ZyXEL Communications Parental Control Gateway HS100/HS100W User Manual
Page 325

HomeSafe User’s Guide
Log Descriptions
D-3
Chart 4 Content Filtering Logs
LOG MESSAGE
DESCRIPTION
%s
When the content filter is not on according to the time
schedule or you didn't select the "Block Matched Web Site”
checkbox, 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 HomeSafe cannot get the IP address of the external
content filtering via DNS query.
Creating socket failed
The HomeSafe 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.
Chart 5 ICMP Type and Code Explanations
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
0
A gateway may discard internet datagrams if it does not have the buffer space
needed to queue the datagrams for output to the next network on the route to
the destination network.
5
Redirect
0
Redirect datagrams for the Network
1
Redirect datagrams for the Host
2
Redirect datagrams for the Type of Service and Network
3
Redirect datagrams for the Type of Service and Host
8
Echo
0
Echo message
11
Time Exceeded