[clue-tech] intermittent connection problems

[June Tate-Gans]

I would be remiss if I failed to note that using OpenDNS is folly --
they directly adjust DNS entries that are "fraudulent" and serve them
up as if they are authoritative for them. If their system is ever
compromised, it wouldn't be hard to be misdirected to a phishing page
via a real fraudulent DNS entry -- not to mention the fact that
they're subverting the whole point of DNS decentralization in the
first place. Those who care about security and being a proper 'net
citizen would be wise to not use OpenDNS.

What I would suggest, however, is that instead of using your ISP's DNS
servers that you run bind or some other caching DNS server like
dnsmasq. That way if the upstream DNS server fails to resolve a DNS
entry, your local cache may already have a copy of the record and
serve that to fill in the gaps, so to speak.

On Sat, Sep 12, 2009 at 7:27 PM, Brian Gibson <bwg1974 at yahoo.com> wrote:
> Try replacing the Qwest DNS servers with another set to see if the problem goes away.  OpenDNS comes to mind.  http://www.opendns.com/
>
>
>
> ----- Original Message ----
> From: Collins Richey <crichey at gmail.com>
> To: CLUE technical discussion <clue-tech at cluedenver.org>
> Sent: Saturday, September 12, 2009 6:12:04 PM
> Subject: Re: [clue-tech] intermittent connection problems
>
> On Sat, Sep 12, 2009 at 5:08 PM, Jason S. Friedman <jason at powerpull.net> wrote:
>> A few weeks back I could not connect to certain websites, like microsoft.com
>> and frii.com, or receive email from certain hosts (I run the Postfix SMTP
>> server), like comcast.net.  I called Qwest, became upset, the problem went
>> away, there were no explanations.
>>
>> I run Ubuntu 9.04 on x64-64.
>>
>> Yesterday the problems returned.  This time, I connected my old Windows XP
>> machine to the modem and, voila, I was able to connect to microsoft.com and
>> frii.com via my browser.
>>
>> Any ideas of what could cause this behavior?
>
> I may not have an answer, but I've frequently encountered this type of
> problem on comcast. Comcast has (or used to have) very unreliable DNS
> servers. I don't know about the situation with Qwest.
>
> --
> Collins Richey
>     If you fill your heart with regrets of yesterday and the worries
>     of tomorrow, you have no today to be thankful for.
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-- 
June Tate-Gans    | Don't try to outweird me, three-eyes. I get stranger things
www.theonelab.com | than you free with my breakfast cereal. -- Zaphod Beeblebrox