Cannot connect to one website

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maggie
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Cannot connect to one website

Post by maggie » Mon May 05, 2014 8:54 am

I've been trying to connect to one website (deeppoliticsforum.com) but have been unable to do so. Connection just hangs. I know there is nothing wrong with the site as I have spoken to other people and they can connect no problem. I also checked with the site http://isitup.org/ and checked with the sites web host and all is well their end so problem is my end. I did a DNS flush and still cannot access it. I've cleared all cookies and still no luck. I can connect to any other site except this one. What can I do to fix this?

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 11:42 am

It's certainly up - the site server responds correctly to the GET request.

The server also identifies itself as JFK Archive if you omit the Host field..

When you say it hangs, is it that your browser can't reach the IP? What operating system and browser are you using? Is the IP (93.95.225.209) blocked by a firewall?

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Mort
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Re: Cannot connect to one website

Post by Mort » Mon May 05, 2014 11:51 am

maggie wrote:I've been trying to connect to one website (deeppoliticsforum.com) but have been unable to do so.
It's probably for the best anyway.
As we know, there are known knowns. There are things we know we know. We also know there are known unknowns. That is to say we know there are some things we do not know. But there are also unknown unknowns, the ones we don't know we don't know.

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 11:56 am

I'm using Mozilla/Ice Weasel and Debian on this computer but I've used another computer Linux Mint and Mozilla Fire Fox. I also downloaded Chromium on the Debian and still can't get through.

I was able to access the site day before yesterday just fine. Shouldn't be blocked by firewall as far as I know. I've made no changes though have tried a few trying to get on to the site. Mostly adding and de-activating add ons in Mozilla. Tried a proxy as well and still couldn't access it.

Edit: Yes just hangs never connects properly.

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 12:03 pm

Try a connection without using a browser. What happens when you use curl?

Code: Select all

~$ curl -I  deeppoliticsforum.com
HTTP/1.1 200 OK
Date: Mon, 05 May 2014 01:59:58 GMT
Server: Apache/2.2.22 (Debian)
Last-Modified: Mon, 09 Sep 2013 12:43:08 GMT
ETag: "38542284-938-4e5f2bafc3b03"
Accept-Ranges: bytes
Content-Length: 2360
Vary: Accept-Encoding
Content-Type: text/html
This is to see if the problem lies somewhere other than the browser.

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 12:25 pm

That's not doing any thing when I put it in terminal. Could not connect to host.

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 12:34 pm

That lets browsers off the hook. If the DNS returned IP was bad, the reply would have been "Couldn't resolve host", so it's time to look for a firewall (in computer or router) , or a hosts file.

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 12:48 pm

Okay. So how does that happen? Not a Linux guru (or I wouldn't be here) so speak slowly and clearly for me please :)

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 1:09 pm

The proxy failure is odd. It's possible that something weird happens just to you en-route to the host. Try first:
traceroute 93.95.225.209
You should get there in 22 hops around the world. If it stops you have a problem.

More likely is a block at your end when you were changing things. Take a peek at the file /etc/hosts and see if the above site URL or IP shows up - it shouldn't. If you have hosts.allow and hosts.deny look there too. These files are used to filter and nanny the system.

I doubt if you have reconfigured the system firewall, but just in case, sudo iptables -L will show the rules. Look for your site there. I expect iptables to be default with no special rules there.

Definitely look at your router. Many of these have a site block provision.

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 1:18 pm

Just an aside - many Linux machines do not cache DNS, so you can't flush it. If a daemon is installed, these will flush it:
sudo /etc/init.d/nscd restart
sudo /etc/init.d/dnsmasq restart

If the daemons aren't there they will do nothing.

