Nat - Huawei EchoLife HG520 User Manual

Smurf and Fraggle: sends packets that use the WAN or
LAN IP broadcast address as the source address
Land Attack: sends packets that use the same address
as the source and destination address
Ping of Death: sends IP packets with illegal length
For Use DoS Protection, select Allow to use the following
denial of service protections: SYN DoS, ICMP DoS, and
Per-host DoS protection.
For Max TCP Open Handshaking Count, enter the
maximum number of TCP connections. If the TCP
connections exceed this number, HG520 will discard the
new incoming TCP connections.
For Max ICMP Count, enter the maximum number of ICMP
connections. If the ICMP connections exceed this number,
HG520 will discard the new incoming ICMP connections.
For Max Host Count, enter the maximum number of host,
including hosts on the LAN.
After configuration, click Apply to save the settings.

3.3.7 NAT

Click NAT of Advanced in the navigation bar to display the NAT
configuration page.
Network Address Translation (NAT) is to transfer the internal
addresses of your LAN computers into a public address when the LAN
computers access the external network. NAT is only applicable to TCP
or UDP based applications.
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