web application security

[mahendra_yn () yahoo com]

Hi all,
I need to harden a web application which is hosted in a datacentre.I need to monitor the webapplication 24/7.I also 
need to ensure that there would be no phising attacks on this website,I know there are a couple of 3rd party web 
application firewalls available which can do all this,but the question is will the datacentre allow me to do this-as a 
3rd party service provider?if it doesnt allow then what are the other best options available for me.
Thanks!

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