PLANET CS-1000 - Manual (Page 60)

Multi-Homing Security Gateway User’s Manual
Removing a DMZ Group:
Step 1. In the DMZ Group window, locate the group to be removed and click its corresponding Remove
option in the Configure field.
Step 2. In the Remove confirmation pop-up box, click OK to remove the group.
3.3.2 Service
In this section, network services are defined and new network services can be added. There are three sub
menus under Service which are: Pre-defined, Custom, and Group. The Administrator can simply follow the
instructions below to define the protocols and port numbers for network communication applications. Users
then can connect to servers and other computers through these available network services.
What is Service?
TCP and UDP protocols support varieties of services, and each service consists of a TCP Port or UDP port
number, such as TELNET(23), SMTP(21), POP3(110),etc. The Multi-Homing Security Gateway defines two
services: pre-defined service and custom service. The common-use services like TCP and UDP are defined in
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