Firewall; Overview - Huawei B2368 User Manual

LTE CPE B2368
User Guide

10.1 Overview

Use the LTE Device firewall screens to enable and configure the firewall that protects your
LTE Device and network from attacks by hackers on the Internet and control access to it. By
default the firewall:
l
l
The following figure illustrates the default firewall action. User A can initiate an IM (Instant
Messaging) session from the LAN to the WAN (1). Return traffic for this session is also
allowed (2). However other traffic initiated from the WAN is blocked (3 and 4).
Figure 10-1 Default Firewall Action
Issue 03 (2019-01-31)
Allows traffic that originates from your LAN and WLAN computers to go to all other
networks.
Blocks traffic that originates on other networks from going to the LAN and WLAN.
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Firewall

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