ZyXEL Communications ISG50 Benutzerhandbuch
Chapter 52 System
ISG50 User’s Guide
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The following table describes the labels in this screen.
52.11 SNMP
Simple Network Management Protocol is a protocol used for exchanging management information
between network devices. Your ISG50 supports SNMP agent functionality, which allows a manager
station to manage and monitor the ISG50 through the network. The ISG50 supports SNMP version
between network devices. Your ISG50 supports SNMP agent functionality, which allows a manager
station to manage and monitor the ISG50 through the network. The ISG50 supports SNMP version
Table 279
Configuration > System > FTP
LABEL
DESCRIPTION
Enable
Select the check box to allow or disallow the computer with the IP address that
matches the IP address(es) in the Service Control table to access the ISG50
using this service.
matches the IP address(es) in the Service Control table to access the ISG50
using this service.
TLS required
Select the check box to use FTP over TLS (Transport Layer Security) to encrypt
communication.
communication.
This implements TLS as a security mechanism to secure FTP clients and/or
servers.
servers.
Server Port
You may change the server port number for a service if needed, however you
must use the same port number in order to use that service for remote
management.
must use the same port number in order to use that service for remote
management.
Server
Certificate
Certificate
Select the certificate whose corresponding private key is to be used to identify the
ISG50 for FTP connections. You must have certificates already configured in the
My Certificates screen (Click My Certificates and see
ISG50 for FTP connections. You must have certificates already configured in the
My Certificates screen (Click My Certificates and see
for details).
Service Control
This specifies from which computers you can access which ISG50 zones.
Add
Click this to create a new entry. Select an entry and click Add to create a new
entry after the selected entry. Refer to
entry after the selected entry. Refer to
for details on the
screen that opens.
Edit
Double-click an entry or select it and click Edit to be able to modify the entry’s
settings.
settings.
Remove
To remove an entry, select it and click Remove. The ISG50 confirms you want to
remove it before doing so. Note that subsequent entries move up by one when
you take this action.
remove it before doing so. Note that subsequent entries move up by one when
you take this action.
Move
To change an entry’s position in the numbered list, select the method and click
Move to display a field to type a number for where you want to put it and press
[ENTER] to move the rule to the number that you typed.
Move to display a field to type a number for where you want to put it and press
[ENTER] to move the rule to the number that you typed.
#
This the index number of the service control rule.
The entry with a hyphen (-) instead of a number is the ISG50’s (non-configurable)
default policy. The ISG50 applies this to traffic that does not match any other
configured rule. It is not an editable rule. To apply other behavior, configure a rule
that traffic will match so the ISG50 will not have to use the default policy.
default policy. The ISG50 applies this to traffic that does not match any other
configured rule. It is not an editable rule. To apply other behavior, configure a rule
that traffic will match so the ISG50 will not have to use the default policy.
Zone
This is the zone on the ISG50 the user is allowed or denied to access.
Address
This is the object name of the IP address(es) with which the computer is allowed
or denied to access.
or denied to access.
Action
This displays whether the computer with the IP address specified above can
access the ISG50 zone(s) configured in the Zone field (Accept) or not (Deny).
access the ISG50 zone(s) configured in the Zone field (Accept) or not (Deny).
Apply
Click Apply to save your changes back to the ISG50.
Reset
Click Reset to return the screen to its last-saved settings.