ZyXEL Communications LTE3301 Series, Руководство пользователя

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Chapter 14 Firewall
LTE3301 Series User’s Guide
107
See Appendix C on page 173 for commonly used services and port numbers.
Source IP Address Enter the IP address of the computer that initializes traffic for the application or service.
The LTE3301 applies the firewall rule to traffic initiating from this computer.
Protocol Select the protocol (
TC P
,
UDP
or
IC MP
) 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 (
TC P
,
UDP
or
IC MP
) 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
DRO P
- Traffic matching the conditions of the firewall rule are stopped.
Delete Click
De le te
to remove the firewall rule.
Cancel Click
C a nc e l
to start configuring this screen again.
Table 48 Security > Firewall > Services (continued)
LABEL DESC RIPTIO N