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Level 1: Joiner
Posts: 2
Registered: ‎02-11-2018
Accepted Solution

Website not accessible on 02 network

Hi,

 

Our website www.doccotton.com can not connect with 02 servers. It works via a VPN, on every other mobile network and via wifi but something from 02 stops the connection - it doesnt appear to be the adult filter but may be a DNS issue. Please could you investigate. 

 

Thanks,

 

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Level 17: Luminescent
Posts: 973
Registered: ‎22-04-2017

Re: Website not accessible on 02 network

Yep a problem I just tried on o2 4g didn't work either it could be a site certificate that could be a probpem
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Level 1: Joiner
Posts: 1
Registered: ‎02-11-2018

Re: Website not accessible on 02 network

It's Let's Encrypt valid TLS (SSL) certificate. If that was the case half of internet wouldn't work.

DNS entries are fine, couldn't find any technical issues.

 

Must be some kind of filters/problems O2 has.

Or perhaps they launching similar business and decided to silence the competition cool

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Level 13: Prompter
Posts: 936
Registered: ‎22-01-2014

Re: Website not accessible on 02 network

I'm no expert but on a trace route, when on O2 its getting know where near your server to be a cert issue. I had a similar problem earlier in the year with EE which turned out to be a DNS issue with their servers. One to raise with O2 I'm afraid but it could take time.

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Level 1: Joiner
Posts: 2
Registered: ‎02-11-2018

Re: Website not accessible on 02 network

Thanks for the help, much appreciated.  Any idea on a who to contact at 02? Hard to find contact details for a technical issue like this.

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Posts: 79,558
Topics: 708
Registered: ‎14-01-2013

Re: Website not accessible on 02 network

@DocCotton

If you ring customer services you then need to ask to speak to someone from the IT section

https://www.o2.co.uk/contactus

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