[ndbug] PF filtering by Mac address

Philip Paeps philip at trouble.is
Wed Dec 21 09:29:18 PST 2016

On 2016-12-21 20:12:04 (+0530), Hrishikesh Muruk <hrishim at gmail.com> wrote:
> I have just one machine (VPS) that I want to configure as an email
> server.The accounts on the server will be accessed using a specific set of
> devices (say 10-15). Would it be overkill to set up pf so that only
> requests from these mac addresses will be allowed for sending/retrieving
> mail ?

It would be overkill and it would only work if the 10-15 devices were on
the same Ethernet.  If they are accessing the server over the internet,
you can't even get at their MAC addresses.  That's not how IP works.


Philip Paeps
Senior Reality Engineer
Ministry of Information

More information about the talk mailing list