OSPF] attack ICMP (type:%d, code:%d) land [TCP | UDP | IGMP | ESP | GRE | OSPF] land ICMP (type:%d, code:%d) ip spoofing - WAN [TCP | UDP | IGMP | ESP | GRE | OSPF] ip spoofing - WAN ICMP (type:%d, code:%d) icmp echo: ICMP (type:%d, code:%d) syn flood TCP ports scan TCP teardrop TCP teardrop UDP teardrop ICMP (type:%d, code:%d) illegal command TCP NetBIOS TCP ip spoofing - no routing entry [TCP | UDP | IGMP | ESP | GRE | OSPF] ip spoofing - no routing entry ICMP (type:%d, code:%d) vulnerability ICMP (type:%d, code:%d) traceroute ICMP (type:%d, code:%d) DESCRIPTION The firewall detected a TCP/UDP/IGMP/ESP/GRE/OSPF attack. The firewall detected an ICMP attack. For type and code details, see Table 95 on page 224. The firewall detected a TCP/UDP/IGMP/ESP/GRE/OSPF land attack. The firewall detected an ICMP land attack. For type and code details, see Table 95 on page 224. The firewall detected an IP spoofing attack on the WAN port. The firewall detected an ICMP IP spoofing attack on the WAN port. For type and code details, see Table 95 on page 224. The firewall detected an ICMP echo attack. For type and code details, see Table 95 on page 224. The firewall detected a TCP syn flood attack. The firewall detected a TCP port scan attack. The firewall detected a TCP teardrop attack. The firewall detected an UDP teardrop attack. The firewall detected an ICMP teardrop attack. For type and code details, see Table 95 on page 224. The firewall detected a TCP illegal command attack. The firewall detected a TCP NetBIOS attack. The firewall classified a packet with no source routing entry as an IP spoofing attack. The firewall classified an ICMP packet with no source routing entry as an IP spoofing attack. The firewall detected an ICMP vulnerability attack. For type and code details, see Table 95 on page 224. The firewall detected an ICMP traceroute attack. For type and code details, see Table 95 on page 224. Table 90 IPSec Logs LOG MESSAGE Discard REPLAY packet Inbound packet authentication failed Receive IPSec packet, but no corresponding tunnel exists DESCRIPTION The router received and discarded a packet with an incorrect sequence number. The router received a packet that has been altered. A third party may have altered or tampered with the packet. The router dropped an inbound packet for which SPI could not find a corresponding phase 2 SA. P-660H-Tx v2 User's Guide