John,
That is a really scary response...............But, WTF.
SO, MAC Address Filter is really WLAN-centric, per your knowledge?
I do NOT do WLAN!!

Thank you.....This is what I am trying to find out!! After a few years of diddling with my router's MAF!.........Heck!

If it does NOT do anything for my WIRED clients, I may need to kill this at the router, AND, start thinking about some other form of HDW (wired) Intrusion Protection..........
Last I looked, many $$$...........

OR, a different Router, maybe................. :)

Thanks.
Best,
Duncan

At 15:27 04/24/2009 -0700, you wrote:
Yeah, our little home routers only use MAC filtering for the Wireless side AFAIK..

Cisco switches and other high end stuff for commercial racks can do all sorts of things with MAC addresses for filtering the switch ports and such. :)



 --
JRS
stei...@pacbell.net


Facts do not cease to exist just
because they are ignored.




________________________________
From: DHSinclair <dsinc...@bellsouth.net>
To: hardware@hardwaregroup.com
Sent: Friday, April 24, 2009 2:57:30 PM
Subject: Re: [H] MAC Address Filter

John,
I so appreciate your share. BUT, it seems to be focused at
Wire-less/AccessPoint/WLAN business.............?
I do get this for a LAN that has WLAN access.  I do NOT.  Still moderately
confused.......

Is MAC Address Filter really ONLY good for WLAN?

I freely accept that my current router is totally focused toward
WLAN!  And, Gaming!  Neither of which I use it for.  I bought it on the
recc from HayesElkins.............
Best,
Duncan

At 14:22 04/24/2009 -0700, you wrote:
>Most Wi-Fi access points and routers ship with a feature called hardware
>or MAC address filtering.
>This feature is normally turned "off" by the manufacturer, because it
>requires a bit of effort to set up properly.
>
>However, to improve the
>security of your Wi-Fi LAN (WLAN), strongly consider enabling and using
>MAC address filtering.
>
>Without MAC address filtering, any wireless client can join (authenticate
>with) a Wi-Fi network if they know the network name (also called the SSID)
>and perhaps a few other security parameters like encryption keys.
>
>
>When
>MAC address filtering is enabled, however, the access point or router
>performs an additional check on a different parameter. Obviously the
>more checks that are made, the greater the likelihood of preventing
>network break-ins.
>
>To set up MAC address filtering, you as a WLAN administrator
>must configure a list of clients that will be allowed to join the
>network. First, obtain the MAC addresses of each client from its
>operating system or configuration utility. Then, they enter those
>addresses into a configuratin screen of the wireless access point or
>router. Finally, switch on the filtering option.
>
>Once enabled, whenever the wireless access point or router
>receives a request to join with the WLAN, it compares the MAC address
>of that client against the administrator's list. Clients on the list
>authenticate as normal; clients not on the list are denied any access
>to the WLAN.
>
>MAC addresses on wireless clients can't be changed as they are
>burned into the hardware. However, some wireless clients allow their
>MAC address to be "impersonated" or "spoofed" in software. It's
>certainly possible for a determined hacker to break into your WLAN by
>configuring their client to spoof one of your MAC addresses. Although
>MAC address filtering isn't bulletproof, still it remains a helpful
>additional layer of defense that improves overall Wi-Fi network
>security.
>  --
>JRS
>stei...@pacbell.net
>
>
>Facts do not cease to exist just
>because they are ignored.
>
>
>
>----- Original Message ----
> > From: DHSinclair <dsinc...@bellsouth.net>
> > To: Hardware Group <hardware@hardwaregroup.com>
> > Sent: Friday, April 24, 2009 1:42:04 PM
> > Subject: [H] MAC Address Filter
> >
> > I use a d-link dgl-4300 router.  I have disabled the wire-less
> section.  I only
> > do wired LAN business.
> > The router is currently at F/W v1.8.  I do know that F/W 1.9 is
> available, but
> > as I read the docs, it seems to only deal with wire-less
> > business/bug-fixes........
> >
> > Can anyone point me to some reading about MAC Address Filters?  I do
> have one;
> > and, I DO use it.
> > But, now have questions................ :)
> >
> > MyCurrentUnderstanding: I 'think' that my router's MAF is what allows
> my LAN
> > objects to gain access to the WWW (thru my router) via my Service
> > Provider.....(when enabled!)... Is this correct?
> >
> > AND, I accept that this MAF access is completely 2-Way, with agreed
> > comprehension of non-routeable IP-Addy's?
> >
> > I feel like I am walking into a black hole here.  .... :)
> > Best,
> > Duncan
>
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>
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