However, this has contributed to propagate the idea that the MAC address is a kind of password, hence the nervousness about publication. It is not a strong security system it can be easily countered by setting the MAC address of an external device to a specific value. You may have to justify yourself.įor instance, a rather common configuration option on "intelligent switches" is to restrict each ethernet port to a single MAC or only a short list of MAC addresses this is an attempt to discourage employees from bringing their own device.
This is misguided, but be aware that making the MAC addresses public may generate some amount of nervousness.
Some people consider the MAC address to be "somewhat secret".
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