Firewall - Planet Networking & Communication LCG-300 Series User Manual

4.8.1

Firewall

A "Denial-of-Service" (DoS) attack is characterized by an explicit attempt by hackers to prevent
legitimate users of a service from using that service. The LoRaWAN Gateway can prevent specific DoS
attacks as shown in Figure
Object
SPI Firewall
Block SYN Flood
Block FIN Flood
Block UDP Flood
4-7-2.
Figure 4-7-2: Firewall
The SPI Firewall prevents attack and improper access to network
resources.
The default configuration is enabled.
SYN Flood is a popular attack way. DoS and DDoS are TCP
protocols. Hackers like using this method to make a fake connection
that involves the CPU, memory, and so on.
The default configuration is enabled.
If the function is enabled, when the number of the current FIN
packets is beyond the set value, the LoRaWAN Gateway will start
the blocking function immediately.
The default configuration is disabled.
If the function is enabled, when the number of the current
UPD-FLOOD packets is beyond the set value, the LoRaWAN
Gateway will start the blocking function immediately.
The default configuration is disabled.
- 92 -
Industrial LoRaWAN Gateway
Description
LCG-300 series