ZyXEL Communications HS100/HS100W Chart 5 Icmp Type and Code Explanations, Type Code Description

					HomeSafe User’s Guide
				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				The external content filtering server did not respond within
	timeout				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				The connection to the external content filtering server failed.
	server fail
	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

Log Descriptions D-3