Marty
Licensed to Heimdall's Ltd

Bifrost - Firewalling made easy

V0.9.2
New?

Manage Nat



Changes saved and applied
Hide Nat (Masquerading)

Source IP Outgoing Interface
192.168.4.0/24 ATM0
Source Nat (Source NAT)

Source IP Outgoing Interface Destination IP Protocol Port Hide IP
2.1.1.0/24 eth1 2.2.2.0/24 udp 53 2.3.3.3
Static Nat (Destination NAT)

Source IP Incoming Interface Destination IP Protocol Port To Host Dest. Port
3.1.0.0/16 eth0 3.2.2.0/24 tcp 22 3.3.3.3 44

Fields in green are required.
Add new Hide Nat (Masquerading)
Typically used for PPP and other interfaces with dynamic IP address.
Source IP
Outgoing Interface
Interface where the traffic will leave the firewall.
Add new Source Nat (Source NAT)
Typically used for outgoing traffic using static IP address and or high availability.
Source IP
Outgoing Interface
Interface where the traffic will leave the firewall.
Destination IP
Protocol
Port
Hide using IP address
Add new Static Nat (Destination NAT)
Typically used for incoming traffic. I.e. mail and web server behind the firewall using a "private" IP address. Forward all traffic going to IP address n.n.n.n or to the firewalls external interface and redirect the traffic to the server using IP address y.y.y.y.
Source IP
Incoming Interface
Interface where the traffic will enter the firewall.
Destination IP
Protocol
Port
Forward to host
Forward to Port


Main Page Firewall Management tools provided by Heimdall's Limited, New Zealand