I'm not sure if I understand your problem exactly but it sounds as
though you want to use dyndns to resolve client IP's so that you can
allow them through your firewall for SSH connections. If this is
correct than the dyndns and iptables are on separate machines and the
question is misleading. Yo
Hi,.
Basically is put a script in cron table and checking the conecction status
each time, when the IP changed then, run the ddclient software or other, and
run iptables inside of script for update you rules.
Personally, I don't use Linux iptables, I have experience using OpenBSD Pf,
but the log
