Add Customized Service; Access Control (Rules) - ZyXEL Communications Nebula LTE3301-PLUS User Manual

Table 82 Security > Firewall > Protocol (continued)
LABEL
Ports/
Protocol
Number
Modify

17.4.1 Add Customized Service

Add a customized rule or edit an existing rule by specifying the protocol and the port numbers. Click
Add New Protocol Entry in the Protocol screen to display the following screen.
Figure 135 Security > Firewall > Protocol: Add New Protocol Entry
The following table describes the labels in this screen.
Table 83 Security > Firewall > Protocol: Add New Protocol Entry
LABEL
Service Name
Description
Protocol
Protocol Number
OK
Cancel

17.5 Access Control (Rules)

An Access Control List (ACL) rule is a manually-defined rule that can accept, reject, or drop incoming or
outgoing packets from your network. This screen displays a list of the configured incoming or outgoing
filtering rules. Note the order in which the rules are listed. Click Security > Firewall > Access Control to
display the following screen.
Note: The ordering of your rules is very important as rules are applied in turn.
Chapter 17 Firewall
DESCRIPTION
This shows the port number or range and the IP protocol that defines your customized service.
Click this to edit a customized service.
DESCRIPTION
Type a unique name for your custom port.
Enter a description for your custom port.
Choose the protocol (TCP, UDP, ICMP, ICMPv6, or Other) that defines your customized port from
the drop down list box.
Type a single port number or the range of port numbers (0 – 255) that define your customized
service.
Click this to save your changes.
Click this to exit this screen without saving.
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