Chapter 19 Firewall
AX/DX/EX/PX Series User’s Guide
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The following table describes the labels in this screen.
19.4 Protocol (Customized Services)
You can configure customized services and port numbers in the Protocol screen. Each set of protocol
rules listed in the table are reusable objects to be used in conjunction with ACL rules in the Access
Control screen. For a comprehensive list of port numbers and services, visit the IANA (Internet Assigned
Number Authority) website. Click Security > Firewall > Protocol to display the following screen.
Note: Removing a protocol rule will also remove associated ACL rules.
Figure 203 Security > Firewall > Protocol
The following table describes the labels in this screen.
Table 124 Security > Firewall > General
LABEL DESCRIPTION
IPv4
Firewall
Enable firewall protection when using IPv4 (Internet Protocol version 4).
IPv6
Firewall
Enable firewall protection when using IPv6 (Internet Protocol version 6).
High This setting blocks all traffic to and from the Internet. Only local network traffic and LAN to WAN service
(Telnet, FTP, HTTP, HTTPS, DNS, POP3, SMTP) is permitted.
Medium This is the recommended setting. It allows traffic to the Internet but blocks anyone from the Internet
from accessing any services on your local network.
Low This setting allows traffic to the Internet and also allows someone from the Internet to access services on
your local network. This would be used with Port Forwarding, Default Server.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.
Table 125 Security > Firewall > Protocol
LABEL DESCRIPTION
Add New Protocol
Entry
Click this to configure a customized service.
Name This is the name of your customized service.
Description This is a description of your customized service.
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