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  #1 (permalink)  
Old 02-18-2008, 11:26 PM
Jim Beard
 
Posts: n/a
OpenDNS nameservers -- Opinions Sought


BitTwister listed the IP addresses for a couple of OpenDNS nameservers,
and I plugged them in. The idea of blocking advertising machines and
other crud does have definite appeal to me.

But suddenly I could not longer connect to the NOAA weather page for
my area. The first two or three times the message was 503, no
server available to service the request. Then, I got this nice
message saying the server was not responding, but this was not
unusual; try again later. And it offered a few other weather
sites (complete with advertising, I would assume).

I promptly pulled out the OpenDNS addresses, and bingo, the
NOAA weather service came up instantly as usual.

I really do not mind the idea of getting ads along with the
messages saying why a connection was not made, but I really
do not appreciate stumbling blocks intended to channel me from
very nice sites to sites with advertising...

I do note that you can sign up for the service rather than
just plug the addresses into your machine, and I assume this
would allow greater control, but I am not sure I want to
do the work required to play such games.

Opinions from those who use the service?

Cheers!

jim b.


--
UNIX is not user-unfriendly; UNIX merely expects users to be computer-
friendly!
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  #2 (permalink)  
Old 02-18-2008, 11:41 PM
Bit Twister
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Mon, 18 Feb 2008 23:26:09 GMT, Jim Beard wrote:

> But suddenly I could not longer connect to the NOAA weather page for
> my area.


Give us the url
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  #3 (permalink)  
Old 02-18-2008, 11:44 PM
Jim Beard
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Mon, 18 Feb 2008 23:41:18 +0000, Bit Twister wrote:

> On Mon, 18 Feb 2008 23:26:09 GMT, Jim Beard wrote:
>
>> But suddenly I could not longer connect to the NOAA weather page for my
>> area.

>
> Give us the url



http://forecast.weather.gov/MapClick.php?
CityName=Annandale&state=VA&site=LWX&textField1=38 .8332&textField2=-77.2121&e=1

All on one line, of course.

Cheers!

jim b.

--
UNIX is not user-unfriendly; UNIX merely expects users to be computer-friendly!
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  #4 (permalink)  
Old 02-18-2008, 11:56 PM
Bit Twister
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Mon, 18 Feb 2008 23:44:15 GMT, Jim Beard wrote:
> On Mon, 18 Feb 2008 23:41:18 +0000, Bit Twister wrote:
>
>> On Mon, 18 Feb 2008 23:26:09 GMT, Jim Beard wrote:
>>
>>> But suddenly I could not longer connect to the NOAA weather page for my
>>> area.

>>
>> Give us the url

>
>
> http://forecast.weather.gov/MapClick.php?
> CityName=Annandale&state=VA&site=LWX&textField1=38 .8332&textField2=-77.2121&e=1


What can I say, works for me.


$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 192.168.1.131
search home.test

$ grep 192.168.1.131 /etc/hosts
192.168.1.131 wm81.home.test wm81

$ hostname
wm81.home.test

$ grep hosts: /etc/nsswitch.conf
hosts: files dns

$ cat /etc/host.conf
order hosts,bind
multi on
nospoof on
spoofalert on

$ grep forward /var/lib/named/etc/named.conf
// forwarders { first_public_nameserver_ip; second_public_nameserver_ip; };
forwarders { 208.67.222.222; 208.67.220.220; };
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  #5 (permalink)  
Old 02-19-2008, 01:26 AM
Jim Beard
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Mon, 18 Feb 2008 23:56:05 +0000, Bit Twister wrote:
<snip>
> What can I say, works for me.

<snip>
> $ grep forward /var/lib/named/etc/named.conf // forwarders {
> first_public_nameserver_ip; second_public_nameserver_ip; }; forwarders {
> 208.67.222.222; 208.67.220.220; };

<snip>

There are several problematic points about my attempt.
I simply added the two servers to resolv.conf. No forwarding or
named.conf involved. Also, I wonder if perhaps you are registered,
which might make a difference. I did not sign up.

