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Whitelist FQDN


#1

I saw in a thread a recommendation to use a DDNS service for remote extensions on dynamic IPs and whitelist their FQDN. The last I knew, IPTables didn’t take FQDNs. Does this work and if so, how?


#2

Do it in your router.


(Tony Lewis) #3

With FreePBX firewall and responsive enabled you don’t need to whitelist remote phones.


#4

I was researching the Responsive firewall when I came across the threads saying to do the whitelisting as the “new” feature was looking to be less accurate than originally proclaimed.


(Tony Lewis) #5

Huh. It’s fully accurate.


#6

The responsive firewall is one layer of protection. Whitelisting IPs/fqdns is another.


#7