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Windows Forum / Windows XP / Networking and Web / November 2006

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Not able to access internet via Firefox or IE but have a network connection

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renton - 24 Nov 2006 15:53 GMT
I'm not able to access the internet using firefox or IE but i do have a
network connection as this is being typed via RDP and a VPN into my
work computer and I can ping the router and also external ip addresses.

Its not a problem with the router as another machine on the network is
working fine
I'm not even able to bring up the router web page on 192.168.1.1. The
only change I've made recently to the machine was to install a blue
tooth usb stick but it was working after it was installed.
This has me stumped at the moment so any help would be appreciated
cheers
renton - 24 Nov 2006 16:01 GMT
> I'm not able to access the internet using firefox or IE but i do have a
> network connection as this is being typed via RDP and a VPN into my
[quoted text clipped - 7 lines]
> This has me stumped at the moment so any help would be appreciated
> cheers

i've just tried another network card in the machine and that is showing
the same porblems
Chuck - 24 Nov 2006 17:37 GMT
>> I'm not able to access the internet using firefox or IE but i do have a
>> network connection as this is being typed via RDP and a VPN into my
[quoted text clipped - 10 lines]
>i've just tried another network card in the machine and that is showing
>the same porblems

Does the other computer on the network have a VPN into your work computer too?
If you have a VPN connection, and you can't get connectivity to the Internet,
I'd bet the first causes the last.  If the VPN itself isn't the problem, check
for a firewall that was bundled with the VPN.
<http://nitecruzr.blogspot.com/2005/05/your-personal-firewall-can-either-help.html>
http://nitecruzr.blogspot.com/2005/05/your-personal-firewall-can-either-help.html

Did the problem start when you installed the VPN?  Or how long have you been
seeing the problem?  And how long have you had the computer, in general?
<http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html>
http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html

Signature

Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from experience.
My        email         is          AT         DOT
  actual       address    pchuck       mvps        org.

renton - 24 Nov 2006 18:58 GMT
ie and firefox have been working fine for about 2 months since i first
put the pc together ( its the x64 version of xp) and the problem not
being able to access the web started this afternoon.
When I'm not connected to the vpn ( with the firewall disabled) i'm
able to ping both ip and domain names on the internet but not able to
get access via a web browser.
cheers for your help
Chuck - 24 Nov 2006 20:54 GMT
>ie and firefox have been working fine for about 2 months since i first
>put the pc together ( its the x64 version of xp) and the problem not
[quoted text clipped - 3 lines]
>get access via a web browser.
>cheers for your help

Did the problem just start after you used the VPN recently?  I bet talking to
whoever supports the VPN, at your work, would be a good place to start.  I'm
betting that they added some access policies, to keep the work network secure.

If you can't get any help there, try checking the LSP / Winsock for corruption.
If you do, though, make sure that you know ho to reload the VPN, as I can't
guarantee what the LSP tools will do to a VPN client.
<http://nitecruzr.blogspot.com/2005/05/problems-with-lsp-winsock-layer-in.html>
http://nitecruzr.blogspot.com/2005/05/problems-with-lsp-winsock-layer-in.html

Signature

Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from experience.
My        email         is          AT         DOT
  actual       address    pchuck       mvps        org.

Ian - 24 Nov 2006 23:40 GMT
This kind of symptom (typically can ping websites but not browse them) is
often due to LSP problems, as mentioned. A favourite culprit is Google
Desktop Search.
Chuck - 25 Nov 2006 01:17 GMT
>This kind of symptom (typically can ping websites but not browse them) is
>often due to LSP problems, as mentioned. A favourite culprit is Google
>Desktop Search.

The challenge here is to avoid borking the VPN, which is generally  work
required.

Signature

Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from experience.
My        email         is          AT         DOT
  actual       address    pchuck       mvps        org.

renton - 29 Nov 2006 14:45 GMT
resetting the winsock layer worked for me, thanks for your help!

cheers

> >ie and firefox have been working fine for about 2 months since i first
> >put the pc together ( its the x64 version of xp) and the problem not
[quoted text clipped - 21 lines]
> My        email         is          AT         DOT
>    actual       address    pchuck       mvps        org.
Chuck - 29 Nov 2006 18:15 GMT
Thanks for the feedback!

>resetting the winsock layer worked for me, thanks for your help!
>
[quoted text clipped - 25 lines]
>> My        email         is          AT         DOT
>>    actual       address    pchuck       mvps        org.

Signature

Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from experience.
My        email         is          AT         DOT
  actual       address    pchuck       mvps        org.

JeffS - 25 Nov 2006 23:48 GMT
Firewalls can also disable a program, not neccessarily an computer/ip address
etc.  Also check any other security programs you might have running.  Some
security programs like MicroTrend DO NOT disable thw Windows firewall but add
another firewalll on top of everything.  If this is the case, disable Windows
Firewall AND Security Center in services.

Jeff

> I'm not able to access the internet using firefox or IE but i do have a
> network connection as this is being typed via RDP and a VPN into my
[quoted text clipped - 7 lines]
> This has me stumped at the moment so any help would be appreciated
> cheers
 
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