ZyXEL Communications 2 Plus 437

		Chapter 25 Logs Screens
	Table 151 Remote Management Logs
	LOG MESSAGE	DESCRIPTION
	Remote Management: FTP denied	Attempted use of FTP service was blocked according to
		remote management settings.
	Remote Management: TELNET denied	Attempted use of TELNET service was blocked
		according to remote management settings.
	Remote Management: HTTP or UPnP	Attempted use of HTTP or UPnP service was blocked
	denied	according to remote management settings.
	Remote Management: WWW denied	Attempted use of WWW service was blocked according
		to remote management settings.
	Remote Management: HTTPS denied	Attempted use of HTTPS service was blocked
		according to remote management settings.
	Remote Management: SSH denied	Attempted use of SSH service was blocked according to
		remote management settings.
	Remote Management: ICMP Ping	Attempted use of ICMP service was blocked according
	response denied	to remote management settings.
	Remote Management: SNMP denied	Attempted use of SNMP service was blocked according
		to remote management settings.
	Remote Management: DNS denied	Attempted use of DNS service was blocked according
		to remote management settings.

Table 152 IPSec Logs

LOG MESSAGE	DESCRIPTION
Discard REPLAY packet	The router received and discarded a packet with an incorrect
	sequence number.
Inbound packet	The router received a packet that has been altered. A third party
authentication failed	may have altered or tampered with the packet.
Receive IPSec packet,	The router dropped an inbound packet for which SPI could not find a
but no corresponding	corresponding phase 2 SA.
tunnel exists
Rule <%d> idle time	The router dropped a connection that had outbound traffic and no
out, disconnect	inbound traffic for a certain time period. You can use the "ipsec timer
	chk_conn" CI command to set the time period. The default value is 2
	minutes.

WAN IP changed to <IP>	The router dropped all connections with the “MyIP” configured as
	“0.0.0.0” when the WAN IP address changed.
Inbound packet	Please check the algorithm configuration.
decryption failed
Cannot find outbound SA	A packet matches a rule, but there is no phase 2 SA for outbound
for rule <%d>	traffic.
Rule [%s] sends an echo	The device sent a ping packet to check the specified VPN tunnel's
request to peer	connectivity.
Rule [%s] receives an	The device received a ping response when checking the specified
echo reply from peer	VPN tunnel's connectivity.