User manual

Network Services
Cobalt Qube 3 User Manual 155
Adding a firewall rule
To add a firewall rule:
1. Select Administration > Network Services > Basic Firewall . The Firewall
Settings table appears.
2. From the Select Section pull-down menu, select Input Rule Chain, Forward
Rule Chain or Output Rule Chain. The rules table for that chain appears.
3. Click Add . The Add New Firewall Rule table appears; see Figure 76.
Figure 76. Add New Firewall Rule table
4. Configure the following settings:
• Source IP Address (Low). Enter the first or lowest source IP address in the
range of IP addresses to be matched by this rule.
• Source IP Address (High). Enter the last or highest source IP address in the
range of IP addresses to be matched by this rule.
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Note: To match any source IP address, leave both the Low and High
Source IP Address fields empty.