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IP ACL Settings

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In this article, you will learn how to allow specific IP addresses to access your system. Such settings will increase your network protection, minimize security risks, and prevent unauthorized access to your PBX.

To set the IP ACL (access control list):

  1. Log in to the CommPeak user portal.
  2. In the main menu on the left, select Labs.
  3. On the PBX Instances tab, click the Firewall Settings icon.

The PBX Instance Details pane with several tabs will open on the right. Here you can insert IP addresses to web and SIP access lists.

Web Access ACL

Web ACL restricts access to your PBX, PBX Stats, and Dialer websites. 

To set the web access list:

  1. Click the Web access ACL tab in the PBX Instance Details pane.
  2.  In the field under IP ACL, enter an IP address in the x.x.x.x format. You can also enter a name server address if you set up Dynamic DNS. For more information on DDNS, refer to the section below about Dynamic IP Addresses.
  3. Click on the plus icon to add the IP address. 
  4. Add all the IPs one by one.
  5. To temporarily disable a specific IP, toggle the button next to the IP address. To delete an IP, click on the delete icon.
  6. Click Save Changes.

NOTE

In the examples below, we use random IP addresses from a public database.

Web access ACL

SIP Access ACL

SIP ACL whitelists specific IP addresses for SIP registration and calls. 

To set the SIP access list:

  1. Click the SIP access ACL tab in the PBX Instance Details pane.
  2.  In the field under IP ACL, enter an IP address in the x.x.x.x format. You can also enter a name server address if you set up Dynamic DNS. For more information on DDNS, refer to the section below describing a solution for Dynamic IP Addresses.
  3. Click on the plus icon to add the IP address. 
  4. Add all the IPs one by one.
  5. To temporarily disable a specific IP, toggle the button next to the IP address. To delete an IP, click on the delete icon.
  6. Click Save Changes.

Solution for Dynamic IP Addresses

You can effectively whitelist IP addresses for static IPs only. It is often a case that your Internet Service Provider gives you a dynamic IP address. It keeps changing over and over again, so you can get rejected. The Dynamic Domain Name Service (DDNS) would be a solution for you in such a case. You can register a hostname with one of the free DDNS providers (for example, no-ip). Once registered, you obtain a fixed name server address. 

You can set up ACL for a name server address in the same way. Type the address (a fully qualified domain name) in the field under IP ACL and click on the plus icon. After you click SAVE CHANGES, the address appears in the access list.

NOTE

Adding a name server address works for both the web and SIP ACL.

Whitelisting a hostname

GEO Country ACL

Geo ACL allows any IP from countries that you can choose for both web and SIP access. When accessing your resources, the users will still need to provide their credentials.

NOTE

We recommend country whitelisting as an additional measure to the web or SIP ACL.

To whitelist IPs for countries:

  1. Enter the Web access ACL or SIP access ACL tab.
  2. Click in the field under Geo ACL to expand a list of countries.
  3. Start typing to move to a specific country, or scroll down.
  4. Select the checkbox next to the country name. Click CLEAR to clear your selection. 
  5. To temporarily disable a specific country, toggle the button next to the country name. To delete a state, click in the field showing the number of countries selected, find the country name, and uncheck it.
  6. Click Save Changes.

IMPORTANT

You can select up to 10 countries.


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