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Can;'t access certain web sites.

 
 
Rock
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      10-17-2005, 09:38 PM
Hi this is a strange one.

I have an XP computer (I do also use Linux) going through a Netgear
WGT624 Gateway/router to a LAN hub and our other computers.

Also attached to that Gateway/router is an Optus cable modem to the net.

Our web IP number is DHCP from Optus.

I have had no problems getting to the web until 2 days ago.

Whilst all computers on the LAN can access 99.99% of the web, there are
some sites that we cannot get to. They all sit on the same Linux server
at an ISP data building and they all have the same IP number there.

The ISP says they have no blocks on our computer or gateway IP and that
they have flushed their firewall in case. They say it must be my
firewall or other problem.

Optus cable also say they have no blocks and can get to those sites from
their end so it must be in my set up.

I have turned off the modem, gateway and computer in that order then on
again, yet I still have the same DHCP served IP number and still the
same problem.

The only thing I can think of that happened around the time of it
falling over, is I received a new DHCP number. Seemingly from then on I
have this problem, altho' this is only guessing.

Is there any help please?

Thanks

Rock
 
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Allodoxaphobia
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      10-18-2005, 02:11 AM
On Tue, 18 Oct 2005 07:38:28 +1000, Rock wrote:
>
> Whilst all computers on the LAN can access 99.99% of the web, there are
> some sites that we cannot get to. They all sit on the same Linux server
> at an ISP data building and they all have the same IP number there.


Does `wget -Sv http://${URL}` offer any clues?
Or, `lynx -error_file=${FILE} http://${URL}` -- any clues here?

Jonesy
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Marvin L Jones | jonz | W3DHJ | linux
Pueblo, Colorado | @ config.com | Jonesy | OS/2
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David Schwartz
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      10-18-2005, 02:53 AM

"Rock" <(E-Mail Removed)> wrote in message
news:43541daf$0$20378$(E-Mail Removed) u...

> Whilst all computers on the LAN can access 99.99% of the web, there are
> some sites that we cannot get to. They all sit on the same Linux server at
> an ISP data building and they all have the same IP number there.
>
> The ISP says they have no blocks on our computer or gateway IP and that
> they have flushed their firewall in case. They say it must be my firewall
> or other problem.


Umm, troubleshoot? Does DNS work? What about 'traceroute'?

DS


 
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Andrei Ivanov
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      10-18-2005, 03:29 AM
Rock <(E-Mail Removed)> wrote:
> I have had no problems getting to the web until 2 days ago.
>
> Whilst all computers on the LAN can access 99.99% of the web, there are
> some sites that we cannot get to. They all sit on the same Linux server
> at an ISP data building and they all have the same IP number there.


Can you telnet to port 80, and then get some response to "HEAD / HTTP/1.0"
command (press Enter twice!)?

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andrei
 
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