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XF 1.5 Post Error?

Discussion in 'Troubleshooting and Problems' started by Demon_skeith, Jul 28, 2016.

  1. Demon_skeith

    Demon_skeith Member

    I was making some posts on my forum in the same area as I normally do when I got this on a newly created topic made by another staff member:


    Never ran into it, not sure why I would.
  2. Jake Bunce

    Jake Bunce XenForo Moderator Staff Member

    "not implemented" is http 501. That is something from the web server itself, not XenForo.

    Does this happen on all posts? Is the error consistent within that one thread?

    Basically you need to contact your web host about this. Ideally the server logs will contain more information about the error.
  3. Demon_skeith

    Demon_skeith Member

    It's the only post doing it as far as I can tell. Looking over the logs via Xenforo and through the cpanel there is no errors.
  4. Biker

    Biker Well-Known Member

    Check your mod_security logs as well.
  5. Jake Bunce

    Jake Bunce XenForo Moderator Staff Member

    That sounds suspiciously like a mod_security rule that is sensitive to a keyword in the referrer. For example, it might be sensitive to "ps" in the URL because that is a common linux command.
  6. Demon_skeith

    Demon_skeith Member

    Yep, it was PS in the url. For future reference for other's info, here is what my hosting said:

    My host white listed the ps command which fixed the post issue.

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