[aklug] Oddity in network connection related to DNS

Patrick Clark pclark36 at gmail.com
Tue Sep 12 19:56:54 AKDT 2017


do NSLOOKUPS work?  Just making sure it's binding the DNS server
correctly.  Does manually assigning your DNS server(8.8.8.8) work?

On Tue, Sep 12, 2017 at 7:23 PM, <bryanm at gci.net> wrote:

> General techniques:
> check logs
> turn on verbose reporting
> inspect network traffic
>
> as a start.
>
> --
> Bryan Medsker
> bryan at gnomon.xyz
>
>
>
> ----- Original Message -----
> From:
> "Christopher Howard" <christopher at alaskasi.com>
>
> To:
> "AKLUG at aklug.org" <AKLUG at aklug.org>
> Cc:
>
> Sent:
> Tue, 12 Sep 2017 11:05:18 -0800
> Subject:
> Re: [aklug] Oddity in network connection related to DNS
>
>
>
> Hmm, I cleared the browser cache and now have no browse either... This
> smells of some kind of firewall problem not allowing the dns to get
> through.
>
> On Tue, 2017-09-12 at 11:01 -0800, Christopher Howard wrote:
> > Hi list, I'm testing an Sat Int system before sending to field, and
> > I'm
> > running into something strange. My main test systems are a Debian
> > Jessie notebook, and then a Debian Squeeze laptop I pull out to
> > confirm
> > a problem is not just related to one system only. So, for the most
> > part
> > everything looks fine with this connection:
> >
> > The Good
> > - Getting the right IP address from DHCP server on modem
> > - Getting the right default gw from DHCP on modem
> > - getting correct DNS server from DHCP on modem (checked
> > /etc/resolv.conf)
> > - I have no trouble browsing any site on the Internet through Firefox
> > (I don't use a proxy)
> > - I can ping any IP address I want from the command line
> > - Firewall is wide-open (for testing purposes)
> >
> > The Bad:
> > - If I try to do anything else on the command line involving a DNS
> > name
> > (google.com, etc.) the command fails, acting like it cannot query
> > DNS.
> > So, for example, I cannot "wget google.com" (unable to resovle host
> > address...) and I cannot ping google.com, and I can not even "dig
> > @8.8.8.8 google.com" (same for other Web sites).
> >
> > I don't have this problem on any of our other connections, so I'm
> > nervous something is wrong with the configuration of my modem. Does
> > anybody have any suggestions as to what might be going on, or how to
> > narrow it down?
> >
> --
> Christopher Howard
> Computer Assistant
> Alaska Satellite Internet
> 3239 La Ree Way
> Fairbanks, Alaska 99709
> 1-888-396-5623 <(888)%20396-5623>
> https://alaskasatelliteinternet.com
> personal web site: https://qlfiles.net
> https://emailselfdefense.fsf.org/en/
>
>
>
>
> _______________________________________________
> aklug mailing list
> aklug at aklug.org
> https://lists.aklug.org/mailman/listinfo/aklug
>
>


-- 
"Crowded Elevators smell differently to midgets"
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.aklug.org/pipermail/aklug/attachments/20170912/35633a90/attachment.html>


More information about the aklug mailing list