Zte H3140 Maintenance Management Manual page 32

H3140 Maintenance Management Guide
Steps
Configure the Firewall
1. On the main page of the H3140, select Internet > Security > Firewall to the Fire-
wall page, see
Figure 4-10 Firewall Page
2. Set the parameters. For a description of the parameters, refer to
Table 4-5 Firewall Parameter Descriptions
Parameter
Enable
Firewall Level
3. Click Apply button to apply the changes.
Configure the Anti-Dos Attack
4. On the main page of the H3140, select Internet > Security > Firewall to the An-
ti-DoS Attack page, see
26
Figure 4-10.
Description
To enable the firewall level to be configured, select this check box.
High: allows legal access from the WAN but forbids Internet de-

vices from sending ping packets to the WAN interface of the
H3140.
Middle(Recommended): allows legal access from the WAN and

blocks dangerous data from the Internet.
Low: allows legal access from the WAN and allows Internet de-

vices to send ping packets to the WAN interface of the H3140.
Figure 4-11.
SJ-20210621164956-009 | 2021-12-07(R1.0)
Table 4-5.