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Table 183 icmp notes – ZyXEL Communications 5 Series User Manual

Page 524

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ZyWALL 5/35/70 Series User’s Guide

524

Chapter 30 Logs Screens

(L to L/ZW)

LAN to LAN/
ZyWALL

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

(W to W/ZW)

WAN to WAN/
ZyWALL

ACL set for packets traveling from the WAN to the WAN
or the ZyWALL.

(D to D/ZW)

DMZ to DMZ/
ZyWALL

ACL set for packets traveling from the DMZ to the DM or
the ZyWALL.

(L to WL)

LAN to WLAN

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

(WL to L)

WLAN to LAN

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

(W to WL)

WAN to WLAN

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

(WL to W)

WLAN to WAN

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

(D to WL)

DMZ to WLAN

ACL set for packets traveling from the DMZ to the WLAN.

(WL to D)

WLAN to DMZ

ACL set for packets traveling from the WLAN to the DMZ.

(WL to WL)

WLAN to WLAN/
ZyWALL

ACL set for packets traveling from the WLAN to the
WLAN or the ZyWALL.

Table 183 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

3

Redirect datagrams for the Type of Service and Host

8

Echo

0

Echo message

Table 182 ACL Setting Notes (continued)

PACKET DIRECTION

DIRECTION

DESCRIPTION