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From: Camaleón on 7 Aug 2010 10:20
El 2010-08-07 a las 19:47 +1000, pierre poulos escribió:

Resending to the list, again :-)

Pierre, remember to send your replies to the list, not the user.

> On Fri, Aug 6, 2010 at 11:11 PM, Camaleón wrote:

(...)

> > > Everything is successful except www.debian.org which needs a proxy.
> >
> > Ouch.
> >
> > Well, that sounds indeed very weird. Even more taking that any problem
> > on the ISP side should be already fixed :-(
> >
> > Does another network tests to that host work or also fail in the same
> > manner? I mean, ping, wget, dig, traceroute... you can try all of these
> > to see how it goes:
> >
> > ping -c 3 www.debian.org
> > wget www.debian.org
> > dig www.debian.org
> > traceroute 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=53.4 ms
> 64 bytes from www.debian.org (61.5.210.7): icmp_seq=2 ttl=50 time=53.9 ms
> 64 bytes from www.debian.org (61.5.210.7): icmp_seq=3 ttl=50 time=51.9 ms
>
> --- www.debian.org ping statistics ---
> 3 packets transmitted, 3 received, 0% packet loss, time 2008ms
> rtt min/avg/max/mdev = 51.995/53.105/53.903/0.831 ms

Ping looks right.

> ~$ wget www.debian.org
> --2010-08-07 14:45:48-- http://www.debian.org/
> Resolving www.debian.org... 61.5.210.7
> Connecting to www.debian.org|61.5.210.7|:80... connected.
> HTTP request sent, awaiting response... 200 OK
> Length: 14341 (14K) [text/html]
> Saving to: `index.html'
>
> 100%[======================================>] 14,341 73.0K/s in
> 0.2s
>
> 2010-08-07 14:45:49 (73.0 KB/s) - `index.html' saved [14341/14341]

Wget seems also right. It fetches the file, so please, open that file
and tell us what are you seeing.

> :~$ dig www.debian.org
>
> ; <<>> DiG 9.6-ESV-R1 <<>> www.debian.org
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18191
> ;; flags: qr rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
> ;; WARNING: recursion requested but not available
>
> ;; QUESTION SECTION:
> ;www.debian.org. IN A
>
> ;; ANSWER SECTION:
> www.debian.org. 10000 IN A 61.5.210.7
>
> ;; Query time: 24 msec
> ;; SERVER: 10.1.1.1#53(10.1.1.1)
> ;; WHEN: Sat Aug 7 14:46:07 2010
> ;; MSG SIZE rcvd: 48

Dig resolver the domain fine. Mmm, wait... wait a minute.

sm01(a)stt008:~$ dig www.debian.org

; <<>> DiG 9.6-ESV-R1 <<>> www.debian.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31857
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.debian.org. IN A

;; ANSWER SECTION:
www.debian.org. 300 IN A 194.109.137.218
www.debian.org. 300 IN A 213.129.232.18
www.debian.org. 300 IN A 141.76.2.5

;; Query time: 94 msec
;; SERVER: 80.58.0.33#53(80.58.0.33)
;; WHEN: Sat Aug 7 15:51:08 2010
;; MSG SIZE rcvd: 80

Oops, something is wrong here. We are getting different output for the
same host >:-?

> ~$ traceroute www.debian.org
> traceroute to www.debian.org (61.5.210.7), 30 hops max, 40 byte packets

(deleted for security reasons)

> 5 vlan307.52gdc76ue3.optus.net.au (61.88.151.197) 40.766 ms 42.633 ms
> 45.038 ms
> 6 ConnectCom.un2.optus.net.au (61.88.171.206) 46.959 ms 38.443 ms
> 40.338 ms
> 7 te2-4.sglebdist02.aapt.net.au (202.10.14.8) 41.939 ms 29.262 ms
> 29.657 ms
> 8 te0-3-1-0.sclarcore01.aapt.net.au (202.10.12.9) 30.632 ms 31.505 ms
> 34.477 ms
> 9 te2-2.sclardist01.aapt.net.au (202.10.12.2) 33.605 ms 34.852 ms
> 35.901 ms
> 10 te2-1.sclarbrdr01.aapt.net.au (202.10.14.3) 38.703 ms 38.944 ms
> 42.448 ms
> 11 off146373-3.gw.connect.com.au (210.8.40.217) 66.406 ms 66.433 ms
> 69.776 ms
> 12 * 202.87.139.122 (202.87.139.122) 72.020 ms *
> 13 * * *
> 14 * * *
> 15 * * *
> 16 * * *
> 17 * * *
> 18 * * *
> 19 * * *
> 20 * * *
> 21 * * *
> 22 * * *
> 23 * * *
> 24 * * *
> 25 * * *
> 26 * * *
> 27 * * *
> 28 * * *
> 29 * * *
> 30 * * *

Let's carefully examine this.

First, www.debian.org has the following addresses:

sm01(a)stt008:~$ host -t a www.debian.org
www.debian.org has address 194.109.137.218
www.debian.org has address 213.129.232.18
www.debian.org has address 141.76.2.5

So... *how* and *from where* are you getting "61.5.210.7"? I can be
wrong, but that IP does not look to be a Debian host, but a download
mirror:

sm01(a)stt008:~$ host 61.5.210.7
7.210.5.61.in-addr.arpa domain name pointer depot.nautile.nc.

Compare with my traceroute:

***
traceroute to www.debian.org (194.109.137.218), 30 hops max, 40 byte packets

(deleted)

3 66.Red-80-58-121.staticIP.rima-tde.net (80.58.121.66) 57.263 ms 60.151 ms 62.426 ms
4 So6-0-0-0-grtmadde2.red.telefonica.wholesale.net (84.16.8.117) 65.942 ms 68.614 ms 71.091 ms
5 So4-3-0-0-grtlontl3.red.telefonica-wholesale.net (84.16.12.122) 104.215 ms 106.674 ms So3-3-0-0-grtlontl3.red.telefonica-wholesale.net (213.140.37.10) 112.475 ms
6 kpn-2-0-0-0-grtlontl3.red.telefonica-wholesale.net (213.140.52.94) 108.945 ms 74.945 ms 78.852 ms
7 rt2-rou-1022.NL.eurorings.net (134.222.229.221) 93.448 ms 81.102 ms 84.805 ms
8 asd2-rou-1002.NL.eurorings.net (134.222.224.26) 92.996 ms 95.460 ms asd2-rou-1002.NL.eurorings.net (134.222.231.202) 98.571 ms
9 134.222.97.18 (134.222.97.18) 97.933 ms 104.547 ms 107.027 ms 10 0.ae2.xr4.d12.xs4all.net (194.109.5.82) 117.163 ms 119.664 ms 125.019 ms
11 te5-4.swcolo2.3d12.xs4all.net (194.109.12.34) 124.587 ms 123.760 ms 92.656 ms
12 klecker.debian.org (194.109.137.218) 93.501 ms 92.250 ms 87.534 ms
***

Which looks more normal.

> Still unable to use web browser to go to www.debian.org without proxy

Yes, because you are being redirected to an "unknow"? host :-?

A quick try: use openDNS dns servers instead your router's ones.

Greetings,

--
Camaleón


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