Browsing All Posts filed under »Routing«

RPF – AKA Antispoofing on Fortigate

June 19, 2012


With the RPF function the Firewall checks if the packet comes in the firewall on the correct interface and does not try to spoof the address. For example in a DMZ network a packet coming in the dmz interface of the firewall and has a source IP from the internal network is spoofed. The firewall […]

Dead Gateway Detection – AKA Backup or Redundant ISP Service

June 18, 2012


Dead Gateway Detection is feature like the backup or reduntant ISP service. In case we have 2 ISP connections to internet – a backup line with smaller bandwith and another used normally – we can use one as a backup internet connection. The topology: | | Firewall | | | | | | […]