Strange internet problem.

spookywillow

spookywillow

spookywillow

Soldato
Joined
3 Mar 2006
Posts
3,233
Location
Atcham, Shropshire
At work the internet seems to work fine except for Barclays bank. We can access the site just fine on all the PC's but the login page is unreachable and times out.

It works perfectly on my phone using my mobile connection but as soon as I connect to the router and try again I have the same problem as the PC's.

I have cleared cookies, History and other associated data. I don't think it's the PC's all having the same issues and I suspect it's the router.

Any ideas what it could be?
 
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Changed mtu settings, put the pc in the dmz, tried all sorts but still cant get the login to work. Router just wont allow it or barclays wont allow the router.
 
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What DNS are you pointing to? Try google and see if it fixes it (8.8.8.8, 8.8.4.4)

Do you also have any form of smart filtering?
 
I'll give that a go tomorrow.

I'm not sure what we have tbh, All I know is everything was working fine then barclays updated their website and now it wont work. We were still getting the old website till we cleared cookies and history and we now get onto the new site.

I have spoken to our ISP and barclays and none of them have any idea why it wont connect.
 
Tried openDNS today and still nothing. It's getting beyond a joke now and I'm getting fed up of going to the office to try and fix it. Sooner it gets sorted the sooner I can get on with my own jobs :D
 
Tried FF, just the same as IE.
Router firmware upgraded and reset then.
Cabling/wifi makes no difference as theres 4 pc's, 2 laptops and mobiles connected and none connect to the login page at all going via the router.
Not much point resetting network settings unless theres some on the router.
 
The fault will be at Barclays end, they'll have some sort of reverse proxy / load balancing solution and your WAN IP will have been placed on a sticky / persistent session due to the SSL nature of the site and you'll be hitting a bad web server in a farm somewhere.

If your office has a dynamic wan ip - reboot your router.
 
ecksmen said:
The fault will be at Barclays end, they'll have some sort of reverse proxy / load balancing solution and your WAN IP will have been placed on a sticky / persistent session due to the SSL nature of the site and you'll be hitting a bad web server in a farm somewhere.

If your office has a dynamic wan ip - reboot your router.
Click to expand...

The router has been rebooted many times since it started happening. We're on ADSL if that makes any difference.
 
Some web sites actually use the IP address as a security measure, to make sure someone isn't hijacking the session they require the IP address to stay the same. Your load balancer, of course, isn't doing that and causing the problem.
Depends on your router of course?

It doesn't actually have anything to do with SSL, though I doubt you'd ever find a site doing this kind of security that DIDN'T have SSL.

So, you need to tell your router that whenever you're accessing the IP addresses associated with that bank to stay on one or the other ISP. Use NSLOOKUP, then type in the host FQDN (secure.thatbank.com) that the user uses to access that site. That'll give up all the IP addresses used for that DNS entry.

(FQDN) is the complete domain name for a specific computer, or host, on the Internet.
 
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