D-Link DFL-1600 User Manual page 64

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Redirect – the source is told that there is a better route for a
particular packet. Codes assigned are as follows:
- Code 0. Redirect datagrams for the network
- Code 1. Redirect datagrams for the host
- Code 2. Redirect datagrams for the Type of Service and the
network
- Code 3. Redirect datagrams for the Type of Service and the host
Parameter Problem – identifies an incorrect parameter on the
datagram.
Echo Reply – the reply from the destination which is sent as a result
of the Echo Request.
Source Quenching – the source is sending data too fast for the
receiver, the buffer has filled up.
Time Exceeded – the packet has been discarded as it has taken too
long to be delivered.
Example:
A custom ICMP service is added and can be used in security policies.
WebUI
:
Objects Services
General:
Enter a Name for the new ICMP service.
ICMP Parameters
Select the ICMP type and specify the codes for the service.
(If the All ICMP Message Types option is selected, this service will
match all 256 possible ICMP Message Types.)
Click OK.
Adding a custom ICMP service
Add
D-Link Firewalls User's Guide
Chapter 8. Logical Objects
ICMP Service