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I am new to this forum, and in doubt where to ask this question, so please guide me if this is not the place to ask.

Well, I got shocked today, I realised that the content of my /var/www/html folder were accesible from www on the domain olsenweb .dk - without java script enabled in my browser. I have installed AMP server on my desktop and use it from my desktop. Previously I have used it from another devise on my network, then I can not use localhost but have to reconfigure apace and change it to my IP address, e.g. 192.168.1.10. Anyway I was sure that I had to do something actively to publish the content to www.

I especially do not understand what is happening, I can not access it from another device if Apace is configuret to localhost, but I can access the content from a remote web page on www? Is it my router/firewall I should be concerned about? Unfortunately I know very little about network, firewalls and apache.

Edit: I can see now that my localhost content is shown in a frame:

    <frameset cols="100%">
    <frame name="gratisdns" frameborder="0" framespacing="0" framepadding="0" 
src="http://joltestserver.cloudapp.net">
    </frameset>

So it might not be accessible from www but only for me, could it be only 'localhost' that is changed to 'joltestserver.cloudapp.net' in my browser? olsenweb apparently is hosted on joltestserver.cloudapp.net

edit 2:

ping joltestserver.cloudapp.net

PING joltestserver.cloudapp.net (127.0.0.1) 56(84) bytes of data.

64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.017 ms ...

edit 3:

I have added a DNS tag - wondring if it could be a misconfigured DNS for joltestserver.cloudapp.net combined with a redirect from olsenweb?

  • 3
    I find your post quite hard to follow, but /var/www/html is the (default) place you put files to allow Apache to serve them. Perhaps that will help you to understand what's going on. – Mark Smith Oct 30 '16 at 22:53
  • I know. My question is how it can be shown to me on the URL joltestserver.cloudapp.net – prebre Oct 30 '16 at 23:11
  • Maybe you need to check your /etc/hosts file. – muru Oct 31 '16 at 1:14
  • @muru My hosts file points to my device: 127.0.0.1 localhost 127.0.1.1 mypc – prebre Oct 31 '16 at 7:54
  • What does dig joltestserver.cloudapp.net report? – muru Oct 31 '16 at 9:18
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At the time of writing, joltestserver.cloudapp.net resolves to 0.0.0.0:

DNS server handling your query: 8.8.8.8
DNS server's address:   8.8.8.8#53

Non-authoritative answer:
Name:   joltestserver.cloudapp.net
Address: 0.0.0.0

0.0.0.0 is a special address with a special meaning - and if you try to connect to it, Ubuntu treats it as 127.0.0.1 == localhost or "this machine".

(Why they'd want to have their DNS entry set to 0.0.0.0 I don't know.)

  • Thank you. So I am more calm. At first sight I thought that my pc was accessible from the web. I do not fully understand your answer, but it seems to mean that I was right to suspecting the DNS configuration for joltestserver.cloudapp.net (and maybe for olsenweb too) is incorrect, and causes my browser to show my own localhost. I have nothing to do with joltestserver.cloudapp.net. – prebre Nov 1 '16 at 11:50
  • I've edited my answer now that I understand better what you're asking. Hope that helps. – Mark Smith Nov 2 '16 at 11:33
  • Sorry, I did not see your last comment until now. I do not fully understand everything, it requires more preknowledge than I have, but I do understand that I don not have to worry :-) – prebre Jan 6 '17 at 12:10

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