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Chapter 13: Using Firewalls

Some organizations separate their local networks from the rest of the Internet by installing a firewall or "gateway." A firewall is a system or software which is configured to prevent particular types of access or information from entering the network. Most firewalls block the flow into the local area network, but allow individuals to access most resources outside of the network.

WS_FTP Pro lets you enter information about a particular firewall into a firewall configuration, which you can then use when connecting to a particular FTP site from behind that firewall. You can configure the firewall once, and then assign that firewall configuration to those sites that require it.

With the FireScript editor, you can edit firewall scripts to work the way you want them to work. For more information, see "Appendix A: FireScript Editor".

Multiple Firewalls

There are several reasons you might want to create more than one firewall configuration. If you use a laptop computer in different locations that have different firewalls, you will want to set up a firewall configuration for each location, so you can switch to the appropriate firewall configuration when you are in each location.

Another reason you might want to set up multiple firewall configurations is that your network could have more than one router configured as a firewall. In this case, you would assign a different firewall configuration to an FTP site depending on which part of the network you are working from.

Furthermore, you might have a number of trusted sites (for example, FTP sites owned by your company) for which you would use a different firewall (or no firewall).

Firewall Types

The following table lists all conventional firewall types and the information about each that you will need to procure and enter
into WS_FTP Pro.
Type of Firewall Information you need to enter in WS_FTP Pro
Proxy OPEN Host Name (or Address)
SITE hostname Host Name (or Address), User Name (ID)
Transparent User Name (ID), Password
USER after logon Host Name (or Address), User Name (ID), Password
USER fireID@remoteHost
Host Name (or Address), User Name (ID), Password
USER remoteID@fireID@remoteHost Host Name (or Address), User Name (ID), Password
USER remoteID@remoteHost fireID Host Name (or Address), User Name (ID), Password
USER with no logon Host Name (or Address)
SOCKS4 and SOCKS5
Host Name (or Address), User Name (ID), Password

Configuring a Firewall

To enter firewall information, you will need to get data about your firewall from your network administrator. For more information, see Firewall Types above.

To configure a firewall:

  1. Click the Options button.
  2. Select the Firewall dialog.
  3. Click the New button.
  4. Follow the directions on the New Firewall wizard.
  5. When you click Finish, the firewall will be added to the Configured Firewalls list.

You can now assign the firewall configuration to the site, as described in Using a Configured Firewall below.

Using a Configured Firewall

Once you have configured a firewall, you can then apply the firewall configuration to an FTP site.

On the Connect to Remote Host dialog:

  1. Select a site.
  2. Click the Edit button.
  3. Select the Advanced dialog.
  4. In the Firewall box, select a firewall configuration.

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