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tq-022-test-helper-L7-checks-for-possibly-censored-IPs.md

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tq-022 Test-helper L7 checks for possibly-censored IPs

If probe gets a set of IPs for the origin servers that it can’t connect to, the test-helper should do a L5/L7-check for these IPs if they serve content for the domain. The HTTP protocol can do a GET request and fetch the page title / hashsum / simhash, TLS can issue a ClientHello, fetch the Server Certificate and validate it.