In an open network, a firewall is used to control outside access to your company network.
The HMC also has a firewall on each of its Ethernet
adapters. To control the HMC remotely or give remote
access to others, modify the firewall settings of the Ethernet adapter on the HMC that is connected
to your open network.
About this task
To configure a firewall, use the following steps:
Procedure
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In the navigation area, click the HMC
Management icon , and then select Console Settings.
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In the content pane, click Change network settings.
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Click the LAN Adapters tab.
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Select the LAN adapter that you want to work with and click
Details.
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Click the Firewall tab.
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Using one of the following methods, you can allow any IP address by using a particular
application through the firewall, or you can specify one or more IP addresses:
- Allow any IP address by using a particular application through the firewall:
- From the top box, highlight the application.
- Click Allow Incoming. The application displays in the bottom box to
signify that it is selected.
- Specify which IP addresses to allow through the firewall:
- From the top box, highlight an application.
- Click Allow Incoming by IP Address.
- On the Hosts Allowed window, enter the IP address and the network mask.
- Click Add and click OK.
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Click OK.