RE: Our server keeps getting blocked

Richard Ford <[email protected]> Tue, 22 Feb 2005 17:48:21 +0800
Newsgroups gmane.org.user-groups.linux.beijing.tech
Organization Creditude
Message-ID <1109065702.5064.8.camel__43798.2158655815$1109065523$gmane$org@peach>
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Best advice.

Do business in China, host in China.

RF.




On Mon, 2005-02-21 at 20:16 +0800, Frederic Muller wrote:

> I have had the same problem with China Telecom (in Guangdong area though)
> and complained very hard to them. They could not explain the source of the
> problem (we changed host and the next day the new host was blocked), even
> installed a PC in our DMZ to check the connection (it once lasted for 4-5
> days... hard to handle business that way) and for now the problem is gone..
> until it comes back.
> 
> So you're not alone.
> 
> Fred
> 
> -----Original Message-----
> From: blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org
> [mailto:blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org] On Behalf Of Ben Gunn
> Sent: Monday 21 February, 2005 13:53
> To: 'Beijing LUG technical questions and assistance - Publicly posted'
> Subject: [blug-tech] Our server keeps getting blocked
> 
> 
> Hi All,
> 
> I am hoping one of you might be able to provide some insight into a problem
> we are having with our server.  Our company uses a server which is hosted by
> lunarpages.com in the US.  Over the last several weeks we have been having
> an unending stream of connection problems.  Access to our website and mail
> server keeps coming up and going down (although it stays down more than it
> is up).  
> 
> I have been doing some research into the issue and this is what I have
> discovered:
> 1.  	The server name is resolving correctly so I don't believe it is a
> DNS issue.
> 2. 	If I go to our site via a proxy server located in a country other
> than China there is no problem.
> 3. 	If I go through an anonymous proxy within China I cannot get to the
> server.
> 4.	The problem is intermittent (sometimes there is no problem, then all
> of a sudden we cannot connect, then it will eventually work again)
> 
> Additional info:
> This problem was getting so severe that we recently changed hosts (now we
> are using lunarpages.com).  After the change the problem seemed to have been
> solved (with only the occasional connection problem), however, now it
> appears that the same problem is occurring.
> 
> I would love to hear any ideas as to what the issue may be.  If the host was
> being blocked, why would it only work part of the time?  Perhaps it is a
> problem with our office server, which functions as a router (IP
> masquerading).  However, in the past it has been working perfectly and the
> configuration has not been altered anytime recently.  Furthermore I can get
> to any other website just not ours. Frustration extreme!!!!!
> 
> Thanks in advance,
> 
> Ben
> 
> _______________________________________________
> blug-tech list
> [email protected]
> http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech
> 
> 
> _______________________________________________
> blug-tech list
> [email protected]
> http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech

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Best advice.<BR>
<BR>
Do business in China, host in China.<BR>
<BR>
RF.<BR>
<BR>
<BR>
<BR>
<BR>
On Mon, 2005-02-21 at 20:16 +0800, Frederic Muller wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">I have had the same problem with China Telecom (in Guangdong area though)</FONT>
<FONT COLOR="#000000">and complained very hard to them. They could not explain the source of the</FONT>
<FONT COLOR="#000000">problem (we changed host and the next day the new host was blocked), even</FONT>
<FONT COLOR="#000000">installed a PC in our DMZ to check the connection (it once lasted for 4-5</FONT>
<FONT COLOR="#000000">days... hard to handle business that way) and for now the problem is gone..</FONT>
<FONT COLOR="#000000">until it comes back.</FONT>

<FONT COLOR="#000000">So you're not alone.</FONT>

<FONT COLOR="#000000">Fred</FONT>

<FONT COLOR="#000000">-----Original Message-----</FONT>
<FONT COLOR="#000000">From: <A HREF="mailto:blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org">blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org</A></FONT>
<FONT COLOR="#000000">[mailto:<A HREF="mailto:blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org">blug-tech-bounces-+qp3TudyjKPvfBIPTTProkB+6BGkLq7r@public.gmane.org</A>] On Behalf Of Ben Gunn</FONT>
<FONT COLOR="#000000">Sent: Monday 21 February, 2005 13:53</FONT>
<FONT COLOR="#000000">To: 'Beijing LUG technical questions and assistance - Publicly posted'</FONT>
<FONT COLOR="#000000">Subject: [blug-tech] Our server keeps getting blocked</FONT>


<FONT COLOR="#000000">Hi All,</FONT>

<FONT COLOR="#000000">I am hoping one of you might be able to provide some insight into a problem</FONT>
<FONT COLOR="#000000">we are having with our server.  Our company uses a server which is hosted by</FONT>
<FONT COLOR="#000000">lunarpages.com in the US.  Over the last several weeks we have been having</FONT>
<FONT COLOR="#000000">an unending stream of connection problems.  Access to our website and mail</FONT>
<FONT COLOR="#000000">server keeps coming up and going down (although it stays down more than it</FONT>
<FONT COLOR="#000000">is up).  </FONT>

<FONT COLOR="#000000">I have been doing some research into the issue and this is what I have</FONT>
<FONT COLOR="#000000">discovered:</FONT>
<FONT COLOR="#000000">1.  	The server name is resolving correctly so I don't believe it is a</FONT>
<FONT COLOR="#000000">DNS issue.</FONT>
<FONT COLOR="#000000">2. 	If I go to our site via a proxy server located in a country other</FONT>
<FONT COLOR="#000000">than China there is no problem.</FONT>
<FONT COLOR="#000000">3. 	If I go through an anonymous proxy within China I cannot get to the</FONT>
<FONT COLOR="#000000">server.</FONT>
<FONT COLOR="#000000">4.	The problem is intermittent (sometimes there is no problem, then all</FONT>
<FONT COLOR="#000000">of a sudden we cannot connect, then it will eventually work again)</FONT>

<FONT COLOR="#000000">Additional info:</FONT>
<FONT COLOR="#000000">This problem was getting so severe that we recently changed hosts (now we</FONT>
<FONT COLOR="#000000">are using lunarpages.com).  After the change the problem seemed to have been</FONT>
<FONT COLOR="#000000">solved (with only the occasional connection problem), however, now it</FONT>
<FONT COLOR="#000000">appears that the same problem is occurring.</FONT>

<FONT COLOR="#000000">I would love to hear any ideas as to what the issue may be.  If the host was</FONT>
<FONT COLOR="#000000">being blocked, why would it only work part of the time?  Perhaps it is a</FONT>
<FONT COLOR="#000000">problem with our office server, which functions as a router (IP</FONT>
<FONT COLOR="#000000">masquerading).  However, in the past it has been working perfectly and the</FONT>
<FONT COLOR="#000000">configuration has not been altered anytime recently.  Furthermore I can get</FONT>
<FONT COLOR="#000000">to any other website just not ours. Frustration extreme!!!!!</FONT>

<FONT COLOR="#000000">Thanks in advance,</FONT>

<FONT COLOR="#000000">Ben</FONT>

<FONT COLOR="#000000">_______________________________________________</FONT>
<FONT COLOR="#000000">blug-tech list</FONT>
<FONT COLOR="#000000"><A HREF="mailto:[email protected]">[email protected]</A></FONT>
<FONT COLOR="#000000"><A HREF="http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech">http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech</A></FONT>


<FONT COLOR="#000000">_______________________________________________</FONT>
<FONT COLOR="#000000">blug-tech list</FONT>
<FONT COLOR="#000000"><A HREF="mailto:[email protected]">[email protected]</A></FONT>
<FONT COLOR="#000000"><A HREF="http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech">http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-tech</A></FONT>
</PRE>
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