User's Manual

Chapter 12 Firewall
B222s User’s Guide
107
12.2 The General Screen
Use t his screen t o enable or disable t he LTE Device’s firewall. Click Securit y > Fir e w all to open the
Gen e ra l screen.
Figure 60 Secur it y > Firewall > General
The following t able describes t he labels in t his screen.
Table 40 Security > Firewall > General
LABEL DESCRIPTION
Fir ewall Select En able to act ivat e the firewall. The LTE Device perform s access cont rol and
prot ects against Denial of Service (DoS) at t acks w hen t he firewall is act ivated.
Easy, Medium ,
High
Select Ea sy to have the firewall allow bot h LAN- to-WAN and WAN- t o- LAN t raffic t o flow
t hr ough t he LTE Device.
Select Me dium to have the firewall only allow traffic sent from t he LAN to t he WAN. All
traffic sent or access from t he WAN will be blocked.
Select High to have t he firewall only allow Telnet, FTP, HTTP, HTTPS, DNS, POP3, and
SMTP t raffic sent from the LAN t o the WAN. Other t raffic will be blocked.
Apply Click Apply t o save your changes.
Cancel Click Ca ncel t o r est ore your previously saved set t ings.