[CentOS] no access to certain WEB sites using CentOS 6.5

Sat Dec 20 21:03:14 UTC 2014
Igor Furlan <igor.furlan at gmail.com>

On Sat, Dec 20, 2014 at 6:28 AM, Jonathan Billings <billings at negate.org> wrote:
> I suggest keeping your system up to date before trying to track down
> whatever problems you're having.

I was able to remove firefox from the equation and reproduce the
problem using curl

NON working URL

[igor at localhost ~]$ ping www.iquaid.org
PING www.iquaid.org (208.97.177.112) 56(84) bytes of data.
64 bytes from apache2-ogle.welchs.dreamhost.com (208.97.177.112):
icmp_seq=1 ttl=40 time=44.4 ms
64 bytes from apache2-ogle.welchs.dreamhost.com (208.97.177.112):
icmp_seq=2 ttl=40 time=44.9 ms
64 bytes from apache2-ogle.welchs.dreamhost.com (208.97.177.112):
icmp_seq=3 ttl=40 time=44.9 ms
^C
--- www.iquaid.org ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2835ms
rtt min/avg/max/mdev = 44.475/44.791/44.976/0.332 ms

[igor at localhost ~]$ curl -I www.iquaid.org
curl: (6) Couldn't resolve host 'www.iquaid.org'

working URL

[igor at localhost ~]$ ping www.google.com
PING www.google.com (74.125.137.99) 56(84) bytes of data.
64 bytes from yh-in-f99.1e100.net (74.125.137.99): icmp_seq=1 ttl=40
time=24.0 ms
64 bytes from yh-in-f99.1e100.net (74.125.137.99): icmp_seq=2 ttl=40
time=24.4 ms
64 bytes from yh-in-f99.1e100.net (74.125.137.99): icmp_seq=3 ttl=40
time=24.1 ms
C64 bytes from yh-in-f99.1e100.net (74.125.137.99): icmp_seq=4 ttl=40
time=24.8 ms
^C
--- www.google.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2283ms
rtt min/avg/max/mdev = 23.797/23.977/24.169/0.234 ms

[igor at localhost ~]$ curl -I www.google.com
HTTP/1.1 200 OK
Date: Sat, 20 Dec 2014 18:28:27 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=ISO-8859-1
Set-Cookie: PREF=ID=1bbec9638e094178:FF=0:TM=1419100107:LM=1419100107:S=gM_va5X8lh-0JQCB;
expires=Mon, 19-Dec-2016 18:28:27 GMT; path=/; domain=.google.com
Set-Cookie: NID=67=OCZyJIsZHlH417BzoIBG9H6qeb4G01ilsm_kzaIRa8rwQzd7w208O7j2cIvzchxEOSN9akek3qkO81kuVlnKzkXhzg85S
eahbfbOkZUCZ8zB-iup8TOzG2dEkWIIjwi_;
expires=Sun, 21-Jun-2015 18:28:27 GMT; path=/; domain=.google.com; HttpOnly
P3P: CP="This is not a P3P policy! See
http://www.google.com/support/accoun...&answer=151657 for more info."
Server: gws
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Alternate-Protocol: 80:quic,p=0.02
Transfer-Encoding: chunked

nslookup and traceroute output

[igor at localhost ~]$ nslookup www.google.com
Server: 192.168.1.254
Address: 192.168.1.254#53

Non-authoritative answer:
Name: www.google.com
Address: 173.194.37.49
Name: www.google.com
Address: 173.194.37.52
Name: www.google.com
Address: 173.194.37.50
Name: www.google.com
Address: 173.194.37.51
Name: www.google.com
Address: 173.194.37.48

[igor at localhost ~]$ nslookup www.iquaid.org
Server: 192.168.1.254
Address: 192.168.1.254#53

Non-authoritative answer:
Name: www.iquaid.org
Address: 208.97.177.112

[igor at localhost ~]$ traceroute www.google.com
traceroute to www.google.com (74.125.196.106), 30 hops max, 60 byte packets
1 192.168.1.254 (192.168.1.254) 0.290 ms 0.311 ms 0.387 ms
2 adsl-98-70-114-1.tys.bellsouth.net (98.70.114.1) 7.702 ms 10.346 ms 12.766 ms
3 70.159.238.70 (70.159.238.70) 26.058 ms 28.418 ms 30.813 ms
4 70.159.238.69 (70.159.238.69) 31.993 ms 34.428 ms 37.330 ms
5 70.159.238.73 (70.159.238.73) 40.007 ms 42.435 ms 44.889 ms
6 70.159.238.85 (70.159.238.85) 46.044 ms 16.465 ms 18.511 ms
7 12.81.60.58 (12.81.60.58) 19.950 ms 14.904 ms 17.235 ms
8 12.81.60.70 (12.81.60.70) 22.624 ms 23.585 ms 27.477 ms
<snip> <snip> <snip>
20 209.85.243.254 (209.85.243.254) 44.328 ms 23.293 ms
209.85.248.31(209.85.248.31) 23.022 ms
21 * * *
22 yk-in-f106.1e100.net (74.125.196.106) 32.666 ms 34.817 ms 37.496 ms

[igor at localhost ~]$ traceroute www.iquaid.org
www.iquaid.org: No address associated with hostname
Cannot handle "host" cmdline arg `www.iquaid.org' on position 1 (argc 1)


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