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Cyberghost vpn not working for my ip


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#1 im abcd

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Posted 28 September 2011 - 10:11 AM

Um,so i cant use cyberghost vpn .When i open it an error comes "couldn't connect to the internet .Please check your firewall settings" nor does the cyberghost site loads up .

But if i try to open the site with a proxy then it opens .

So what could be the problem ?

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#2 Didier Stevens

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Posted 28 September 2011 - 03:05 PM

What error do you get from your browser when you fail top open the cyberghostvpn site?

And what proxy are you using?

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#3 im abcd

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Posted 29 September 2011 - 12:59 PM

What error do you get from your browser when you fail top open the cyberghostvpn site?

And what proxy are you using?

Um,i tried with various public proxies and it worked .

As far as the error is concerned the site doesn't load at all
It shows

Oops! Google Chrome could not find cyberghostvpn.com
Try reloading: cyberghostvpn.­com
Additional suggestions:
Access a cached copy of cyberghostvpn.­com
Search on Google:

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#4 Didier Stevens

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Posted 29 September 2011 - 01:09 PM

OK, we'll check the route to cyberghostvpn.

Open a command line (cmd.exe) and type "ping cyberghostvpn.com".

Do you get 4 replies? If not, try the following: "tracert cyberghostvpn.com".
What is the last reply you get?

Watch out when you post results from tracert, because this will include details of your internal network and your provider's network, and you may not which to make all this info public.

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#5 im abcd

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Posted 29 September 2011 - 02:38 PM

"Ping request could not find host cyberghostvpn.com. Please check the name and try again " is the reply i get when i try to ping and for tracert i get "unable to resolve target system name cyberghostvpn.com"

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#6 Didier Stevens

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Posted 29 September 2011 - 02:51 PM

OK, this means your DNS is not resolving cyberghostvpn.com to an IP address. This is one simple way your IPS can block access to a site, but there can be other reasons.

Try the following command: nslookup cyberghostvpn.com

If you get a message saying something like non-existent domain, try interrogating the public Google DNS server: nslookup cyberghostvpn.com 8.8.8.8

Didier Stevens
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#7 im abcd

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Posted 30 September 2011 - 02:10 PM

When i tried nslookup
*** Can't find server name for address 192.168.1.1: Server failed
*** Default servers are not available
Server:  UnKnown
Address:  192.168.1.1

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to UnKnown timed-out

C:\Documents and Settings\admin> nslookup cyberghostvpn.com 8.8.8.8
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
Name:    cyberghostvpn.com
Address:  84.19.169.230

and with google dns server
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
Name:    cyberghostvpn.com
Address:  84.19.169.230

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#8 Didier Stevens

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Posted 30 September 2011 - 02:23 PM

And what do you get when you lookup a domain you can access, like Google.com: nslookup google.com ?

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#9 im abcd

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Posted 30 September 2011 - 02:28 PM

Um, this

*** Can't find server name for address 192.168.1.1: Server failed
*** Default servers are not available
Server:  UnKnown
Address:  192.168.1.1

Non-authoritative answer:
Name:    google.co.in
Addresses:  74.125.236.49, 74.125.236.50, 74.125.236.51, 74.125.236.52
          74.125.236.48

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#10 Didier Stevens

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Posted 30 September 2011 - 02:36 PM

OK, so your DNS server gives you addresses for google.com, but not for cyberghostvpn.com.

I see that your DNS server is 192.168.1.1, so that's most likely your router, which in turn queries the DNS server of your IPS. Your router connects to your IPS, right? Via ADSL, cable, ...

Do you have a particular reason to use the DNS of your provider? Otherwise you can just use Google's DNS servers, or OpenDNS servers ...
Do you know how to change your DNS server for your network connection?

Didier Stevens
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SANS ISC Handler
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If you send me messages, per Bleeping Computer's Forum policy, I will not engage in a conversation, but try to answer your question in the relevant forum post. If you don't want this, don't send me messages.

 

Stevens' law: "As an online security discussion grows longer, the probability of a reference to BadUSB approaches 1.0"


#11 Didier Stevens

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Posted 30 September 2011 - 02:44 PM

Another option is to use the IP address of cyberghostvpn.com directly. Can you configure the IP address in your VPN client in stead of cyberghostvpn.com?

Didier Stevens
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http://DidierStevensLabs.com

SANS ISC Handler
Microsoft MVP 2011-2016 Consumer Security, Windows Insider MVP 2016-2018
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If you send me messages, per Bleeping Computer's Forum policy, I will not engage in a conversation, but try to answer your question in the relevant forum post. If you don't want this, don't send me messages.

 

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#12 im abcd

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Posted 01 October 2011 - 12:12 PM

Never thought of switching to google dns .Thanks! Now its working fine :)

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#13 Didier Stevens

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Posted 02 October 2011 - 08:19 AM

You're welcome!

Didier Stevens
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If you send me messages, per Bleeping Computer's Forum policy, I will not engage in a conversation, but try to answer your question in the relevant forum post. If you don't want this, don't send me messages.

 

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#14 cryptodan

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Posted 14 November 2011 - 10:59 PM

This very well could be a firewalling issue with the ISP to block users from using VPN Software or other means to by pass security setup by the ISP and that is why Google DNS works. Please contact your ISP and ask them if they block VPN type applications?

#15 worldapart

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Posted 11 October 2014 - 04:19 AM

hi, i also have the same problem and would like to know where i can change the ip address for cyberghost ? 

 

my client does not open as it is already blocked






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