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4.8 Web-Based Management - WBM
The firewall is disabled. After restarting the CPU, the firewall is enabled again.
Permanent enabling
1. Activate the [Activation] selection field.
2. Click on [Apply].
The firewall is enabled and remains enabled even after a restart.
Permanent disabling
1. Disable the [Activation] selection field.
2. Click on [Apply].
The firewall is disabled and remains disabled even after a restart.
By disabling the firewall you endanger the security of your system, especially if it can be reached via the Internet! The
firewall should only temporarily be disabled for testing purposes such as troubleshooting.
6. Configuration
The configuration of the firewall rules is divided into the following tabs:
• Basic Configuration
– Here you will find predefined firewall rules which you can enable or disable.
• User Configuration
– Here you can create, enable or disable your own firewall rules according to defined specifications.
There is a [Action] column in both tabs. The firewall settings are applied with the [Apply] button. There are the
following setting options for the [Action] column:
• Accept
– The corresponding connection and connection request is accepted.
– The corresponding connection can be established.
• Drop
– The corresponding connection is interrupted.
– There is no answer to the corresponding request.
– The corresponding package is discarded.
• Reject
– The corresponding connection is rejected.
– The sender receives a response to the corresponding request.
• Continue
– The rule is not executed.
– This can be used e.g., to skip a rule in the [Basic Configuration] and instead create a rule in the [User Con-
figuration] and enable it there.
7. Tab: Basic Configuration
[ICMP Configurations]
• [Incoming ICMP requests accepted]
– enabled: Incoming ICMP echo requests are accepted. The CPU can be reached with a ping request.
– disabled: Incoming ICMP echo requests are blocked. The CPU can not be reached with a ping request.
• [Outgoing ICMP requests accepted]
– enabled: Outgoing ICMP echo requests are accepted. Ping requests from the CPU are transmitted.
– disabled: Outgoing ICMP echo requests are blocked. Ping requests from the CPU are
blocked. [Basic Rules]