From: Camaleón on
On Wed, 04 Aug 2010 19:34:06 +1000, pierre poulos wrote:

> Using Iceweasel, Google Chrome and Lynx I cannot access http;//
> www.debian.org or any of the mirrors without using an external web
> proxy. My isp says they can access fine on their own machines. My wife's
> computer running Firefox on WinXP sp3 on the same connection also works
> fine. I have had to change my apt sources list as it was unable to
> access the
> security updates. What's wrong with my machine. I am running lenny
> current.

Does it happen with any site or just some?

Is not the first time I've seen an ISP having troubles for accessing
specific websites/servers/network routes which can be only reached using
an external proxy or another connection (i.e., by dial-up session with
another ISP).

Give them a prudential time lapse and check later if the error still
persists.

Greetings,

--
Camaleón


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From: pierre poulos on
On Wed, Aug 4, 2010 at 11:23 PM, Jochen Schulz <ml(a)well-adjusted.de> wrote:

> pierre poulos:
> > On Wed, Aug 4, 2010 at 7:48 PM, Jochen Schulz <ml(a)well-adjusted.de>
> wrote:
> >> pierre poulos:
> >>>
> >>> Using Iceweasel, Google Chrome and Lynx I cannot access http;//
> >>> www.debian.org or any of the mirrors without using an external web
> >>> proxy.
> >>
> >> What error message do you get?
> >
> > It just sits on connecting.... then times out (sorry about the typo)
>
> And what is the exact error message Iceweasel shows? I am asking because
> I suspect you may have a global proxy configured somewhere and the
> message would indicate that. You can also try
>


Failed to Connect

Iceweasel can't establish a connection to the server at www.debian.org.

Though the site seems valid, the browser was unable to establish a
connection.

* Could the site be temporarily unavailable? Try again later.
* Are you unable to browse other sites? Check the computer's network
connection.
* Is your computer or network protected by a firewall or proxy?
Incorrect settings can interfere with Web browsing.

$ env | grep -i proxy
>

Nothing, even as root


> to see whether that is the case. Can you ping www.debian.org?


PING www.debian.org (61.5.210.7) 56(84) bytes of data.
64 bytes from www.debian.org (61.5.210.7): icmp_seq=1 ttl=50 time=56.8 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=2 ttl=50 time=53.2 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=3 ttl=50 time=57.3 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=4 ttl=50 time=53.6 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=5 ttl=50 time=61.4 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=6 ttl=50 time=79.6 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=7 ttl=50 time=51.1 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=8 ttl=50 time=53.1 ms
64 bytes from www.debian.org (61.5.210.7): icmp_seq=9 ttl=50 time=56.3 ms
^C
--- www.debian.org ping statistics ---
9 packets transmitted, 9 received, 0% packet loss, time 8032ms
rtt min/avg/max/mdev = 51.189/58.093/79.622/8.136 ms

Have you
> tried editing your sources.list to use ftp:// instead of http://?
>

Ok changing to ftp now..

cat /etc/apt/sources.list
#
# deb cdrom:[Debian GNU/Linux] - Official i386 NETINST Binary-1

deb ftp://http.us.debian.org/debian stable main contrib non-free
deb ftp://mirror.optus.net/debian/ lenny main contrib non-free
deb ftp://security.debian.org/ lenny/updates main contrib non-free
deb ftp://www.debian-multimedia.org/ lenny main

Now I do

>
>
apt-get update
Get:1 http://dl.google.com stable Release.gpg
[189B]
Hit ftp://http.us.debian.org stable
Release.gpg
Get:2 ftp://http.us.debian.org stable/main
Translation-en_AU
Ign ftp://http.us.debian.org stable/main
Translation-en_AU
Get:3 ftp://http.us.debian.org stable/contrib
Translation-en_AU
Ign ftp://http.us.debian.org stable/contrib
Translation-en_AU
Hit ftp://mirror.optus.net lenny
Release.gpg

