Re: opened OpenSSL port
Chris Davies a écrit :
> erikmccaskey64 <firstname.lastname@example.org> wrote:
>> Are there any iptables rule for restricting connections to dyndns names?
>> e.g.: only allow connection from "asdfasdf.dyndns.com" and
>> "asdfasdf2.dyndns.com" and "asdfasdf3.dyndns.com"?
> No. Iptables is about IP addresses (and ports). Not names. But
> /etc/hosts.allow could provide a level of protection for names matching,
> e.g. "*.dyndns.org".
This won't work, because usually the reverse DNS is not in *.dyndns.org.
somename.dyndns.org -> IP address -> some other name defined by the ISP.