can not connect to www.freebsd.org or IP addr 8.8.178.110 port 80
Eduardo Lemos de Sa
eduardo.lemosdesa at gmail.com
Mon Aug 1 19:30:48 UTC 2016
Dear Matthias
On Mon, Aug 1, 2016 at 3:41 PM, Matthias Apitz <guru at unixarea.de> wrote:
>
> Hello,
>
> I have some FreeBSD CURRENT netbooks and one Ubuntu in my WLAN, the WAN
> IP addr is 88.217.112.246 (as shown by http://myip.nl/ )
>
> none of the WLAN workstations can reach www.freebsd.org at port 80;
> the command
>
> telnet www.freebsd.org 80
>
> shows resolving to the IP addr 8.8.178.110, but does not connect; a
> tcpdump shows only SYN pkg going out to 8.8.178.110 but no SYN answer
> is coming in. This is as far as I can see the only side which is not
> reachable, all other port 80, 443 and SSH 22 to anywhere is just fine;
>
> Any ideas what could be wrong? I'm afraid, when I contact my ISP (a
> German local telephone provider) they will ask me if I have the latest
> Win7 patch installed ... :-)
>
> matthias
> --
> Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/ ☎
> +49-176-38902045
> "Wer übersieht, dass wir uns den anderen weggenommen haben und sie uns
> wiederhaben wollen,
> kann von den Kämpfen der letzten Tage keinen verstehen. Und kann natürlich
> auch keinen
> dieser Kämpfe bestehen." Hermann Kant in jW 1.10.1989
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I had the same problem last week, despite for all friends in Brazil was
everything ok. Some conclusions:
1) yes, the IP address is 8.8.178.110 (so, your DNS is ok)
2) Try http://isup.me/www.freebsd.org , so that you can check if the site
is working, or
3) http://www.isptools.com.br/caiu#www.freebsd.org , so that you can test
from which places are able to connect
Of course, the last one is on Brazil, but it is a test to be done
I didn't was able to solve the problem by myself. Someone, on my network (I
was on job) heard my complains and fixed it. My conclusion was that is was
caused by some bad configured firewall (ping was working, but not http).
Cheers
Eduardo
--
Eduardo Lemos de Sa
Associated Professor Level 4
Dep. Quimica da Universidade Federal do Paraná
fone: +55(41)3361-3300
fax: +55(41)3361-3186
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