Example 2: Block everyone except a particular range

An example of how to block everyone except a particular range.

Let's turn the problem around. So if an address is between 64.236.16.0 -> 64.236.16.255 we want to allow it connect, but we want to deny everybody else. To do this we're going to need two rules, one to allow that range, and a second to deny everybody else.

Click New and add a new rule. Then fill it in as follows.

Figure 1. Allow range

Now let's add the deny rule.

Figure 2. Deny all