ZoneAlarm Firewall comes configured with optimal basic Firewall Zone settings. If you need to make changes to the basic settings, you can do these:

• Change the security levels of the ZoneAlarm Firewall zones (not recommended)
• Add a host, an IP address, a range of IP addresses, or a Subnet to a security zone
• Remove a host, an IP address, a range of IP addresses, or a Subnet from a security zone
• Edit a host, an IP address, a range of IP addresses, or a Subnet in a security zone

Changing Security Level Settings of Firewall Zones

To change the security level settings of the zones:

• Click in the ANTIVIRUS & FIREWALL panel of the ZoneAlarm software client.
• Click Settings in the Advanced Firewall section.
• Move the slider to one of the setting for the Public Zone - Off, Med., or High (default).
• Move the slider to one of the settings for the Trusted Zone. - Off, Med. (default), or High.

Adding Hosts, IP Addresses, Ranges, and Subnets to Zones

To add a host, an IP address, a range of IP addresses, or a Subnet to a Zone:

1. Click in the ANTIVIRUS & FIREWALL panel of the ZoneAlarm software client.
2. Click View Zones in the Advanced Firewall section.
   The Firewall Settings window opens and the View Zones table shows.
3. Click Add and select one of these:
   • Host/Site
   • IP Address
   • IP Range
   • Subnet
   The Add Zone window opens.
4. From the drop-down menu select the Zone ("Protecting Your Computer with ZoneAlarm Firewall") to which you want to add a new network or host:
   • Blocked
   • Trusted
   • Public
5. Fill in the required fields:
   • Host name and Description for the Host/Site
     Click Lookup to get the IP address for the host
   • IP Address and Description for the IP Address
   • IP Range Start, IP Range End, and Description for the IP Range
   • IP Address, Subnet Mask, and Description for the Subnet
6. Click OK.
   The new entity shows in the View Zones table.
7. Click OK.

Removing Hosts, IP Addresses, Ranges, and Subnets from Zones

To remove a host, an IP address, a range of IP addresses, or a Subnet from a Zone:

1. Click in the ANTIVIRUS & FIREWALL panel of the ZoneAlarm software client.
2. Click View Zones in the Advanced Firewall section.
   The Firewall Settings window opens and the View Zones table shows.
3. Select an entry in the View Zones table.
4. Click Remove.
The Delete Confirmation window opens.
5. Click Yes to confirm the deletion.
6. Click OK.

Editing Hosts, IP Addresses, Ranges, and Subnets in Zones

To edit a host, an IP address, a range of IP addresses, or a Subnet in a Zone:

1. Click in the ANTIVIRUS & FIREWALL panel of the ZoneAlarm software client.
2. Click View Zones in the Advanced Firewall section.
   The Firewall Settings window opens and the View Zones table shows.
3. Select the entry in the View Zones table.
4. Click Edit.
   The Edit Zone window opens.
5. Change the parameters as necessary.
6. Click OK.
7. Click OK.