> ### Changing FathomTrendDatabase settings

> You determine whether the FathomTrendDatabase stores trend data in a local or remote Fathom database. For trending to a local database, you specify the local database path name and the local database port when you initially configure Fathom; for trending to a remote Fathom instance, you specify the remote Fathom host name and the Fathom Web server port. (These initial configuration steps are described in Chapter 5, "Setting Up Fathom for the First Time.")

> Although you cannot choose to use the HTTPS protocol when you are making your initial configuration decisions regarding the location of the FathomTrendDatabase, you can make that choice afterwards by updating the configuration options. If you have a client that needs to get through a firewall, you can also configure trending to use a proxy server instead of connecting directly to the Internet.

> For HTTPS, you can open data transfer to anyone, keeping in mind that it might add some overhead to communications.

> If you choose to trend to a scripted database and use the HTTPS protocol, the machine on which the database resides must have HTTPS enabled in the Web server configuration.

> To store trend data in a managed Fathom database:

> 1. Select Trend database in the list frame. The Fathom Trend Database Configuration page appears in the detail frame and displays the current trend database settings.
> 2. Select Store trend data in a local Fathom database.
> 3. Type the database path name (for example, C:\Fathom\db\Fathom.db). (Note that the inclusion of the .db extension is optional when you provide the path name.)
> 4. Type the database port number (for example, 1234).
> 5. Click Submit.

> To store trend data in a remote Fathom instance:

> 1. Select Trend database in the list frame. The Fathom Trend Database Configuration page appears in the detail frame and displays the current trend database settings.
> 2. Select Store trend data in a remote Fathom instance.
> 3. Type the host name in the Fathom host name field.
> 4. Type the remote Fathom Web server port number in the Fathom port field. Typically, the number is 9090 for HTTP or 9443 for HTTPS.
> 5. To use HTTPS, select the Use HTTPS (SSL) protocol option.
> 6. Choose one:
> - If you want to work with the demo keystore and are not using a proxy server, click Submit. Then see the "Using SSL with Fathom Management" section for details about using an HTTPS connection.
> - If you are an advanced user and you want to change keystore information or use a proxy server, continue with the "Using advanced HTTPS options when trending remotely" section.

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