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Installing Remote Filtering Components > Preparing for installation
Preparing for installation
Deploying the Remote Filter Module | Web Filter & Security | v8.0.x, v8.1.x
Before installing remote filtering components, configure the firewall between the machine intended for Remote Filtering Server and the Policy Broker, Policy Server, and Filtering Service machine or machines to permit communication over the following ports.
Some of these ports must be open for installation, but can be closed afterward, as noted. Others must stay open for remote filtering to function properly.
Port
Description
55880
Enables communication from Remote Filtering Server to Policy Broker.
55806
40000
Enable communication from Remote Filtering Server to Policy Server during installation.
Can be closed after installation is complete.
55825
Enables communication from Policy Server to Remote Filtering Server during installation.
Can be closed after installation is complete.
15868
Filtering Service Port. Enables communication between Filtering Service and Remote Filtering Server.
15871
Block Page Port. Enables Filtering Service to send block messages to users.
If this port is not open, requests are still blocked, but users do not receive a block message.
Most organizations also have a firewall between Remote Filtering Server and Remote Filtering Clients outside the network. This firewall must be configured as follows to enable remote filtering to function properly.
You can configure the external firewall before or after installing Remote Filtering Server and deploying Remote Filtering Clients.
Port
Description
80 (or 8080)
Open this external communication port on the external firewall. This enables Remote Filtering Server to accept requests from Remote Filtering Clients outside the network.
8800
Close access to the internal communication (heartbeat) port on the external firewall.
When your environment is prepared, continue with the appropriate topic:
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Installing Remote Filtering Server on Windows
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Installing Remote Filtering Server on Linux

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Installing Remote Filtering Components > Preparing for installation
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