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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 […]
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: 1.1.1.0/24 | | Firewall | | | 2.2.2.0/24 | | | […]
itsecworks 
June 19, 2012
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