ZyXEL Communications LTE3316-M604, Руководство пользователя

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Chapter 15 Firewall
LTE3316 Series User’s Guide
115
See Appendix B on page 180 for commonly used services and port numbers.
Dest IP Address Enter the IP address of the computer to which traffic for the application or service is entering.
The Zyxel Device applies the firewall rule to traffic initiating from this computer.
Source IP Address Enter the IP address of the computer that initializes traffic for the application or service.
The Zyxel Device applies the firewall rule to traffic initiating from this computer.
Protocol Select the protocol ( TCP , UDP or ICMP ) used to transport the packets for which you want to
apply the firewall rule.
Dest Port Range Enter the port number/range of the destination that define the traffic type, for example TCP
port 80 defines web traffic.
Source Port Range Enter the port number/range of the source that define the traffic type, for example TCP port
80 defines web traffic.
Add Rule Click Add to save the firewall rule.
Firewall Rule
# This is your firewall rule number. The ordering of your rules is important as rules are applied in
turn.
Service Name This is a name that identifies or describes the firewall rule.
MAC address This is the MAC address of the computer for which the firewall rule applies.
Dest IP This is the IP address of the computer to which traffic for the application or service is entering.
Source IP This is the IP address of the computer from which traffic for the application or service is
initialized.
Protocol This is the protocol ( TCP , UDP or ICMP ) used to transport the packets for which you want to
apply the firewall rule.
Dest Port Range This is the port number/range of the destination that define the traffic type, for example TCP
port 80 defines web traffic.
Source Port Range This is the port number/range of the source that define the traffic type, for example TCP port
80 defines web traffic.
Action DROP - Traffic matching the conditions of the firewall rule are stopped.
Delete Click Delete to remove the firewall rule.
Cancel Click Cancel to start configuring this screen again.
Table 46 Configuration > Security > Firewall > Services (continued)
LABEL DESCRIPTION