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BOUABRE_343008's avatar
BOUABRE_343008
Icon for Nimbostratus rankNimbostratus
Aug 28, 2018

Monitor problem

Hello I have a web application that has been inaccessible for some time. But when I change the monitor for an HTTP monitor (monitor by default), services are "OK". What can be the cause of this p...
application delivery
BIG-IP
devops
LTM
  • KevinA_246454's avatar
    KevinA_246454
    Aug 28, 2018

    Hi

     

    Is your web server allowing http 1.0 request ? based on the output it certainty does not look http 1.0 is allowed on the webserver . can you test the below

     

    curl --head --http1.0 and compare it against curl --head

     

Stanislas_Piro2's avatar
Stanislas_Piro2
Icon for Cumulonimbus rankCumulonimbus
Aug 30, 2018

Hi,

Can you change the monitor send string to 

HEAD /jboss/CSS_keepalive.txt HTTP/1.0\r\nConnection: Close\r\n\r\n

Can you try this command line

(echo -ne "HEAD /jboss/CSS_keepalive.txt HTTP/1.0\r\nConnection: Close\r\n\r\n"; cat) | nc 10.X.X.X 80