Firewall: Accept DynDNS-Host from RED

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Borgi
Posts: 11
Joined: November 15th, 2017, 8:46 am

Firewall: Accept DynDNS-Host from RED

Post by Borgi » January 5th, 2018, 7:52 am

Hey there,
I would like to give only one or two Hosts from WAN/RED access to a specific port in BLUE.
At the moment I have to handle this with accepting whole RED for this port.
Is it somehow possible to only accept one/two hosts with a DynDNS name to those ports by checking if the IP which tries to connect to my port is the same as the one behind DynDNS?

Regards

Borgi
Posts: 11
Joined: November 15th, 2017, 8:46 am

Re: Firewall: Accept DynDNS-Host from RED

Post by Borgi » January 5th, 2018, 12:35 pm

Solved it with bash, dig and iptables until someone maybe knows a way by WEBUI

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