Apache with mod_security-dev No protocol handler was valid for the URL

  • Hi,

    I have a problem with Apache with mod_security-dev. I get the following error in the Http error logs:
    [pid 32258:tid 34565337088] [client CLIENTIP:41490] AH01144: No protocol handler was valid for the URL /ajax/stayalive.php. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule., referer: http://URL/

  • Had the same issue and this worked for me:

    Make sure the Backend Path path contains a slash and isnt empty in the Location(s) tab.

    And in apache conf, it looks like the below in /usr/pbi/proxy_mod_security-amd64/local/etc/apache24/Includes/virtualhosts.conf.
    This didnt work:

    ProxyPass        balancer://mysite
      ProxyPassReverse balancer://mysite

    This did:

    ProxyPass        balancer://mysite/
      ProxyPassReverse balancer://mysite/

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