Let’s Encrypt is awesome! This service allows you to automate the retrieval of as many valid TLS certificates as you wish, as long as you can “prove” that you own the domain. One of the first proofs that they offered was the http-01 challenge. This proof works by essentially sending your domain a random HTTP GET request string which your lets-encrypt client must receive and send back.
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gbolo

Security + DevOps Engineer

DevOps Engineer

Toronto