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Intermittent connection issues loading/changing site- secure connection failed/site can't be reached

EDIflyer
Involved

Is anyone else occasionally getting a 'connection down' error from Chrome (or 'Secure Connection Failed' from Firefox) when changing page - if I hit refresh it works fine. At first I wondered if it was the site I was using but have noticed it on multiple different major websites over the past couple of months and not noticed it from other locations where I don't use Three Broadband so does seem to be related to the router/connection (this is via wired Ethernet too, so not a WiFi problem).  I've tried changing DNS server in case that helps but no difference.

It mainly seems to happen when trying to first load a site or (annoyingly) at checkout when a different site is being loaded as part of the checkout process.  It certainly doesn't happen everytime but does happen with reasonable frequency.  I've also noticed I often get it when trying to pull/push from/to Github too and have to do so a number of times for it to work (browsing the Github website works fine).

 
I'm using a NR5103E with Firmware Version V1.00(ACBJ.0)b14 - I tried rebooting it but to no effect.

EDIflyer_0-1697984212494.pngEDIflyer_1-1697984219294.png

 
 

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479 REPLIES 479
AlSeek
Active

Thank you for you time on sessions with Three and your updates on what is happening, you do us all a great service!

Nameless
Involved

Just a quick check-in on the state of things

Have there been any changes for you all? From my end, some things are a touch more unstable than before when not using WARP

 

bytespider
Involved

Similar. A few docker images and Home Assistant wouldn't up date, after a speed test on a different device and a third attempt they magically started working.

munk
Active

No change here either, still seeing the same random pages failing to load.  Also noted that in Xbox when I try and start Diablo IV I can never connect to the battle.net servers on the very first attempt - it fails almost all the time (I think I've seen it load on the first go maybe twice in 50 attempts) - but always connects without fail on the second attempt.  I wouldn't be surprised if this was something to do with the issue here.

I remember seeing the issue rear it's head when I tried to login to the battle.net site in a desktop browser as well (and as I speak I tried it just this minute (loading battle.net) and I've got the usual PR_END_OF_FILE_ERROR error).

BrAinZ
Regular

I found this thread since I'm having problems connecting to an FTP Server using TLS. It just won't work 😞

I then hit a problem trying to use an API call, which again just refuses to work from within my network. Doing various tests it looks like SSL/TLS is being blocked which I think is a related issue, similar to my FTP TLS this morning.

I do love the cost and speed of my Three 5G Hub, but some of these issues might just push me back to a connected line internet service 😞

I have also had connection issues to various sites I use, which have been happening since I started the 5G service. These include Screwfix.co.uk, https://www.hl.co.uk/ and Santander.

How close are we (well Three actually) really to actually resolving these issues?

Nameless
Involved

So far the only ways to get around these issues are to use a VPN or Cloudflare's WARP - Your websites do work for myself when using WARP

As for how close are Three to fixing these issues, we have no idea - The Three or so members of the support team have not kept us updated here although there has been some tracing session progress going on lately

 

JonathanB
Community Moderator
Community Moderator

Hi everyone,

As @toaster mentioned, we've ran a couple of live tracing sessions to get data over to the engineers investigating this. We're hoping to gather some more live data on Monday 15th. Is anyone able to help with this please?

Ideally you'd need to be free for an hour some point between 1000-1700, and we'll gather info on your line whilst you trigger the errors. Please reply or PM me your available times if you'd like to take part.

Thanks,
Jonathan



Mod tip! The author of a post can hit 'Accept as Solution', to highlight a reply that helped solved their query.


Nameless
Involved

I missed all of this because I was away 😔

If you still need someone to visit many random websites then I can help with that

It is great to hear something more official after a long time

 

AkiTaiyo
Active

@JonathanB 
If its any use, I have a small web (streamlit) app making use of an old Raspberry PI.  This would allow your network engineers attempt to trigger the SSL errors when they wanted, without needing anyone else 'on the line'..  PM/reply if you think this would be useful and I can provide access information.
On a button press it runs though a list of pre-defined URLs and reports if any errors occur.

AkiTaiyo_0-1721328943985.pngAkiTaiyo_1-1721328967040.png

This is running from my own Three connection.  Currently, I don't think I'm getting as many errors as other users though.

Nameless
Involved

Just another weekly check-in to see how things are for you all

I have not noticed any major changes