Re: loose access control that works for dynamic IP address
On 27/09/10 18:19, Zhang Weiwu wrote:
> Hello.
>
> I need rather loose security that the server daemon offer services on a
> TCP port, allow/deny a client's tcp incoming connection based on a FQDN.
> The problem being the ip address of the FQDN is a dynamic one of the
> same host, changing once per three days.
>
> I know both IP table and tcpd can manage allow/deny rule based on IP
> addresses, but can they do so with a FQDN that maps to dynamic IP address?
>
> Thanks in advance!
>
> P.S. I am totally aware of the security risk of authenticating a client
> based on its FQDN, including being aware of attacks based on DNS
> spoofing. If you usually insist on either solid security or no security,
> please kindly ignore this post.
>
> Best.
> Zhang Weiwu
>
>
Would dyn-dns help?
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