3Com OfficeConnect 3C16771 User Manual page 100

100 C 4: C
HAPTER
LAN Out
I
When the check box is clicked for a specific protocol,
users on the LAN can access servers of that type on the
Internet. When the check box is cleared, users on the
LAN cannot access servers of that type on the Internet.
The default value is enabled. When the Warning Icon is
displayed to the right of the check box, there is a
Custom Rule in the Rules tab section that modifies the
behavior of the listed Network Access Rule.
LAN In
I
When this check box is cleared, access to the protocol is
not permitted from the WAN and DMZ, if appropriate,
to the LAN. When the service is selected, users on the
WAN and DMZ can access all hosts on the LAN via that
protocol. The default value is disabled; use caution
when enabling. When the Warning Icon is displayed to
the right of the check box, there is a Custom Rule in the
Rules tab section that modifies the behavior of the listed
Network Access Rule. The LAN In column is not
displayed if NAT is enabled.
DMZ In
I
If you are using the Internet Firewall DMZ, when this
check box is cleared, access to the protocol is not
permitted from the Internet to the DMZ. When the
service is selected, users on the Internet can access all
hosts on the DMZ via that protocol. The default value is
enabled. When the Warning Icon is displayed to the
right of the check box, there is a Custom Rule in the
Rules tab section that modifies the behavior of the listed
Network Access Rule.
Public LAN Server
I
A Public LAN Server is a single host on the LAN that is
defined to handle all traffic originating from the
Internet to the LAN of a specific protocol, such as HTTP.
Define a Public LAN Server by typing its IP address in the
Public LAN Server box for that protocol. If a server is not
designated for a certain protocol, type
box.
R
OMMAND EFERENCE
in the
0.0.0.0