User`s guide

Flex or forwarded to a different proxy service.
TRANSPARENT-PROXY
If enabled, this rule automatically redirects all HTTP requests on TCP port 80 to the local proxy of the Barracuda Firewall. Depending on the proxy
configuration ( ), web traffic is either scanned by Barracuda Web Security Flex or forwarded to a different proxy service.NETWORK > Proxy
LAN-2-INTERNET-SIP
If enabled, this rule automatically redirects all SIP requests from the trusted LAN to the local SIP proxy. It allows SIP communication through the
Barracuda Firewall.
INTERNET-2-LAN-SIP
If enabled, this rule automatically redirects all SIP requests from any IP address to the local SIP proxy. It allows SIP communication from the
Internet through the Barracuda Firewall.
LAN-2-INTERNET
This rule allows network traffic for all types of data from the trusted LAN to the Internet. It allows unrestricted access to the Internet for all hosts
within the trusted LAN segment.
WIFI-2-INTERNET
This rule allows traffic from the Wi-Fi network coming in through interface ath0 unrestricted access to the Internet.
LAN-2-LAN
This rule allows network traffic for all types of data from one trusted LAN to another. It allows unrestricted network traffic between hosts residing in
different LAN segments that are classified as trusted.
VPNCLIENTS-2-LAN
This rule allows unrestricted access for VPN clients coming in through interface pvpn0 to the trusted LAN. This includes PPTP-based access.
WIFI-2-LAN
This rule allows unrestricted access from the Wi-Fi network coming in through interface ath0 to the trusted LAN.
BLOCKALL
This rule blocks all incoming and outgoing network traffic that is not handled by the firewall rules that are placed above it in the rule set.
Connection Objects
The connection object defines the egress interface and source (NAT) IP address for traffic matching the firewall rule. If a source IP address is
specified, the appropriate link will be used based on the routing table. If an interface is specified, the appropriate source IP address will be used
based on the routing table.
You can use the predefined connection objects or you can create connection objects.
In this article:
Define a Connection Object
Predefined Connection Objects
Failover and Link Load Balancing
Example – HTTP and HTTPS Traffic to the Internet
Define a Connection Object
To add or edit new connection objects, go to the page. Connection objects include the following settings:FIREWALL > Connection Objects
Setting Description