Re: on to letsencrypt

[Jack Craig]

on the other hand, ... ;O

nmap -sS 108.220.213.121
Starting Nmap 7.80 ( https://nmap.org ) at 2021-04-19 18:26 PDT
Nmap scan report for ws (108.220.213.121)
Host is up (0.0014s latency).
Not shown: 994 closed ports
PORT      STATE SERVICE
80/tcp    open  http
443/tcp   open  https
631/tcp   open  ipp
5000/tcp  open  upnp
8200/tcp  open  trivnet1
20005/tcp open  btx

Nmap done: 1 IP address (1 host up) scanned in 0.15 seconds

On Mon, Apr 19, 2021 at 5:27 PM Ed Greshko  wrote:
> On 20/04/2021 07:31, Jack Craig wrote:
> > On Mon, Apr 19, 2021 at 3:11 PM Ed Greshko <[e-mail]
>
> > wrote:
> > On 19/04/2021 03:18, Jack Craig wrote:
> > >
> > >     On Fri, Apr 16, 2021, at 10:56 AM, Ed Greshko wrote:
> > >     > On 16/04/2021 17:19, Ed Greshko wrote:
> > >     > > On 16/04/2021 10:35, Jack Craig wrote:
> > >     > >> First I get my static IP from AT&T actually a block of
>
> eight addresses of which only the first do they agree to pass through.
> > >     > >>
> > >     > >
> > >     > > BTW, if you are hosting the DNS server and if your DNS
>
> server has the IP address of 108.220.213.121 then
> > >     > > this could be a problem.
> > >
> > > *
> > > *
> > > *would you expand on this comment? i think this is an issue,...
>
> thx..*
> > I should have mentioned you should check your named.conf. By default
>
> it contains
> > options {
> >          listen-on port 53 { 127.0.0.1; };
> >
> >
> > i had listen to localhost & external ip, trimmed to just localhost
> >          listen-on-v6 port 53 { ::1; };
> >
> > meaning it only is listening on the loopback interface.
> >
> >
> > i have uncovered some ns info issues with my ip provider, att, dns
>
> config issues...
> > working them out; you guys are a god-and tho! ;) thx!!!
>
> Maybe you're not yet up and running, but FWIW, port 53 continues to show as
> closed for both TCP and UDP at 108.220.213.121.
>
> Also, FWIW, I just installed bind on a F33 test VM and changed named.conf
> to contain
>
> options {
>          listen-on port 53 { 127.0.0.1; };
>          listen-on-v6 port 53 { 2001:b030:112f:2::53; ::1; };
>
> The VM is accessible via IPv6 but not IPv4.  And then running nmap from an
> external system.
>
> PORT   STATE SERVICE VERSION
> 53/tcp open  domain  (generic dns response: NOTIMP)
> | fingerprint-strings:
> |   DNSVersionBindReqTCP:
> |     version
> |_    bind
>
> --
> Remind me to ignore comments which aren't germane to the thread.
>
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