I did surf around a bit. Wall Street Journal pages loaded fine, but
the ads often were blank with a (Error 503, no server available) message.
This did not really offend me.<g>

A few overseas sites selected to trigger blocking of dubious sites
likewise returned the 503 no server available. Inability to get to
NOAA's weather service was (from my perspective) no different from
inability to see the WSJ ads or the foreign sites, except that one
time of four or five it did provide a message that the server was not
responding, but that was common and I should try later. The other
times it was the standard 503 error.

Works for you. Plugging IP addresses into resolv.conf did not work
well for me. Sample of two.

Anyone else that has used OpenDNS? I like the idea, but trying to
scope things out is sort of like peering into a very dense fog.

Cheers!

jim b.






--
UNIX is not user-unfriendly; UNIX merely expects users to be computer-friendly!
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  #6 (permalink)  
Old 02-19-2008, 01:56 AM
Bit Twister
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Tue, 19 Feb 2008 01:26:27 GMT, Jim Beard wrote:



> There are several problematic points about my attempt.
> I simply added the two servers to resolv.conf.


Ok, I'll show you mine if you will show me yours.


$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 208.67.222.222
nameserver 208.67.220.220
search home.test


> Also, I wonder if perhaps you are registered,
> which might make a difference. I did not sign up.


Not registered. Set resolv.conf and
http://forecast.weather.gov/MapClick...2=-77.2121&e=1

Pop right up, clicking Radar and Sat images on the page also worked.

> I did surf around a bit. Wall Street Journal pages loaded fine, but
> the ads often were blank with a (Error 503, no server available) message.
> This did not really offend me.<g>


Give urls I'll check them from Dallas Texas.
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  #7 (permalink)  
Old 02-19-2008, 02:18 AM
Jim Beard
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Tue, 19 Feb 2008 01:56:18 +0000, Bit Twister wrote:

> On Tue, 19 Feb 2008 01:26:27 GMT, Jim Beard wrote:
>
>
>
>> There are several problematic points about my attempt. I simply added
>> the two servers to resolv.conf.

>
> Ok, I'll show you mine if you will show me yours.
>
>
> $ cat /etc/resolv.conf
> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL
> BE OVERWRITTEN nameserver 208.67.222.222
> nameserver 208.67.220.220
> search home.test


[jim@localhost etc]$ cat resolv.conf
search home.invalid

nameserver 192.168.0.1
# nameserver 208.67.222.222
# nameserver 208.67.222.220

When in use, the two OpenDNS lines were on top
and the first two characters on the line deleted.

> Give urls I'll check them from Dallas Texas.


I'll have to reboot back to 2008.0 get URLs for
some pages that do not require a login.

First, I have some update packages to install.

Cheers!

jim b.

--
/home/jim/.signature
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  #8 (permalink)  
Old 02-19-2008, 03:00 AM
Jim Beard
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

Bit Twister wrote:
> On Tue, 19 Feb 2008 01:26:27 GMT, Jim Beard wrote:


>> I did surf around a bit. Wall Street Journal pages loaded fine, but
>> the ads often were blank with a (Error 503, no server available) message.
>> This did not really offend me.<g>

>
> Give urls I'll check them from Dallas Texas.


The last two items, far below, when loaded using resolv.conf as
below, had blank boxes on the right where ads once were. The pages
did load, and there were no 503 server not available error messages
(or any other error messages).

Separately, my machine is currently thinking over every command
entered for a few seconds before acting, so I suspect the
updates are taking their toll. I dropped back to
2.6.22.18-desktop-1mdv #1 SMP Mon Feb 11 12:42:52 EST 2008 x86_64 AMD
Athlon(tm) 64 X2 Dual Core Processor 5000+ GNU/Linux but even this
kernel is having problems. And this with 2008.0, not 2008.1.

FWIW, my attempt to install updates to 2008.1 from gatech failed,
with many files missing. I switched to urpmi and psu, and installed
45 packages just fine.


