ZyXEL Communications P-312 manual Jan 1, Src IP, dest port, src port and protocol

P312 Broadband Security Gateway

Table 18-1 Log Screen

Field

Description

No.	This is the index number of the firewall log. 128 entries are available
	numbered from 0 to 127. Once they are all used, the log will wrap around
	and the old logs will be lost.
Time	This is the time the log was recorded in this		dd:mm:yy	e.g., Jan 1 0
	format. You must configure Menu 24.10 for		hh:mm:ss	e.g., 00:00:00
	real time; otherwise you get the time shown
	in these examples.
Packet Information	This field lists packet information such as:		From and To IP addresses
			protocol and port numbers.
Reason	This field states the reason for	not match
	the log; i.e., was the rule	<1,01> dest IP
	matched, not matched, or was
	there an attack. The set and	This means this packet does not match
	rule coordinates (<X, Y> where	the destination IP address in set 1, rule
	X=1,2; Y=00~10) follow with a	1. Other reasons (instead of dest IP) are
	simple explanation. There are	src IP, dest port, src port and protocol.
	two policy sets; set 1 (X = 1) is	attack
	for LAN to WAN rules and set 2
	(X = 2) for WAN to LAN rules. Y	land
	represents the rule in the set.
		This is a log is for a DoS attack – in this
	You can configure up to 10
	rules in any set (Y = 01 to 10).	case a land attack. Other attack types
	Rule number 00 is the default	are ip spoofing, icmp echo, icmp
	rule.	vulnerability, NetBIOS, smtp illegal
		command, traceroute, teardrop, or syn
		flood. Please see section 14.1.2 and
		Chapter 13 for a more detailed
		discussion of what these attacks mean.
Action	This field displays whether the packet was blocked (i.e., silently discarded),
	forwarded or neither (block, forward or none). “none” means that no action is
	dictated by this rule.
Previous Page	Click this button to view the previous page in your log.
Refresh	Click this button to renew the log screen.
Clear	Click this button to clear all the logs.
Next Page	Click this button to view the next page in your log.
Help	Click this button for some HTML Help on fields in this screen.

18-2 Logs