how to allow by MAC

Randal L. Schwartz merlyn at
Mon Jun 11 22:18:25 UTC 2012

>>>>> "Bill" == Bill Yuan <bycn82 at> writes:
Bill> I want to create a white list MAC address,  Only the machine which it's MAC
Bill> in the white list will be allowed,  all others will be blocked.

Bad idea.  Since (a) every MAC address that *is* allowed is transmitted
in the clear and (b) it's trivial to spoof a MAC address.

This. is. no. security.

Please stop even trying.

Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at> <URL:>
Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
See for Smalltalk discussion

More information about the freebsd-questions mailing list