Cato Networks Knowledge Base

Configuring Local Port Forwarding

  • Updated

Using Local Port Forwarding

Note

Note: Local Port Forwarding isn't supported for IPsec sites.

The local port forwarding feature lets remote Internet hosts connect to a host or server on the LAN of the Socket site. This feature is intended for cases where it's necessary to bypass the Cato Cloud and allow the source host direct access to the Socket and then the internal host. You can also configure an the Allowed Remote IPs as an access control list (ACL) that define which external IP addresses can access the internal host.

In general, we recommend that you use remote port forwarding (see Configuring Remote Port Forwarding for the Account) to route traffic to internal resources whenever it's possible.

To define a local port forwarding rule:

  1. From the navigation menu, click Network > Sites and select the site.

  2. From the navigation menu, click Site Settings > Local Port Forwarding.

  3. Click New. The Create Rule panel opens.

    You can configure the local port settings for this host by entering:

    • A Name for the rule.

    • The External Port or ports (range) that the Socket listens to.

    • The Internal IP address and Internal Port or ports (range) that the Socket NATs the external traffic to.

  4. (Optional) You can configure the Allowed Remote IPs that are allowed to connect to this host.

    • Under Allowed Remote IPs, you can enter a specific IP address, an IP range (10.2.1.1-10.1.2.5) or a CIDR block (10.1.3.0/29).

    • You can also paste a comma separated list with multiple IP addresses and ranges, for example: 10.1.1.1, 10.2.1.1-10.1.2.5

  5. Click Apply.

To delete a local port forwarding rule:

  1. From the navigation menu, click Network > Sites and select the site.

  2. From the navigation menu, click Site Settings >Local Port Forwarding.

  3. Click the More icon ( More_icon.png ) on the rule line to delete and select Delete Rule.

  4. In the confirmation window, click Delete. The rule is removed.

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