Zyxel-communications 5 Series Manual do Utilizador descarregar pdf (Página 515)

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101

ZyWALL 5/35/70 Series User’s Guide

Chapter 30 Logs Screens 515

For type and code details, see Table 183 on page 524.

%s When the content filter is not on according to the time schedule or you

didn't select the "Block Matched Web Site” check box, the system

forwards the web content.

Waiting content filter

server timeout

The external content filtering server did not respond within the timeout

period.

DNS resolving failed The ZyWALL cannot get the IP address of the external content filtering

via DNS query.

Creating socket failed The ZyWALL cannot issue a query because TCP/IP socket creation

failed, port:port number.

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.

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.

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.

icmp echo : ICMP

(type:%d, code:%d)

The firewall detected an ICMP echo attack.

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.

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.

Table 174 Content Filtering Logs (continued)

LOG MESSAGE DESCRIPTION

1 2 ... 510 511 512 513 514 515 516 517 518 519 520 ... 834 835

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