Bob Willard wrote:
> Les Cargill wrote:
>
>>
>> Is it sufficient to use the option "Permit only PCs listed to access
>> the wireless network"* to restrict access to my wireless router, or
>> should I be turning the wireless interface off when not in use?
>>
>> *in the web-based management client.
>>
>> This option appears to use a positive file of MAC addresses, and
>> only those will get a link.
>>
>> I've also turned off SSID broadcast, am using WPA2 Personal/AES .
>> "Personal" looks like it means "don't rely on a RADIUS
>> server." Yes?
>>
>> Application is a very simple home network.
>>
>> Not trying to be paranoid, just cautious.
>>
>> --
>> Les Cargill
>
> The most important thing you can do to "secure" a wireless LAN is to
> enable WPA (not WEP) on the router and on the clients; and, to use
> a long, non-obvious, shared key. If you are particularly sensitive,
Nah

Just a bit new to 802.11 and trying to research best
practices.... a foreign node showed up while I was initially
configuring the wireless router.
> you may want to change the key monthly (or daily or hourly or ...);
The present key reminds me a CHAP challenge string. Is there a reference
for this?
The WRT54G supports having a new node "learn" by plugging in wired, so
it's not too much of a hardship.
> changing the key is a PITA, proportional to the number of stations
> (router & wireless PCs) you have.
>
> Permit only PC listed helps a bit, but since a perp can easily
> duplicate the MAC of one of your allowed PCs, that doen't do much.
>
> Turning off SSID broadcasts doesn't add much security, and will cause
> some problems when your clients go up&down. The SSID can be captured
> even if not broadcast.
>
Fair enough.
> Turning off the wireless side of your router is, IMHO, extreme. I don't
> have much faith in PC software to recover properly from being turned
> off&on, or from having its link-partner coming&going.
Good to know. Thanks, Bob.
--
Les Cargill