D-Link DXS-3250E - xStack Switch, Web/Installation Manual

Page: 145 / 424

DXS-3227, DXS-3227P, DXS-3250 and DXS-3250E EWS User Guide
Page 144
Defining Martian Address Filtering
Martian Address Filtering enables discarding IP packets from invalid IP addresses. Martian addresses include
packets from a source IP addresses outside or not used within the configured network. Martian addresses include
any address within the following ranges:
•
0.0.0.0/8 (Except 0.0.0.0/32 as a Source Address) — Addresses in this block refer to source hosts on "this"
network.
•
127.0.0.0/8 — Used as the Internet host loopback address.
•
192.0.2.0/24 — Used as the TEST-NET in documentation and example codes.
•
224.0.0.0/4 (As a Source IP Address) — Used in IPv4 Multicast address assignments, and This formerly
known as Class D Address Space.
•
240.0.0.0/4 (Except 255.255.255.255/32 as a Destination Address) — Reserved address range, and is for-
merly known as Class E Address Space.
To define Martian Addresses:
1. Click Advanced Setup > Security Suite > DOS Attacks >Martian Addressees . The Martian Addresses
Page opens.
Figure 84: Martian Addresses Page