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Installation, Deployment, and Upgrade
Installing Unica Discover involves planning and preparing your environment, installing and configuring prerequisite software, obtaining the Unica Discover installation files, and running the Unica Discover installer.
Discover Network Capture Application Manual
DNCA monitoring
You can monitor the passive capturing to diagnose performance issues.
Checklist for diagnosing Network Capture Application issues
The DNCA web console provides detailed information about how to diagnose issues with the Unica DiscoverNetwork Capture Application.

Installation, Deployment, and Upgrade
Installing Unica Discover involves planning and preparing your environment, installing and configuring prerequisite software, obtaining the Unica Discover installation files, and running the Unica Discover installer.
- Installation and Deployment Manual
- Discover Network Capture Application Manual
  - Discover Network Capture Application Overview
    Network Capture Application from Discover captures and records the complete interaction between the visitor and the web application environment by using a network tap or network switch spanning port. The Network Capture Application software features the following benefits:
  - Installing the Network Capture Application
    The following instructions can be used to assist the installation of your Network Capture Application software.
  - Configuring the DNCA
    The Unica Discover Network Capture Application can be configured through a web-based console or through the configuration files that are stored on the DNCA server. The following information guides you on how to configure the DNCA.
  - Upgrade for DNCA
    It is recommended that you always use the latest version of the Unica Discover Network Capture Application suitable for your version of Unica Discover.
  - Packet Forwarder Overview
    The Packet Forwarder is used to capture and forward hits to a cloud-based DNCA that is operating on a virtual machine.
  - SSL Keys
    For decrypting transmissions by using the SSL protocol, the Unica Discover Network Capture Application must be provided the SSL keys in use in the transaction stream.
  - Performance Measurement
    Performance measurement provides details on the Network Capture software performance and timestamp measurements.
  - Configuring DNCA on Red Hat Enterprise Linux™ (RHEL)
    The following sections contain important information for configuring DNCA in a Red Hat Enterprise Linux™ environment:
  - DNCA monitoring
    You can monitor the passive capturing to diagnose performance issues.
    - Checklist for diagnosing Network Capture Application issues
      The DNCA web console provides detailed information about how to diagnose issues with the Unica DiscoverNetwork Capture Application.
      - Main checklist
        The following checklist can be used to verify that the status of your DNCA environment.
      - Additional DNCA configuration checklist
        In addition to the main checklist, you can perform some additional checks based on the following issues:
    - Additional tips for diagnosing issues
      If the main checklist did not help to diagnose the issue, you can review the following items to verify performance of the Unica DiscoverNetwork Capture Application server.
    - Logging for the Network Capture Application
    - Setting the log levels for DNCA processes for troubleshooting
      The DNCA processes generate messages. For normal operations, the logging levels are set to a default level. During a troubleshooting situation, Support Services might ask you to adjust the logging levels to see additional information to resolve issues. Logging levels are set in the .bashrc file on the Linux server. Increasing the levels increases the number of events that are generated and the size of the log files must be checked constantly to not use up too much space. Changing the levels is only recommended for a short period for debugging.
  - Overview of DNCA maintenance
    The maintenance utility performs routine maintenance and logging tasks for Discover DNCA. You can use the utility to help maintain the ability of the DNCA to perform DNCA.
  - DNCA frequently asked questions (FAQ)
    The following content contains frequently asked questions or scenarios that can be used to help isolate or fix an issue with your Network Capture Application.
  - Downloading Privacy Configuration
  - Enabling web console access through a single IP address
    You can specify a single IP address which can access the web console. Limiting access to a single IP address helps to prevent unauthorized access through an unknown system.
  - Applying authentication when accessing the web console
    You can improve security by enabling authentication to the web console.
- Unica Discover Session Archiving Installation Guide
  As you prepare for an installation, you need to gather some items, review hardware and software requirements, and then you can perform the installation.
- Discover Upgrade Manual

Checklist for diagnosing Network Capture Application issues

The DNCA web console provides detailed information about how to diagnose issues with the Unica DiscoverNetwork Capture Application.

You can use the following checklist to verify DNCA operations through the tabs of the DNCA Web Console.

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