Table 160 acl setting notes table 161 icmp notes – ZyXEL Communications Prestige 2602R Series User Manual

Page 432

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Prestige 2602R Series User’s Guide

432

Appendix K Log Descriptions

ip spoofing - no routing
entry ICMP (type:%d,
code:%d)

The firewall classified an ICMP packet with no source routing entry

as an IP spoofing attack.

vulnerability ICMP
(type:%d, code:%d)

The firewall detected an ICMP vulnerability attack.

traceroute ICMP (type:%d,
code:%d)

The firewall detected an ICMP traceroute attack.

Table 160 ACL Setting Notes

PACKET DIRECTION

DIRECTION

DESCRIPTION

(L to W)

LAN to WAN

ACL set for packets traveling from the LAN to the WAN.

(W to L)

WAN to LAN

ACL set for packets traveling from the WAN to the LAN.

(L to L/Prestige)

LAN to LAN/

Prestige

ACL set for packets traveling from the LAN to the LAN or

the Prestige.

(W to W/Prestige)

WAN to WAN/

Prestige

ACL set for packets traveling from the WAN to the WAN

or the Prestige.

Table 161 ICMP Notes

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

Table 159 Attack Logs (continued)

LOG MESSAGE

DESCRIPTION

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