[retronet] Looking for a Raspberry Pi owner to help with bleeding edge testing.

Cornelius Keck ckeck at texoma.net
Fri Sep 14 11:08:23 MDT 2018


Incoming on 3G/LTE could well be an issue. The Pi, or the 3g-router 
(TP-Link 3020 or equivalent) receives a private IP address, one of the 
non-routed ones. I've not tried unsolicited traffic from the outside, 
could imagine that it bounces. Wired side is different, because Frontier 
(Verizon before that) only offers static IPs to business accounts. Since 
I like and prefer to host my own stuff, that's what I have, never mind 
that this place is a residence, not a business. Residential accounts 
have ports blocked, IIRC they are kept from accepting at least on ports 
22, 23, 25, 80, 143, ...., depending on ever-changing policies, 
potentially nothing below 1024. I've not read their terms and conditions 
in forever, but there might be a stipulation that one isn't supposed to 
run servers on a residential account

It shouldn't be a problem to simulate blocking on this end, since the 
routers are mine. Only thing that is not is the combination of port 
blocking and DHCP-assigned public IP addresses on a wired uplink.

Grant Taylor via retronet wrote:
> On 09/14/2018 10:44 AM, Cornelius Keck via retronet wrote:
>> Can do.
>
> Hi Cornelius,
>
> Thank you for replying.
>
>> What kind of connectivity do you need?
>
> That's a good question.  I don't know that I have a good answer.
>
>> I have both wired internet at the house with static IP addresses, and
>> two ways to go online via 3G/LTE. The latter are heavily firewalled,
>> courtesy of TMobile and AT&T, the former I can tweak.
>
> That actually sounds like it would be a realistic trial-by-fire type of
> test.
>
> My main goal is to see how much, if any, modification needs to be made
> to a stock Raspbian install.
>
> If there are restrictions on the internet connection, that sort of makes
> the test more realistic.
>
> Do you know if you have any limitations on sending new outbound
> connections?  Like ports that you can't use?  Or are they mostly on new
> incoming connections?
>
>
>
>
>
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