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CloudFlare issues on xenforo.com

Discussion in 'General XenForo Discussion and Feedback' started by Sadik B, Mar 4, 2016.

  1. Sadik B

    Sadik B Well-Known Member

    Hello guys, this is the 4th time I have seen this screen in last few days.

    Last edited: Mar 4, 2016
    Alfa1 likes this.
  2. Brogan

    Brogan XenForo Moderator Staff Member

    I also get it occasionally.

    It's related to CF.
  3. Solidus

    Solidus Well-Known Member

    Not happened once for me.
  4. Alfa1

    Alfa1 Well-Known Member

    When it happens it keeps happening. Firefox can crash on it.
  5. Amaury

    Amaury Well-Known Member

    No issues here.
  6. estranged

    estranged Well-Known Member

    I stopped using cloudflare because of this.
    maszd, optrex and Alfa1 like this.
  7. Mert

    Mert Well-Known Member

    Hey @Brogan
    This usually happens on Flexible or Full SSL configurations on Cloudflare. If you switch to Full Strict , this shouldn't happen any further.
  8. Brogan

    Brogan XenForo Moderator Staff Member

    Thanks @Mert, I'll let Mike know.
  9. Mouth

    Mouth Well-Known Member

    And happening again

    Screen Shot 2016-03-18 at 20.01.20.png
  10. Mouth

    Mouth Well-Known Member

    In the last week or so, my experience of xenforo.com has become extremely poor and my usage very troublesome.

    This ...
    Screen Shot 2016-03-22 at 08.07.11.png

    And this ....
    Screen Shot 2016-03-22 at 08.15.04.png
    .... appearing regularly.

    Hover over alerts, and instead of the list of alerts appearing, the cloudflare 'error' appears in the alerts model window.

    Type in a post/reply (like this) and auto-save will automatically redirect me to a cloudflare error page

    Load threads/resources, and after a 10 sec, or so, timeout period of waiting, I'll get the cloudflare error or cached version page.

    It's approximately 15% of my browsing time and page loads on xenforo.com at the moment, affected by these cloudflare issues.

    If xenforo.com cannot get cloudflare working properly, then its clearly not the right CDN (as is my experience with cloudflare) for an XF site. Or is xenforo.com server having real issues and cloudflare reporting these issue indeed correct?

    P.S. See my sig for a CDN that will not give these errors all the time :)
  11. Fred.

    Fred. Well-Known Member

    I also seen that at least 5 times during the last week. (Australia)
    D.O.A. likes this.
  12. Xon

    Xon Well-Known Member

    XenForo can work fine behind Cloudflare, the webserver might require a bit of tuning so the true IP is restored before any rate limiting is applied.
  13. vbresults

    vbresults Well-Known Member

    Thank goodness they now show an error message. Previously, when this error occurred, all you got was a blank page.
  14. Mike

    Mike XenForo Developer Staff Member

    It's worth noting the CloudFlare specifically listed issues with Sydney and Melbourne (with a fix rolled out today).

    We are monitoring this.
    Fred., eva2000 and D.O.A. like this.
  15. Mouth

    Mouth Well-Known Member

    If this is the issue, hasn't worked.
    Just now .....

    Screen Shot 2016-03-22 at 23.22.02.png

    Screen Shot 2016-03-22 at 23.21.43.png
  16. eva2000

    eva2000 Well-Known Member

  17. Brogan

    Brogan XenForo Moderator Staff Member

    FWIW, I haven't had any issues for weeks now.
  18. Amaury

    Amaury Well-Known Member

    I'm curious as to why it only affects some. I've never had issues at all and still don't.
    Bionic Rooster likes this.
  19. vbresults

    vbresults Well-Known Member

    This is an issue with their SSL termination servers in certain datacenters, as Mike alluded to. I experienced the same issue with their HK servers, meanwhile US servers worked fine. It has zero effect on non-SSL traffic, by the way.

    BTW @Mouth the 522 you referenced and the 525 mentioned by the OP are different issues.
  20. Brogan

    Brogan XenForo Moderator Staff Member

    They are different issues but I merged two separate threads as they both relate to CF and it's better to keep all of the feedback in one thread.

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