Backend Fetch failed

[Rodney Bizzell]

Not sure what is causing this error any help would be appreciated

Error 503 Backend Fetch Failed

Here is a copy of default.vcl


# This is an example VCL file for Varnish.
#
# It does not do anything by default, delegating control to the
# builtin VCL. The builtin VCL is called when there is no explicit
# return statement.
#
# See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/
# and https://www.varnish-cache.org/trac/wiki/VCLExamples for more examples.

# Marker to tell the VCL compiler that this VCL has been adapted to the
# new 4.0 format.
vcl 4.0;

# Default backend definition. Set this to point to your content server.
import std;

backend drupal {
    .host = "drupal.miat.co";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "drupal.miat.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}


backend ncwrite {
    .host = "ncwrite.miat.co";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "ncwrite.miat.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}




backend measurementinc {
    .host = "www.measurementinc.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "www.measurementinc.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend pegwriting {
    .host = "www.pegwriting.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "www.pegwriting.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend pegwritingscholar {
    .host = "www.pegwritingscholar.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "www.pegwriitingscholar.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend utahcompose {
    .host = "www.utahcompose.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "www.utahcompose.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend wpponline {
    .host = "www.wpponline.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "www.wpponline.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend support {
    .host = "support.wpponline.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "support.wpponline.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend supportpw {
    .host = "support.pegwriting.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "support.pegwriting.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}



backend supportpws {
    .host = "support.pegwritingscholar.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "support.pegwritingscholar.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend supportncw {
    .host = "support.ncwrite.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "support.ncwrite.com";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }

}

backend supportutc {
    .host = "support.utahcompose.com";
    .port = "80";
    .connect_timeout = 6000s;
    .first_byte_timeout = 6000s;
    .between_bytes_timeout = 6000s;
    .probe = {
        .url = "support.utahcompose";
        .timeout = 60ms;
        .interval = 1s;
        .window = 10;
        .threshold = 8;
     }


}




sub vcl_recv {
    if (req.http.host == "drupal.miat.co"){
        set req.backend_hint = drupal;
    } else if (req.http.host == "ncwrite.miat.co"){
       set req.backend_hint = ncwrite;
    } else if (req.http.host == "www.measurementinc.com"){
       set req.backend_hint = measurementinc;
    } else if (req.http.host == "www.pegwriting.com"){
       set req.backend_hint = pegwriting;
    } else if (req.http.host == "pegwritingscholar.com"){
       set req.backend_hint = pegwritingscholar;
    } else if (req.http.host == "www.utahcompose.com"){
       set req.backend_hint = utahcompose;
    } else if (req.http.host == "www.wpponline.com"){
       set req.backend_hint = wpponline;
    } else if (req.http.host == "<^(?=.*?\bsupport\b)(?=.*?\bwpponline\b)(?=.*?\bcom\b).*$>"){
       set req.backend_hint = support;
    } else if (req.http.host == "<^(?=.*?\bsupport\b)(?=.*?\bpegwriting\b)(?=.*?\bcom\b).*$>"){
       set req.backend_hint = supportpw;
    } else if (req.http.host == "<^(?=.*?\bsupport\b)(?=.*?\bpegwritingscholar\b)(?=.*?\bcom\b).*$>"){
       set req.backend_hint = supportpws;
    } else if (req.http.host == "<^(?=.*?\bsupport\b)(?=.*?\bncwrite\b)(?=.*?\bcom\b).*$>"){
       set req.backend_hint = supportncw;
    } else if (req.http.host == "<^(?=.*?\bsupport\b)(?=.*?\butahcompose\b)(?=.*?\bcom\b).*$>"){
       set req.backend_hint = supportutc;
       return (hash);
    }
}


#sub vcl_pass {





sub vcl_backend_response {
  set beresp.grace = 6h;
  set beresp.ttl = 5m;
}









sub vcl_deliver {
    # Happens when we have all the pieces we need, and are about to send the
    # response to the client.
    #
    # You can do accounting or modifying the final object here.
}



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