Hi.

I have to configure a DNAT rule in Shorewall with a DNS hostname as
destination of the DNAT, because the destination host could be changed
sometimes, but the port needs to be the same.
If I configure a DNAT rule using a DNS hostname (for example
"myhost.mylan.local:12345", Shorewall query the DNS server at the
startup only or everytime there is a packet to be natted?
If I change the IP address of that DNS record, have I to restart Shorewall?

Thank you very much!
Bye.

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