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Chapter 15 Firewall
LTE3316-M604 User’s Guide
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Figure 64 Configuration > Security > Firewall > Generall
The following table describes the labels in this screen.
15.3 Firewall Services
If an outside user attempts to probe an unsupported port on your LTE, an ICMP response packet is
automatically returned. This allows the outside user to know the LTE exists. Use this screen to prevent the
ICMP response packet from being sent. This keeps outsiders from discovering your LTE when unsupported
ports are probed.
You can also use this screen to enable service blocking, enter/delete/modify the services you want to
block and the date/time you want to block them.
Click Configuration > Security > Firewall > Services. The screen appears as shown next.
Table 45 Configuration > Security > Firewall > General
LABEL DESCRIPTION
Enable Firewall Select this check box to activate the firewall. The LTE performs access control and protects
against Denial of Service (DoS) attacks when the firewall is activated.
Cancel Click Cancel to start configuring this screen again.
Apply Click Apply to save the settings.
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