Specifications

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Configuring a Reverse Proxy Web Forward
As with replacement proxy this also requires two types of information, the basic URL information and
the authentication details however unlike other Web forwards this is broken into host-based proxy and
host-based proxy.
The Path-Based Reverse Proxy Method
• Destination URL: The URL of the site you wish to access
• Paths: Each additional path that needs to be proxied is added here. Web applications such as
Outlook Web Access require more paths than the one in the target URL, in the example
above the OWA Web forward sets a target of
http://mail.server.co.uk/exchange and then adds 2 further paths /exchange,
/exchweb. To deal with this, you add each path that should be proxied to this filed. This
would then proxy any URLs that begin with
http://mail.server.co.uk/exchange, and
http://mail.server.co.uk/exchweb
• Encoding: This overrides the encoding of the HTTP response; this should be left as default
unless otherwise informed a Barracuda Central engineer.
The Host-based Reverse Proxy Method
• Active DNS: This enables sites that are at root of a server to be used by the Web forward, as
mentioned in the note above sites at root generally cannot be used by the reverse proxy Web
forward. Enabling this parameter is not enough, a wild card entry on your networks DNS
server must be configured so that any lookups for active *.example.com point to the
Barracuda SSL VPN. When the Web forward is launched a fake hostname prefixed by active