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Standard User Memski
(member) Sun 01-Jul-12 14:53:51
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Revisiting an old problem


[link to this post]
 
Some time ago I posted about a problem that we were never able to resolve. That is, when I visit a certain website (fantasyfootballscout.co.uk) from my desktop, the site never loads. It does not load in any browser I have tried (Firefox, Chrome, IE). If I run a tracert to the site, it shows no problems at all. If I connect my laptop to my router, it loads. If I connect my phone to my router, it loads. Disabling my firewall/virus software does not make the site load. Now the same issue has happened with facebook.com. Every other site apart from those two continue to work as they did before. I had some contact with the admins at fantasyfootballscout.co.uk and they confirmed there was no block in place. Nothing is blocked in my hosts file. ESET finds no viruses on my desktop.

It's completely baffling to me - looking at it from a logical viewpoint it seems like the only thing that is different is the NIC card on my desktop, but why would that be blocked? My IP is the same across all the devices.

Any ideas?

Edited by Memski (Sun 01-Jul-12 14:55:07)

Standard User BatBoy
(legend) Sun 01-Jul-12 15:01:08
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Re: Revisiting an old problem


[re: Memski] [link to this post]
 
Try a different network card


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Standard User JonRennie
(knowledge is power) Sun 01-Jul-12 16:07:35
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Re: Revisiting an old problem


[re: Memski] [link to this post]
 
What's your MTU size set to?

wink Comms is hard wink


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Standard User Memski
(member) Sun 01-Jul-12 16:20:43
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Re: Revisiting an old problem


[re: BatBoy] [link to this post]
 
In reply to a post by BatBoy:
Try a different network card


Will try that, have ordered one.
Standard User Memski
(member) Sun 01-Jul-12 16:21:25
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Re: Revisiting an old problem


[re: JonRennie] [link to this post]
 
In reply to a post by JonRennie:
What's your MTU size set to?


No idea, how do I find out?
Standard User kev_445
(learned) Sun 01-Jul-12 16:38:25
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Re: Revisiting an old problem


[re: Memski] [link to this post]
 
Hi Memski, please could you tell me which operating system you are running?
Like the previous poster mentiones, it sounds like an MTU issue.
Standard User Memski
(member) Sun 01-Jul-12 17:14:16
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Re: Revisiting an old problem


[re: kev_445] [link to this post]
 
Windows 7.
Standard User kev_445
(learned) Sun 01-Jul-12 21:06:44
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Re: Revisiting an old problem


[re: Memski] [link to this post]
 
To confirm it is an MTU issue, please type the following into a command prompt:
ping -f -l 1472 fantasyfootballscout.co.uk
then press Enter.

If you receive a ping response back, it is unlikely to be an MTU issue.

If it says, " Packet needs to be fragmented but DF set.", it is likely an MTU issue.
Try reducing the 1472 by 10 each time until you receive a response back.

Let us know how you get on.
Standard User Memski
(member) Sun 01-Jul-12 21:40:02
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Re: Revisiting an old problem


[re: kev_445] [link to this post]
 
Ping returned no problem.
Standard User micksharpe
(eat-sleep-adslguide) Sun 01-Jul-12 22:16:38
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Re: Revisiting an old problem


[re: Memski] [link to this post]
 
Have you checked Windows firewall settings for any security associations?

"Hydrogen is a colourless, odourless gas which, given enough time, turns into people." - Edward R. Harrison
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