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This document describes version 5 of Unblu. If you’re using the latest major version of Unblu, go to the documentation of the latest version.

The support period for version 5 ended on 22 November 2021. We no longer provide support or updates for this version. You should upgrade to the latest version of Unblu.

Supplementary Information on SecureFlow Manager

Below are some links to the information you will need if you decide to deploy the SecureFlow Manager (filter).

SecureFlow Manager Usage

For more on the SecureFlow Manager usage see: SecureFlow Manager Usage

For the complete filter specification see: Filter Specification

For (example) instructions on how to install the SecureFlow Manager using Apache 2 see: Installing the SecureFlow Manager.

Available Filters

Filter implementations for a number of well-known proxies are provided by and can be requested from Unblu in binary or source code form (see below). This includes: native filter (C source code package); typically used for OEM integrations with proxy providers.

F5 BIG-IP is not supported. If you already use F5 please talk to us about it.

In addition, the following proxies feature Filter integrations provided by Unblu and / or the proxy distributor:

Reverse Proxy Integration (Optional)

Unblu can be used with or without a reverse proxy but there are a number of general benefits to using a reverse proxy such as load balancing and security, and it allows you to remove the need for direct access to your servers.

The main benefit of integrating a reverse proxy, in the case of the Unblu product, is that it allows you to use the SecureFlow Manager. The SecureFlow Manager can be used inside the filter chain of a reverse proxy to inject the snippet dynamically and accommodate co-browsing-specific communication automatically.

In cases where capture and secure resources are of particular importance, the SecureFlow Manager integration is recommended. Using the SecureFlow Manager means that all resources will come from the server and that everything is uploaded by the SecureFlow Manager. See Architecture with the SecureFlow Manager. (Depending on your current setup, using the SecureFlow Manager can harden your system by reducing the 'attack surface'.)

For more on the SecureFlow Manager see: SecureFlow Manager and Installing the SecureFlow Manager.

For more on configuring the reverse proxy see: Reverse Proxy Integration and Configuring Apache 2


For a complete description of all embedded co-browsing limitations see: Limitations of Embedded Co-Browsing.