[root@jb etc]# cat resolv.conf
search home.invalid

nameserver 192.168.0.1
# nameserver 208.67.222.222
# nameserver 208.67.222.220


• BY THE NUMBERS: Fast, Not Furious
<http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd4x128127&>
*W10*
• TELEVISION: This One Will Kill You
<http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd5x128127&>
*W11*
• HOUSES OF WORSHIP: Strange Migration: An Unlikely Haven For Refugees
<http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd6x128127&>
• TASTE:
Intelligence Designer
<http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd7x128127&>
• DE
GUSTIBUS: Opportunity Makes a Thief
<http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd8x128127&>

Cheers!

jim b.

--
UNIX is not user-unfriendly; it merely
expects users to be computer-friendly.
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  #9 (permalink)  
Old 02-19-2008, 03:10 AM
Jim Beard
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

Jim Beard wrote:
> Separately, my machine is currently thinking over every command entered
> for a few seconds before acting, so I suspect the
> updates are taking their toll. I dropped back to 2.6.22.18-desktop-1mdv
> #1 SMP Mon Feb 11 12:42:52 EST 2008 x86_64 AMD Athlon(tm) 64 X2 Dual
> Core Processor 5000+ GNU/Linux but even this
> kernel is having problems. And this with 2008.0, not 2008.1.


Problem found. I had turned on translucency this morning, hours ago,
and all had been working fine, through several reboots to and from
2008.0 to 2008.1. Perhaps the last few updates did something, or
perhaps the OSs finally realized something had changed, and slowed
to a halting crawl.

Turned off translucency in KDE Control, and machine response is back
to normal.

Cheers!

jim b.

--
UNIX is not user-unfriendly; it merely
expects users to be computer-friendly.
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  #10 (permalink)  
Old 02-19-2008, 03:15 AM
Bit Twister
 
Posts: n/a
Re: OpenDNS nameservers -- Opinions Sought

On Tue, 19 Feb 2008 03:00:54 GMT, Jim Beard wrote:
>
>
> • BY THE NUMBERS: Fast, Not Furious
><http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd4x128127&>
> *W10*
> • TELEVISION: This One Will Kill You
><http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd5x128127&>
> *W11*
> • HOUSES OF WORSHIP: Strange Migration: An Unlikely Haven For Refugees
><http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd6x128127&>
> • TASTE:
> Intelligence Designer
><http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd7x128127&>
> • DE
> GUSTIBUS: Opportunity Makes a Thief
><http://ets.dowjones.com/trk/click?ref=zp91d7vhu_2-74abx33bd8x128127&>


All the above showed ads and what not. No errors.

I had to disable my privoxy proxy add blocker I have installed.
Had to enable a bunch of sites in NoScript java* blocker.

Running firefox-2.0.0.12



$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 208.67.222.222
nameserver 208.67.222.220
nameserver 192.168.1.130
search home.test


All the above worked and
$ ping -c1 weather.gov
PING weather.gov (140.90.113.200) 56(84) bytes of data.
64 bytes from nws.noaa.gov (140.90.113.200): icmp_seq=1 ttl=49 time=53.9 ms

--- weather.gov ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 53.936/53.936/53.936/0.000 ms

---------------------------------------------------------------

$ cat /etc/sysconfig/network
NETWORKING_IPV6=no # speedup DNS lookups <-------- suggestion
NOZEROCONF=yes # no doze lookups needed
GATEWAYDEV=eth0 # needed for my DHCP scripts
GATEWAY=192.168.1.1 # needed for my DHCP scripts
NEEDHOSTNAME=no # I'll use my own hostname
NETWORKING=yes
HOSTNAME=wm80.home.test


$ cat /etc/modprobe.conf snippet:
alias eth0 tulip
alias sound-slot-0 snd_atiixp
alias eth1 8139too
alias net-pf-10 off <------------------------------------ suggestion
alias ieee1394-controller ohci1394
install ide-controller /sbin/modprobe atiixp; /bin/true





Service network restart

ping -c1 weather.gov

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