User`s guide

Dynamic Interface
Dynamic interfaces for DSL, DHCP, or 3G. How to Configure WAN Interfaces
Virtual Interface
Virtual interfaces for VLANs. You must use
properly configured 802.1q capable switches.
How to Configure a VLAN
Wi-Fi Link
If available for your Barracuda Firewall
model, you can create up to three different
Wi-Fi networks.
How to Configure Wi-Fi
3G Network Interface
With a Barracuda M10 3G/UMTS USB
modem, you can configure 3G connectivity.
How to Configure a 3G Dial-In Connection
Network Routes
On the page, you can add static routes. For more information, see .NETWORK > Routing How to Add a Static Route
On the page, you can also view the following tables for a list of network routes and network interfaces for the Barracuda Firewall:Routing
Table Description
Network Routes
This table contains all the routing information sorted by routing table.
Routing information is processed from top to bottom.
Network Interfaces
This table contains all interfaces, their current state visualized by a
graphical icon, and the IP addresses assigned to the interface.
Interface Groups
On the page, you can organize multiple interfaces belonging to the same network in interface groups. In firewallNETWORK > Interface Groups
rules, the interface group specifies the source address that the interface is allowed to use.
For more information on interface groups, see .Interface Groups
Bridges
To transparently connect two networks, you can configure a bridge. For more information, see .How to Configure a Bridge
DHCP Server
Every Barracuda Firewall can act as a DHCP server. You can configure DHCP servers on a per-network basis. For more information, see How to
.Configure the DHCP Server
Authoritative DNS
You can configure a split level and authoritative DNS server. For more information, see .How to Configure an Authoritative DNS
Proxy
To free the local firewall capabilities of the Barracuda Firewall, you can use the cloud resources of the toBarracuda Web Security Service
intercept and scan all HTTP and HTTPS traffic for malware. To use this service, you must have an additional Barracuda Web Security
subscription. You must also be connected to the . Barracuda Cloud Control
If you already have an ICP-enabled proxy server running in your network, see . How to Configure a Forward Proxy
How to Configure WAN Interfaces
By default, ports p2 and p3 are preconfigured. If you want to configure a WAN interface
for either of these ports, you might need to remove the default configurations:
Port p2 – Initially, the network interface for port p2 is configured as a dynamic
network interface named . If you want to configure either a static or otherDHCP