Table 277 Access Control Logs - ZyXEL Communications Internet Security Appliance ZyWALL5UTM 4.0 User Manual

Table 276 System Error Logs (continued)
LOG MESSAGE
WAN connection is down.
Dial Backup starts
Dial Backup ends
DHCP Server cannot assign
the static IP %S (out of
range).
The DHCP static IP %s is
conflict.
SMTP fail (%s)
SMTP authentication fail
(%s)

Table 277 Access Control Logs

LOG MESSAGE
Firewall default policy: [ TCP |
UDP | IGMP | ESP | GRE | OSPF ]
<Packet Direction>
Firewall rule [NOT] match:[ TCP
| UDP | IGMP | ESP | GRE | OSPF ]
<Packet Direction>, <rule:%d>
Triangle route packet forwarded:
[ TCP | UDP | IGMP | ESP | GRE |
OSPF ]
Packet without a NAT table entry
blocked: [ TCP | UDP | IGMP | ESP
| GRE | OSPF ]
Router sent blocked web site
message: TCP
Exceed maximun sessions per host (%d).
Firewall allowed a packet that matched a
NAT session: [ TCP | UDP ]
Appendix S Log Descriptions
ZyWALL 5/35/70 Series User's Guide
DESCRIPTION
A WAN connection is down. You cannot access the network
through this interface.
Dial backup started working.
Dial backup stopped working.
The LAN subnet, LAN alias 1, or LAN alias 2 was changed and the
specified static DHCP IP addresses are no longer valid.
The static DHCP IP address conflicts with another host.
The device failed to send an e-mail (error message included).
The device failed to authenticate with the SMTP server (error
message included).
DESCRIPTION
Attempted TCP/UDP/IGMP/ESP/GRE/OSPF access
matched the default policy and was blocked or forwarded
according to the default policy's setting.
Attempted TCP/UDP/IGMP/ESP/GRE/OSPF access
matched (or did not match) a configured firewall rule
(denoted by its number) and was blocked or forwarded
according to the rule.
The firewall allowed a triangle route session to pass
through.
The router blocked a packet that didn't have a
corresponding NAT table entry.
The router sent a message to notify a user that the router
blocked access to a web site that the user requested.
The device blocked a session because the host's
connections exceeded the maximum sessions per host.
A packet from the WAN (TCP or UDP) matched a cone
NAT session and the device forwarded it to the LAN.
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