Yeah - been a while - got distracted by non-tech.

Regards,

George Toft

On 11/17/2022 9:11 AM, techlists@phpcoderusa.com wrote:
>
> George Toft, have not seem you in a while.  Thanks for all this feedback.
>
> Eventually I will configure DNS on my private net.
>
> Love your parental controls!!
>
> I hope to configure a home server in the future.  The first time it 
> was so I could say I did it.  The second time (future) I hope to learn 
> a lot more and I would like to have the bragging rights.
>
> Keith
>
>
> On 2022-11-06 07:29, George Toft via PLUG-discuss wrote:
>> Short answer to all of your questions is yes, you can do this.  I did 
>> it for several years, and it came in really handy when I wanted to 
>> control the Internet usage of my pubescent children.
>>
>> I set up DNS locally - I used georgetoft.com and had it split - 
>> outside my house (public) only had the simple entries for the A, MX, 
>> CNAME records.  Inside my house, I included the file server, FTP, web 
>> and mail server hosts.
>>
>> Then I set up a DHCP server that issued my DNS server's IP as part of 
>> the DHCP response.  That way, everyone in the house could access the 
>> internal resources.
>>
>> Now when my teenage children got the hormones and thought they knew 
>> more than me, I set up two different DHCP configs and used cron to 
>> activate one profile in the daytime and a different one at night.  To 
>> make this work, I turned off DHCP and WiFi on the Internet Gateway 
>> and used my own DHCP server and WiFi Access Point, with a TTL of 60 
>> seconds.  At the appointed time, the nighttime profile kicked in 
>> which only allowed the approved MAC addresses to get a DHCP address, 
>> effectively cutting them off from the Internet both by their PC and 
>> their phones.  They were out of high school before they figured out 
>> how to make their phones into hotspots - LOL.
>>
>> As far as running your own mail server - yes you can (and I did for a 
>> while), but the effort really isn't worth it.  Back when I would get 
>> 1 or 2 SPAM per week, and took great delight in tracking down their 
>> mail provider and ISP and filing SPAM complaints, but when it ramped 
>> up to 50/day, I outsourced it to a provider that managed SPAM 
>> blocking.  I tried blacklisting entire countries by IP - that 
>> helped.  I tried subscribing to blacklists - that helped, but in the 
>> end, I had more important things to do than spend hours per week 
>> managing an email server.
>>
>> Regards,
>>
>> George Toft
>>
>> On 10/29/2022 8:07 AM, Keith Smith via PLUG-discuss wrote:
>>>
>>>
>>> Hi,
>>>
>>> For some reason .local popped into my head this morning.  From what 
>>> I read it appears I may be able to create an Intranet that has a 
>>> private domain name such as MyBusiness.local, on a private IP, and I 
>>> am thinking I can run BIND and make a zone file for this Intranet.  
>>> In this case, if I am in he local net I can bring it up with  
>>> MyBusiness.local??  If so then I should be able to add subdomains to 
>>> the local BIND/zone... So will this private network work like the 
>>> public Internet?
>>>
>>> This makes me believe I can create a mail server on this private net 
>>> for the users of this private net.  Not that I want to, however it 
>>> is interesting.
>>>
>>> I read that MAC is doing something with the .local domain so it was 
>>> recommended to use:
>>>
>>> .test
>>> .example
>>> .invalid
>>> .localhost
>>>
>>> Would it be possible to create a private network using one of these 
>>> private TLDs and can I use BIND to control this?
>>>
>>> How will my browser know to go to my private domain if I use one of 
>>> these private domains - I seem to recall needing to put this in the 
>>> hosts file on Linux and Windows so it would resolve.  Would BIND 
>>> override this?
>>>
>>> Thanks!!
>>> Keith
>>>
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