https://nss.dnc.global/HTTP-monitoring-rules.html NSS allows to regularly send an HTTP request, waits for a response and interprets it by applying rules. If an error situation is detected, NSS generates an alert. The HTTP monitoring rules offered by NSS Lite allow you to not only verify that a website is functioning and has not been hijacked, but also to monitor the response of any HTTP device: DNS, Proxy, Web service etc. NSS Lite allows in particular to test a response in JSON format or the data-xxx values of HTML5. HTTP request NSS (...) en SPIP - www.spip.net