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 1:20 pm

traceroute to 93.95.225.209 (93.95.225.209), 30 hops max, 60 byte packets
1 home.gateway (192.168.1.254) 49.460 ms 49.449 ms 49.440 ms
2 * * *
3 220.8.96.58.static.exetel.com.au (58.96.8.220) 114.066 ms 116.210 ms 117.169 ms
4 193.6.96.58.static.exetel.com.au (58.96.6.193) 119.181 ms 121.048 ms 122.671 ms
5 134.6.96.58.static.exetel.com.au (58.96.6.134) 124.070 ms 125.430 ms 127.714 ms
6 203-174-185-145.syd.static-ipl.aapt.com.au (203.174.185.145) 143.610 ms 56.640 ms 58.030 ms
7 po41.sglebbrdr11.aapt.net.au (202.10.14.198) 48.328 ms 37.279 ms 36.481 ms
8 ix-0-1-1-551.tcore1.TV2-Tokyo.as6453.net (209.58.61.145) 240.748 ms 238.762 ms 236.891 ms
9 if-9-2.tcore2.PDI-Palo-Alto.as6453.net (180.87.180.17) 382.570 ms 382.207 ms 383.884 ms
10 if-2-2.tcore1.PDI-Palo-Alto.as6453.net (66.198.127.1) 379.810 ms 378.519 ms 380.154 ms
11 if-1-2.tcore1.NYY-New-York.as6453.net (66.198.127.6) 378.057 ms 381.454 ms 378.382 ms
12 if-11-2.tcore2.NYY-New-York.as6453.net (216.6.99.1) 380.103 ms 379.559 ms 381.853 ms
13 if-20-2.tcore2.L78-London.as6453.net (216.6.99.14) 382.682 ms 380.404 ms 377.233 ms
14 if-8-2.tcore2.AV2-Amsterdam.as6453.net (80.231.131.6) 394.047 ms 392.305 ms 385.878 ms
15 if-2-2.tcore1.AV2-Amsterdam.as6453.net (195.219.194.5) 379.662 ms 380.583 ms 380.327 ms
16 195.219.194.110 (195.219.194.110) 378.868 ms 390.466 ms 382.682 ms
17 be-2-ams.pe1.ver.kef.is.is1net.net (31.15.113.4) 403.759 ms 402.940 ms 400.698 ms
18 be-1-ver.pe1.mul.rek.is.is1net.net (31.15.113.0) 452.723 ms 436.776 ms 436.741 ms
19 simafe-gw.pe1.mul.rek.is.is1net.net (31.15.115.5) 436.714 ms 436.718 ms 434.059 ms
20 178.19.50.168 (178.19.50.168) 431.352 ms 429.816 ms 415.218 ms
21 178.19.50.169 (178.19.50.169) 401.536 ms 416.101 ms 416.104 ms
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 1:26 pm

Dazzled wrote:
I doubt if you have reconfigured the system firewall, but just in case, sudo iptables -L will show the rules. Look for your site there. I expect iptables to be default with no special rules there.
# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

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Dazzled
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Re: Cannot connect to one website

Post by Dazzled » Mon May 05, 2014 1:28 pm

You stopped one before your target. Since we know it isn't talking to curl, we can reasonably assume that the server has been configured to ignore you totally. It just doesn't like you. It probably doesn't like a range of Exetel addresses, presumably because of an attack or some spam from an Exetel IP address. It does talk to my IP address.

Send an email to residentialsupport@exetel.com.au to see if they can persuade the site to lift their blockade.

iptables is default, as I expected.

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 1:30 pm

I've tossed up reinstalling but since I tried 2 computers I don't think that will help/

maggie
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Re: Cannot connect to one website

Post by maggie » Mon May 05, 2014 1:32 pm

Dazzled wrote:You stopped one before your target. Since we know it isn't talking to curl, we can reasonably assume that the server has been configured to ignore you totally. It just doesn't like you. It probably doesn't like a range of Exetel addresses, presumably because of an attack or some spam from an Exetel IP address. It does talk to my IP address.

Send an email to residentialsupport@exetel.com.au to see if they can persuade the site to lift their blockade.

iptables is default, as I expected.
Thanks Dazzled I will contact them.

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