Firewall; What You Can Do In This Chapter; Firewall General Settings - ZyXEL Communications LTE Series User Manual

Do S T hre sho lds
For DoS attacks, the Zyxel Device uses thresholds to determine when to drop sessions that do not
become fully established. These thresholds apply globally to all sessions. You can use the default
threshold values, or you can change them to values more suitable to your security requirements.
12.2 Fire wa ll
12.2.1 Wha t Yo u C a n Do in this C ha pte r
• Use the
G e ne ra l
on page
• Use the
Pro to c o l
(Section 12.4 on page
• Use the
Ac c e ss C o ntro l
on page
• Use the
Do S
page 133).
12.3 Fire wa ll G e ne ra l Se tting s
Use the firewall to protect your Zyxel Device and network from attacks by hackers on the Internet and
control access to it. Use this screen to set the security level of the firewall on the Zyxel Device. Firewall
rules are grouped based on the direction of travel of packets. A higher firewall level means more
restrictions on the Internet activities you can perform. Click
following screen. Use the slider to select the level of firewall protection.
screen to configure the security level of the firewall on the Zyxel Device
127).
screen to add or remove predefined Internet services and configure firewall rules
129).
screen to view and configure incoming/outgoing filtering rules
130).
screen to activate protection against Denial of Service (DoS) attacks
LTE Series User's Guide
Chapter 12 Firewall
Se c urity > Fire wa ll > G e ne ra l
127
(Section 12.3
(Section 12.5
(Section 12.6 on
to display the