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.
To configure a firewall, use the following steps:
- In the navigation
area, click HMC Management.
- Click Change
network
settings.
- Click the LAN
Adapters tab.
- Select the LAN adapter
that you want to work with and click Details.
- Click the Firewall tab.
- Using one of the following methods, you can allow
any IP
address using a particular applications through the firewall, or you
can specify one or more IP addresses:
- Allow any
IP address 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 has been 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.
- Click OK.