ZyXEL Communications LTE5121, Руководство пользователя

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Chapter 12 Firewall
LTE-5121 User’s Guide
129
12.4 The Access Control Screen
Click Security > Firewall > Access Control to display the following screen. This screen displays a
list of the configured incoming or outgoing filtering rules.
Figure 88
Security > Firewall > Access Control
Each field is described in the following table.
Apply Click Apply to save your changes.
Back Click Back to exit this screen without saving your changes.
Table 48
Security > Firewall > Services > Add New Service Entry (continued)
LABEL DESCRIPTION
Table 49
Security > Firewall > Access Control
LABEL DESCRIPTION
Rules Storage
Space usage This bar shows the percentage of the LTE Device’s space currently in use. When the space
is almost full, you may need to remove an existing filter rule before you create a new one.
Add new ACL rule Click this to go to add a filter rule for incoming or outgoing IP traffic.
Name This displays the name of the rule.
Src IP This displays the source IP addresses to which this rule applies. Please note that a blank
source address is equivalent to Any.
Dst IP This displays the destination IP addresses to which this rule applies. Please note that a
blank destination address is equivalent to Any.
Services This displays the protocol type and a port range that define the service to which this rule
applies.
Policy This field displays whether the rule silently discards packets (DROP), discards packets
and sends a TCP reset packet or an ICMP destination-unreachable message to the sender
(REJECT) or allows the passage of packets (PERMIT).
Modify Click the Edit icon to edit the rule.
Click the Delete icon to delete an existing rule. Note that subsequent rules move up by
one when you take this action.