Get:4 ftp://mirror.optus.net lenny/main
Translation-en_AU

Get:5 ftp://http.us.debian.org stable/non-free
Translation-en_AU

Ign ftp://mirror.optus.net lenny/main
Translation-en_AU

Get:6 ftp://mirror.optus.net lenny/contrib
Translation-en_AU

Ign ftp://mirror.optus.net lenny/contrib
Translation-en_AU

Get:7 ftp://mirror.optus.net lenny/non-free
Translation-en_AU

Ign ftp://mirror.optus.net lenny/non-free
Translation-en_AU

Hit ftp://mirror.optus.net lenny
Release

Get:8 ftp://mirror.optus.net lenny/main
Packages/DiffIndex

Ign ftp://http.us.debian.org stable/non-free
Translation-en_AU

Ign ftp://mirror.optus.net lenny/main
Packages/DiffIndex

Get:9 ftp://mirror.optus.net lenny/contrib
Packages/DiffIndex

Ign ftp://mirror.optus.net lenny/contrib
Packages/DiffIndex

Get:10 ftp://mirror.optus.net lenny/non-free
Packages/DiffIndex

Ign ftp://mirror.optus.net lenny/non-free
Packages/DiffIndex

Hit ftp://mirror.optus.net lenny/main
Packages

Hit ftp://http.us.debian.org stable
Release

Hit ftp://mirror.optus.net lenny/contrib
Packages

Hit ftp://mirror.optus.net lenny/non-free
Packages

Get:11 ftp://http.us.debian.org stable/main
Packages/DiffIndex

Ign http://dl.google.com stable/main
Translation-en_AU

Get:12 http://dl.google.com stable Release
[2544B]

Hit ftp://www.debian-multimedia.org lenny
Release.gpg

Ign ftp://http.us.debian.org stable/main
Packages/DiffIndex

Ign http://dl.google.com stable/main
Packages/DiffIndex

Get:13 ftp://http.us.debian.org stable/contrib
Packages/DiffIndex

Hit ftp://www.debian-multimedia.org lenny/main
Translation-en_AU

Get:14 http://dl.google.com stable/main Packages
[1067B]

Ign ftp://http.us.debian.org stable/contrib
Packages/DiffIndex

Hit ftp://www.debian-multimedia.org lenny
Release

Get:15 ftp://http.us.debian.org stable/non-free
Packages/DiffIndex

Hit ftp://www.debian-multimedia.org lenny/main
Packages/DiffIndex

Ign ftp://http.us.debian.org stable/non-free
Packages/DiffIndex

Hit ftp://http.us.debian.org stable/main
Packages

Hit ftp://http.us.debian.org stable/contrib
Packages

Hit ftp://http.us.debian.org stable/non-free
Packages

Err ftp://security.debian.org lenny/updates
Release.gpg

Cannot initiate the connection to
security.debian.org:21(2001:388:1034:2900::26). - connect (101 Network
is unreachable) [IP:
2001:388:1034:2900::26 21]
snip snip

Hmmmm is the security entry correct ?

All Web browsers Iceweasel, Chrome, Lynx still need outside proxy to access
www.debian.org
From: pierre poulos on
>
> And additionally the following might show something interesting too.
>
> # find /etc/apt -type f -exec grep -i proxy {} +
>

OK
/home/pierre# find /etc/apt -type f -exec grep -i proxy {} +
nothing

>
>
>
From: George-Cristian Bîrzan on
On Thu, 2010-08-05 at 21:56 +1000, pierre poulos wrote:
> Cannot initiate the connection to security.debian.org:21
> (2001:388:1034:2900::26). - connect (101 Network is unreachable) [IP:
> 2001:388:1034:2900::26 21]

Try, as root:
sysctl -w net.ipv6.conf.all.disable_ipv6=1

You seem to have a default route for IPv6, but no connectivity, so if
you want IPv6, you could try to fix that.

--
George-Cristian Bîrzan


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From: Jochen Schulz on
George-Cristian Bîrzan:
> On Thu, 2010-08-05 at 21:56 +1000, pierre poulos wrote:
>> Cannot initiate the connection to security.debian.org:21
>> (2001:388:1034:2900::26). - connect (101 Network is unreachable) [IP:
>> 2001:388:1034:2900::26 21]
>
> Try, as root:
> sysctl -w net.ipv6.conf.all.disable_ipv6=1
>
> You seem to have a default route for IPv6, but no connectivity, so if
> you want IPv6, you could try to fix that.

ACK, that appears to be the problem. To make the sysctl setting
permanent, you need to edit /etc/sysctl.conf and add a line

net.ipv6.conf.all.disable_ipv6=1

J.
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